Anritsu VNA Master MS2024B Maintenance Manual

Other manuals for VNA Master MS2024B: Manual, User Manual
Manual is about: Vector Network Analyzer for Anritsu RF and Microwave Handheld Instruments

Summary of VNA Master MS2024B

  • Page 1

    Maintenance manual vna master™ model ms2024b, ms2025b, ms2034b, ms2035b compact handheld vector network analyzer with spectrum analyzer ms2024b vna, 500 khz to 4 ghz ms2025b vna, 500 khz to 6 ghz ms2034b vna, 500 khz to 4 ghz spa, 100 khz to 4 ghz ms2035b vna, 500 khz to 6 ghz spa, 100 khz to 6 ghz ...

  • Page 3: Safety Symbols

    Model ms20xxb mm pn: 10580-00303 rev. D safety-1 safety symbols to prevent the risk of personal injury or loss related to equipment malfunction, anritsu company uses the following symbols to indicate safety-related information. For your own safety, please read the information carefully before operat...

  • Page 4: For Safety

    Safety-2 pn: 10580-00303 rev. D model ms20xxb mm for safety warning always refer to the operation manual when working near locations at which the alert mark, shown on the left, is attached. If the operation, etc., is performed without heeding the advice in the operation manual, there is a risk of pe...

  • Page 5: Table of Contents

    Model ms20xxb mm pn: 10580-00303 rev. D contents-1 table of contents chapter 1—general information 1-2 product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 frequency ranges . . . . . . . . . . . . . . . . . . . . . ...

  • Page 6

    Contents-2 pn: 10580-00303 rev. D model ms20xxb mm table of contents (continued) 3-7 input related spurious (irs) signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 equipment required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 7

    Model ms20xxb mm pn: 10580-00303 rev. D contents-3 table of contents (continued) 6-4 internal anatomy of ms203xb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10 ms203xb separating case back from case front . . . . . . . . . . . . . . . . . . . . ....

  • Page 8

    Contents-4 pn: 10580-00303 rev. D model ms20xxb mm table of contents (continued) a-3 ms2025b test record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 vna frequency accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 9

    Model ms20xxb mm pn: 10580-00303 rev. D contents-5 table of contents (continued) appendix b—test fixture schematics b-2 t2904 test fixture schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 b-3 t3377 test fixture schematic . . . . . . . . . ...

  • Page 10

    Contents-6 pn: 10580-00303 rev. D model ms20xxb mm.

  • Page 11: 1-1

    Model ms20xxb mm pn: 10580-00303 rev. D 1-1 chapter 1 — general information 1-1 introduction this manual provides maintenance instructions for anritsu vna master models ms2024b, ms2025b, ms2034b, and ms2035b. It provides a list of recommended test equipment, performance verification procedures, part...

  • Page 12: 1-2

    1-2 product description general information 1-2 pn: 10580-00303 rev. D model ms20xxb mm 1-2 product description the ms202xb vna master is a portable handheld vector network analyzer featuring precise performance and essential rf capabilities. It is designed to conduct accurate vector-corrected 1-por...

  • Page 13: 1-3

    General information 1-3 related documents model ms20xxb mm pn: 10580-00303 rev. D 1-3 1-3 related documents other documents are available for the ms20xxb at the anritsu web site: www.Anritsu.Com vna master ms20xxb user guide – part number 10580-00301 vna master ms20xxb programming manual – part numb...

  • Page 14: 1-6

    1-6 recommended test equipment general information 1-4 pn: 10580-00303 rev. D model ms20xxb mm 1-6 recommended test equipment the following test equipment is recommended for use in testing and maintaining anritsu vna master models ms2024b, ms2025b, ms2034b, and ms2035b. Table 1-4 on page 1-4 is a li...

  • Page 15

    General information 1-6 recommended test equipment model ms20xxb mm pn: 10580-00303 rev. D 1-5 spectrum analyzer test equipment table 1-5. Test equipment recommended for spectrum analyzer verification instrument critical specification recommended manufacturer/model frequency reference frequency: 10 ...

  • Page 16

    1-6 recommended test equipment general information 1-6 pn: 10580-00303 rev. D model ms20xxb mm instrument options test equipment table 1-6. Test equipment recommended for options verification instrument critical specification recommended manufacturer/model load test fixture (for option 10) resistanc...

  • Page 17: 1-7

    General information 1-7 replaceable parts and assemblies model ms20xxb mm pn: 10580-00303 rev. D 1-7 1-7 replaceable parts and assemblies to ensure that the correct options are provided on the replacement assembly when ordering either a vna module assembly or main pcb assembly, all installed instrum...

  • Page 18

    1-7 replaceable parts and assemblies general information 1-8 pn: 10580-00303 rev. D model ms20xxb mm table 1-7 summarizes the available replaceable parts and assemblies. Table 1-7. List of replaceable parts part number description nd72051 main/vna pcb assembly for ms2024b instruments – does not incl...

  • Page 19

    General information 1-7 replaceable parts and assemblies model ms20xxb mm pn: 10580-00303 rev. D 1-9 3-2000-1498 usb type 2 a to mini b cable, 3 meters (10 feet) (for all ms202xb and ms203xb instruments) table 1-7. List of replaceable parts part number description.

  • Page 20: 1-8

    1-8 performance verification procedures general information 1-10 pn: 10580-00303 rev. D model ms20xxb mm 1-8 performance verification procedures performance verification procedures are in the following chapters: • chapter 2, “vna performance verification” • chapter 3, “spectrum analyzer performance ...

  • Page 21

    General information 1-8 performance verification procedures model ms20xxb mm pn: 10580-00303 rev. D 1-11 ms2035b vna frequency accuracy x chapter 2 vna transmission dynamic range x chapter 2 vna return loss measurements accuracy x chapter 2 vna mode bias tee operational check x chapter 4 gps operati...

  • Page 22

    1-8 performance verification procedures general information 1-12 pn: 10580-00303 rev. D model ms20xxb mm.

  • Page 23: 2-1

    Model ms20xxb mm pn: 10580-00303 rev. D 2-1 chapter 2 — vna performance verification 2-1 introduction this chapter contains tests that are used to verify the vector network analyzer performance of vna master models ms2024b, ms2025b, ms2034b, and ms2035b. Blank performance verification test records a...

  • Page 24: 2-3

    2-3 transmission dynamic range vna performance verification 2-2 pn: 10580-00303 rev. D model ms20xxb mm 11. Press the freq/dist main menu button and then the start freq submenu button. 12. Use the numeric keypad to enter 1 and then press the ghz submenu button to set the start frequency to 1 ghz. 13...

  • Page 25: 2-4

    Vna performance verification 2-4 return loss measurement accuracy verification model ms20xxb mm pn: 10580-00303 rev. D 2-3 6. Plug the mini-b male connector of the usb cable into the vna master usb mini-b port. 7. Plug the usb type a connector of the usb cable into an open usb port of the pc control...

  • Page 26

    2-4 return loss measurement accuracy verification vna performance verification 2-4 pn: 10580-00303 rev. D model ms20xxb mm 15. Press the enter key and wait until the measurement is complete. 16. Disconnect the short, connect the load of the calibration tee to vna port 1 and then press the enter key....

  • Page 27: Performance Verification

    Model ms20xxb mm pn: 10580-00303 rev. D 3-1 chapter 3 — spectrum analyzer performance verification 3-1 introduction this chapter contains tests that are used to verify the spectrum analyzer performance of vna master models ms2034b and ms2035b. Blank performance verification test records are provided...

  • Page 28: 3-2

    3-2 residual spurious response spectrum analyzer performance verification 3-2 pn: 10580-00303 rev. D model ms20xxb mm 3-2 residual spurious response the following test is used to verify the residual spurious response of the spectrum analyzer of vna master models ms2034b and ms2035b. Equipment requir...

  • Page 29

    Spectrum analyzer performance verification 3-2 residual spurious response model ms20xxb mm pn: 10580-00303 rev. D 3-3 22. Verify that marker 1 amplitude is 23. Record the marker 1 amplitude reading in the following tables in appendix a . • ms2034b – table a-7, “spectrum analyzer residual spurious re...

  • Page 30: 3-3

    3-3 displayed average noise level (danl) spectrum analyzer performance verification 3-4 pn: 10580-00303 rev. D model ms20xxb mm 3-3 displayed average noise level (danl) the following test is used to verify the displayed average noise level (danl) of the spectrum analyzer in the ms2034b and ms2035b v...

  • Page 31

    Spectrum analyzer performance verification 3-3 displayed average noise level (danl) model ms20xxb mm pn: 10580-00303 rev. D 3-5 23. Repeat step 12 through step 22 for other frequency settings in table a-9 for ms2034b or table a-34 for ms2035b in appendix a . Change rbw and vbw setting as applicable....

  • Page 32: 3-4

    3-4 frequency accuracy spectrum analyzer performance verification 3-6 pn: 10580-00303 rev. D model ms20xxb mm 3-4 frequency accuracy the following test is used to verify the cw frequency accuracy of the spectrum analyzer in the ms2034b and ms2035b models of vna master. Equipment required • synthesiz...

  • Page 33

    Spectrum analyzer performance verification 3-4 frequency accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-7 7. Press the shift key and then the preset (1) key. Press the preset button on the touch screen submenu to set the instrument to the factory preset state. 8. Press the shift key and then the...

  • Page 34: 3-5

    3-5 single side band (ssb) phase noise spectrum analyzer performance verification 3-8 pn: 10580-00303 rev. D model ms20xxb mm 3-5 single side band (ssb) phase noise this test is used to verify the single side band (ssb) phase noise of the spectrum analyzer in the ms2034b and ms2035b models of vna ma...

  • Page 35

    Spectrum analyzer performance verification 3-5 single side band (ssb) phase noise model ms20xxb mm pn: 10580-00303 rev. D 3-9 26. Press the delta on/off submenu button to turn on delta. 27. Use the numeric keypad to enter 10 and then press the khz submenu button. 28. Record the measured value in app...

  • Page 36: 3-6

    3-6 spurious response (second harmonic distortion) spectrum analyzer performance verification 3-10 pn: 10580-00303 rev. D model ms20xxb mm 3-6 spurious response (second harmonic distortion) the following test is used to verify the input related spurious response of the spectrum analyzer in the ms203...

  • Page 37

    Spectrum analyzer performance verification 3-6 spurious response (second harmonic distortion) model ms20xxb mm pn: 10580-00303 rev. D 3-11 4. Install the 34rknf50 adapter to the output of the mg3692x generator and then connect the male end of the 50 mhz low pass filter to the adapter. 5. Connect the...

  • Page 38

    3-6 spurious response (second harmonic distortion) spectrum analyzer performance verification 3-12 pn: 10580-00303 rev. D model ms20xxb mm 36. Press the marker main menu button and then peak search submenu button. 37. Record the amplitude of 100.2 mhz in table a-14 for ms2034b or table a-39 for ms20...

  • Page 39: 3-7

    Spectrum analyzer performance verification 3-7 input related spurious (irs) signals model ms20xxb mm pn: 10580-00303 rev. D 3-13 3-7 input related spurious (irs) signals the following test is used to verify the input related spurious signals of the spectrum analyzer in the ms2034b and ms2035b at dif...

  • Page 40

    3-7 input related spurious (irs) signals spectrum analyzer performance verification 3-14 pn: 10580-00303 rev. D model ms20xxb mm 24. Press the marker main menu button and then the peak search submenu button. 25. Record the marker amplitude reading of 2072.5 mhz in table a-15 on page a-6 for ms2034b ...

  • Page 41

    Spectrum analyzer performance verification 3-7 input related spurious (irs) signals model ms20xxb mm pn: 10580-00303 rev. D 3-15 55. Press the shift key, press the trace (5) key and then press the trace a operations submenu button. 56. Press the # of averages submenu button. 57. Use the numeric keyp...

  • Page 42

    3-7 input related spurious (irs) signals spectrum analyzer performance verification 3-16 pn: 10580-00303 rev. D model ms20xxb mm 87. Press the marker main menu button and then peak search submenu button. 88. Record the marker amplitude reading into the measured value column for 2821 mhz to 2823 mhz ...

  • Page 43: 3-8

    Spectrum analyzer performance verification 3-8 resolution bandwidth accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-17 3-8 resolution bandwidth accuracy the following test is used to verify the resolution bandwidth accuracy of the spectrum analyzer in the ms2034b and ms2035b vna master. Equipment...

  • Page 44

    3-8 resolution bandwidth accuracy spectrum analyzer performance verification 3-18 pn: 10580-00303 rev. D model ms20xxb mm 6. Install the 34rknf50 adapter to the output of the mg3692x generator and then connect the 15nn50-1.5c rf coaxial cable between the adapter and the rf in connector of the vna ma...

  • Page 45

    Spectrum analyzer performance verification 3-8 resolution bandwidth accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-19 rbw test 19. Press the span submenu button. 20. Use the numeric keypad and the appropriate unit submenu button (for example, mhz) to set span to the first value listed in the tab...

  • Page 46: 3-9

    3-9 amplitude accuracy spectrum analyzer performance verification 3-20 pn: 10580-00303 rev. D model ms20xxb mm 3-9 amplitude accuracy the following tests are used to verify the amplitude accuracy of the spectrum analyzer in the ms2034b and ms2035b vna master. The tests consist of: • “50 mhz amplitud...

  • Page 47

    Spectrum analyzer performance verification 3-9 amplitude accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-21 6. Install the 10 db fixed attenuator to the other power splitter output and then connect sensor a to the end of the attenuator as shown in figure 3-4 . 7. Set the mg3692x to a frequency of...

  • Page 48

    3-9 amplitude accuracy spectrum analyzer performance verification 3-22 pn: 10580-00303 rev. D model ms20xxb mm 9. Record the sensor b reading into the required sensor b reading column of table a-17 for ms2034b or table a-42 for ms2035b in appendix a . 10. Repeat step 8 and step 9 for the other input...

  • Page 49

    Spectrum analyzer performance verification 3-9 amplitude accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-23 15. Press the shift key and then the sweep (3) key, sweep mode submenu key and then the performance submenu key. 16. Press the freq main menu button and then the center freq submenu button....

  • Page 50

    3-9 amplitude accuracy spectrum analyzer performance verification 3-24 pn: 10580-00303 rev. D model ms20xxb mm amplitude accuracy across frequency verification equipment required • synthesized signal generator, anritsu model mg3692x • k(m) to n(f) adapter, anritsu model 34rknf50 • 10 mhz reference s...

  • Page 51

    Spectrum analyzer performance verification 3-9 amplitude accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-25 5. Install the 10 db fixed attenuator to the other power splitter output and then connect sensor a to the end of the attenuator as shown in figure 3-6 . 6. On the power meter, press the cha...

  • Page 52

    3-9 amplitude accuracy spectrum analyzer performance verification 3-26 pn: 10580-00303 rev. D model ms20xxb mm 8. On the power meter, press the sensor key, the cal factor soft key, and then the freq soft key. Use the numeric keypad to enter the value matching the frequency of ms3692x as the input si...

  • Page 53

    Spectrum analyzer performance verification 3-9 amplitude accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-27 15. Connect the open end of the 34nn50a adapter to the rf in connector of the vna master as shown in figure 3-4. 16. On the vna master, press the shift key and then the mode (9) key. Use th...

  • Page 54

    3-9 amplitude accuracy spectrum analyzer performance verification 3-28 pn: 10580-00303 rev. D model ms20xxb mm 26. Set the power meter to display channel b. Press the sensor key, the cal factor soft key, and then the freq soft key. Use the numeric keypad to enter the value matching the frequency of ...

  • Page 55

    Spectrum analyzer performance verification 3-9 amplitude accuracy model ms20xxb mm pn: 10580-00303 rev. D 3-29 45. Repeat step 25 through step 44 for all frequencies that are applicable for the unit under test. Record the results in appendix a in the following tables for ms2034b: • table a-21 on pag...

  • Page 56

    3-10 third order intercept (toi) spectrum analyzer performance verification 3-30 pn: 10580-00303 rev. D model ms20xxb mm 3-10 third order intercept (toi) the following test verifies the third order intercept point (also known as toi or ip3) of the spectrum analyzer in vna master models ms2034b and m...

  • Page 57

    Spectrum analyzer performance verification 3-10 third order intercept (toi) model ms20xxb mm pn: 10580-00303 rev. D 3-31 800 mhz toi test 2. Set the mg3692x synthesized signal generator #1 to 799.951 mhz cw, and set the mg3692x synthesized signal generator #2 to 800.051 mhz. 3. Turn off the rf of th...

  • Page 58

    3-10 third order intercept (toi) spectrum analyzer performance verification 3-32 pn: 10580-00303 rev. D model ms20xxb mm 8. On the mg3692x synthesized signal generator #2, turn the rf on, and adjust the rf amplitude so that –20 dbm appears at the splitter output (approximately +16 dbm). 9. Turn off ...

  • Page 59

    Spectrum analyzer performance verification 3-10 third order intercept (toi) model ms20xxb mm pn: 10580-00303 rev. D 3-33 14. Disconnect the power sensor from the output of the power splitter and connect the power splitter output to the ms203xb rf in connector through the anritsu model 34nn50a adapte...

  • Page 60

    3-10 third order intercept (toi) spectrum analyzer performance verification 3-34 pn: 10580-00303 rev. D model ms20xxb mm 20. Determine which signal is larger (the 799.851 mhz signal or the 800.151 mhz signal). Use the larger value for max in the following formula to calculate the toi for 800 mhz (re...

  • Page 61: Verification

    Model ms20xxb mm pn: 10580-00303 rev. D 4-1 chapter 4 — options performance verification 4-1 introduction this chapter contains tests that are used to verify the performance of options that are installed in vna master models ms2024b, ms2025b, ms2034b, and ms2035b. Blank performance verification test...

  • Page 62: 4-2

    4-2 vna mode bias tee (option 10) operational check options performance verification 4-2 pn: 10580-00303 rev. D model ms20xxb mm 4-2 vna mode bias tee (option 10) operational check if the bias tee (option 10) is installed in the vna master, then the following test can be used to verify the internal ...

  • Page 63

    Options performance verification 4-2 vna mode bias tee (option 10) operational check model ms20xxb mm pn: 10580-00303 rev. D 4-3 16. Press the off submenu button to turn the bias tee off. Press the back submenu button to return to previous menu. 17. Press the int voltage p2 submenu button. Use the n...

  • Page 64: 4-3

    4-3 gps (option 31) operational check options performance verification 4-4 pn: 10580-00303 rev. D model ms20xxb mm 4-3 gps (option 31) operational check the following test is used to verify the operation of the gps option for ms2024b, ms2025b, ms2034b and ms2035b. Equipment required • sma(m) to bnc(...

  • Page 65

    Options performance verification 4-3 gps (option 31) operational check model ms20xxb mm pn: 10580-00303 rev. D 4-5 18. Remove the adapter and terminator from the gps connector of the vna master. Gps receiver operational check (for ms2024b and ms2025b only) 19. Connect the gps antenna to the gps conn...

  • Page 66: 4-4

    4-4 spectrum analyzer frequency accuracy with gps on options performance verification 4-6 pn: 10580-00303 rev. D model ms20xxb mm 4-4 spectrum analyzer frequency accuracy with gps on the following test is used to verify the frequency accuracy of the spectrum analyzer with gps on for ms2034b and ms20...

  • Page 67

    Options performance verification 4-4 spectrum analyzer frequency accuracy with gps on model ms20xxb mm pn: 10580-00303 rev. D 4-7 3. Turn on both the 10 mhz reference standard and the synthesized signal generator. 4. Set the mg3692x output to 3.9 ghz cw for ms2034b or to 5.9 ghz cw for ms2035b, with...

  • Page 68

    4-4 spectrum analyzer frequency accuracy with gps on options performance verification 4-8 pn: 10580-00303 rev. D model ms20xxb mm 13. Press the bw main menu button and then the rbw submenu button. 14. Use the numeric keypad to enter 100 and then press the hz submenu button. 15. Press the vbw submenu...

  • Page 69: 5-1

    Model ms20xxb mm pn: 10580-00303 rev. D 5-1 chapter 5 — battery information 5-1 introduction this chapter describes battery information for vna master models ms2024b, ms2025b, ms2034b, and ms2035b. Note some of the procedures in this section are generic, and apply to many similar instruments. Photos...

  • Page 70: 5-2

    5-2 battery pack removal and replacement battery information 5-2 pn: 10580-00303 rev. D model ms20xxb mm 5-2 battery pack removal and replacement this section provides instructions for the removing and replacing the battery pack. 1. With the instrument standing upright on its base and standing on a ...

  • Page 71

    Battery information 5-2 battery pack removal and replacement model ms20xxb mm pn: 10580-00303 rev. D 5-3 figure 5-2. Battery insertion and removal figure 5-3. Battery contacts battery contacts.

  • Page 72

    5-2 battery pack removal and replacement battery information 5-4 pn: 10580-00303 rev. D model ms20xxb mm battery pack information the following information relates to the care and handling of the anritsu battery pack and lithium-ion batteries in general. • the battery pack that is supplied with your...

  • Page 73: 6-1

    Model ms20xxb mm pn: 10580-00303 rev. D 6-1 chapter 6 — removal and replacement 6-1 introduction this chapter describes the removal and replacement procedures for the various assemblies of vna master models ms2024b, ms2025b, ms2034b, and ms2035b. Illustrations (drawings or photographs) in this manua...

  • Page 74

    Removal and replacement 6-2 pn: 10580-00303 rev. D model ms20xxb mm removal and replacement instructions the removal and replacement instructions are described in the following sections: • section 6-6 “opening the instrument case” on page 6-14 • section 6-7 “pcb assembly replacement (ms202xb and ms2...

  • Page 75: 6-2

    Removal and replacement 6-2 internal anatomy of all four vna master models model ms20xxb mm pn: 10580-00303 rev. D 6-3 6-2 internal anatomy of all four vna master models first step for opening the case figure 6-1. Removal of bumpers and rotary knob.

  • Page 76

    6-2 internal anatomy of all four vna master models removal and replacement 6-4 pn: 10580-00303 rev. D model ms20xxb mm screws on case back figure 6-2 shows the 6 screw locations for opening the case (arrows) and also shows the 4 screws that secure the tilt bail. Figure 6-2. Location of six screws th...

  • Page 77

    Removal and replacement 6-2 internal anatomy of all four vna master models model ms20xxb mm pn: 10580-00303 rev. D 6-5 basic case parts the case front includes the keypad, touch screen, lcd, and fan. The case back includes the battery compartment and its door. Figure 6-3 also shows the tilt bail and...

  • Page 78

    6-2 internal anatomy of all four vna master models removal and replacement 6-6 pn: 10580-00303 rev. D model ms20xxb mm ms20xxb instrument overview 1. Touch screen and lcd display 2. Fan inlet vent 3. Top bumper 4. Ventilation exhaust vent 5. Rotary knob 6. Keypad 7. Ventilation exhaust vent 8. Botto...

  • Page 79: 6-3

    Removal and replacement 6-3 internal anatomy of ms202xb model ms20xxb mm pn: 10580-00303 rev. D 6-7 6-3 internal anatomy of ms202xb ms202xb separating case back from case front 1. Battery cable and connection to mother board figure 6-5. Opening the case 1.

  • Page 80

    6-3 internal anatomy of ms202xb removal and replacement 6-8 pn: 10580-00303 rev. D model ms20xxb mm ms202xb parts in case front 1. Keyboard cable and connector on mother board 2. Fan cable and connector location 3. Lcd cable and connector location figure 6-6. Parts in front case 1 1 2 2 3 3.

  • Page 81

    Removal and replacement 6-3 internal anatomy of ms202xb model ms20xxb mm pn: 10580-00303 rev. D 6-9 ms202xb connector panel 1. External reference in (not installed in ms202xb models) 2. External trigger in (not installed in ms202xb models) 3. Rf in (not installed in ms202xb models) 4. Usb mini-b (fu...

  • Page 82: 6-4

    6-4 internal anatomy of ms203xb removal and replacement 6-10 pn: 10580-00303 rev. D model ms20xxb mm 6-4 internal anatomy of ms203xb ms203xb separating case back from case front in addition to the basic parts within the ms202xb models, the ms203xb models contain a spa pcb and dsp pcb, both attached ...

  • Page 83

    Removal and replacement 6-4 internal anatomy of ms203xb model ms20xxb mm pn: 10580-00303 rev. D 6-11 ms203xb parts in case front 1. Keyboard cable and connector on mother board 2. Fan cable and connector location 3. Lcd cable and connector location figure 6-9. Parts in front case 1 1 2 2 3 3.

  • Page 84

    6-4 internal anatomy of ms203xb removal and replacement 6-12 pn: 10580-00303 rev. D model ms20xxb mm ms203xb connector panel 1. External reference in 2. External trigger in 3. Rf in 4. Usb mini-b (full speed, usb 2.0) 5. Gps antenna (with option 31) 6. External power 7. Usb type a (full speed, usb 2...

  • Page 85: 6-5

    Removal and replacement 6-5 disassembly sequence overview model ms20xxb mm pn: 10580-00303 rev. D 6-13 6-5 disassembly sequence overview except for replacing the rotary knob, the case must be opened for all maintenance operations. Part numbers for all replaceable parts are found in table 1-7, “list ...

  • Page 86: 6-6

    6-6 opening the instrument case removal and replacement 6-14 pn: 10580-00303 rev. D model ms20xxb mm 6-6 opening the instrument case this procedure provides instructions for opening the vna master case. With the case opened, the internal assemblies can be removed and replaced, as described in the re...

  • Page 87

    Removal and replacement 6-6 opening the instrument case model ms20xxb mm pn: 10580-00303 rev. D 6-15 3. Place the vna master face down on a stable work surface that will not scratch the display. 4. Use a phillips screwdriver to remove the six screws securing the two halves of the case together. The ...

  • Page 88

    6-6 opening the instrument case removal and replacement 6-16 pn: 10580-00303 rev. D model ms20xxb mm case reassembly: 7. Closing the case is the reverse of opening. 8. Connect the battery cable to the mother board and close the case, as described in “case reassembly:” on page 6-16 . Tuck excess batt...

  • Page 89: 6-7

    Removal and replacement 6-7 pcb assembly replacement (ms202xb and ms203xb) model ms20xxb mm pn: 10580-00303 rev. D 6-17 6-7 pcb assembly replacement (ms202xb and ms203xb) this section describes the removal and replacement of the main/vna and main/vna/dsp pcb assemblies and the spa pcb, which are att...

  • Page 90

    6-7 pcb assembly replacement (ms202xb and ms203xb) removal and replacement 6-18 pn: 10580-00303 rev. D model ms20xxb mm 2. Disconnect the keypad pcb connector (item 7 in figure 6-14 ), the fan assembly cable connector (item 4 in figure 6-14 ), and the lcd connector (item 5 in figure 6-14 ). 3. Use a...

  • Page 91: 6-8

    Removal and replacement 6-8 spa assembly replacement model ms20xxb mm pn: 10580-00303 rev. D 6-19 6-8 spa assembly replacement this section describes the removal of the spectrum analyzer assembly board. Parts: • nd72119 – spa pcb assembly for ms2034b and ms2035b instruments procedure: 1. Open the ca...

  • Page 92

    6-8 spa assembly replacement removal and replacement 6-20 pn: 10580-00303 rev. D model ms20xxb mm pcb assembly out of case figure 6-16 shows the pcb assembly as viewed from the top and from the bottom. Figure 6-16. Main/vna pcb assembly (with spa pcb) removed from case 1 4 3 8 11 9 6 5 7 12 13 14 15...

  • Page 93

    Removal and replacement 6-8 spa assembly replacement model ms20xxb mm pn: 10580-00303 rev. D 6-21 3. Use the anritsu tool t1451 to remove the castellated bnc dress nuts from the external reference connector and the external trigger connector (shown in figure 6-15 and figure 6-16 ). Save the washers....

  • Page 94

    6-8 spa assembly replacement removal and replacement 6-22 pn: 10580-00303 rev. D model ms20xxb mm pcb cable connections figure 6-17. Connections between pcb assemblies 1 7 8 2 5 6 9 3 3 4 4 5.

  • Page 95

    Removal and replacement 6-8 spa assembly replacement model ms20xxb mm pn: 10580-00303 rev. D 6-23 table 6-2. Numbered items in figure 6-17 1 vna shield attached to mother board (do not remove shields) 2 mb to spa pcb ribbon cable at mother board connector j1 3 dsp pcb connector j2 (140 mhz spa if) –...

  • Page 96: 6-9

    6-9 gps (option 31) replacement removal and replacement 6-24 pn: 10580-00303 rev. D model ms20xxb mm 6-9 gps (option 31) replacement this procedure provides instructions for removing and replacing the gps module. Parts: • nd70320 – gps receiver module (option 31) for all vna master instruments proce...

  • Page 97

    Removal and replacement 6-9 gps (option 31) replacement model ms20xxb mm pn: 10580-00303 rev. D 6-25 note the pcb assembly that is shown in figure 6-18 is not a vna master, but the removal steps are appropriate. Figure 6-18. Removing the gps module from the main/vna board (spa board set to the side)...

  • Page 98

    6-10 ethernet pcb assembly (option 411) replacement removal and replacement 6-26 pn: 10580-00303 rev. D model ms20xxb mm 6-10 ethernet pcb assembly (option 411) replacement this procedure provides instructions for removing and replacing the ethernet pcb assembly. This option includes an option plate...

  • Page 99

    Removal and replacement 6-10 ethernet pcb assembly (option 411) replacement model ms20xxb mm pn: 10580-00303 rev. D 6-27 ethernet pcb assembly 1. Screw (4 total) to attach option 411 pcb to main/vna pcb assembly 2. Connector j1 (mother board to spa pcb ribbon cable connector) 3. Vna shield 4. Ethern...

  • Page 100

    6-11 main/vna pcb assembly replacement removal and replacement 6-28 pn: 10580-00303 rev. D model ms20xxb mm 6-11 main/vna pcb assembly replacement this procedure provides instructions for removing and replacing the main/vna pcb assembly for ms2024b and ms2025b instruments. Parts: • nd72051 – main/vn...

  • Page 101

    Removal and replacement 6-12 main/vna/dsp pcb assembly replacement model ms20xxb mm pn: 10580-00303 rev. D 6-29 6-12 main/vna/dsp pcb assembly replacement this procedure provides instructions for removing and replacing the main/vna/dsp pcb assembly for ms2034b and ms2035b instruments. Parts: • nd721...

  • Page 102

    6-13 fan assembly replacement removal and replacement 6-30 pn: 10580-00303 rev. D model ms20xxb mm 6-13 fan assembly replacement this procedure provides instructions for removing and replacing the fan assembly. Parts: • 3-72779 – fan assembly procedure: 1. Open the case as described in section 6-6 “...

  • Page 103

    Removal and replacement 6-13 fan assembly replacement model ms20xxb mm pn: 10580-00303 rev. D 6-31 4. Extract the fan cable from the metal pan and remove the fan assembly. Installing the fan assembly: 5. Installation is the reverse of removal. Follow replacement instructions for each of the parts an...

  • Page 104

    6-14 lcd assembly replacement removal and replacement 6-32 pn: 10580-00303 rev. D model ms20xxb mm 6-14 lcd assembly replacement this procedure provides instructions for removing and replacing the liquid crystal display (lcd) after the main/vna pcb or main/vna pcb/dsp assembly has been separated fro...

  • Page 105

    Removal and replacement 6-14 lcd assembly replacement model ms20xxb mm pn: 10580-00303 rev. D 6-33 5. Use a phillips screw driver to remove the four screws securing the lcd to the housing ( figure 6-25 ). 6. Disconnect the lcd backlight cable from the lcd backlight pcb. 7. Disconnect the lcd cable f...

  • Page 106

    6-14 lcd assembly replacement removal and replacement 6-34 pn: 10580-00303 rev. D model ms20xxb mm installing the lcd: 9. Installation is the reverse of removal. Follow replacement instructions for each of the parts and assemblies that were removed, as appropriate. 10. Close the case as described in...

  • Page 107

    Removal and replacement 6-15 lcd backlight pcb removal and replacement model ms20xxb mm pn: 10580-00303 rev. D 6-35 6-15 lcd backlight pcb removal and replacement this procedure provides instructions for removing and replacing the vna master lcd backlight pcb. Parts: • 3-68567-3 – lcd backlight inve...

  • Page 108

    6-16 keypad and keypad pcb replacement removal and replacement 6-36 pn: 10580-00303 rev. D model ms20xxb mm 6-16 keypad and keypad pcb replacement this procedure provides instructions for removing and replacing the keypad and the keypad pcb. Parts: • 3-72773 – rubber keypad • 3-72811-3 – main numeri...

  • Page 109

    Removal and replacement 6-17 touch screen replacement model ms20xxb mm pn: 10580-00303 rev. D 6-37 6-17 touch screen replacement this procedure provides instructions for removing and replacing the touch screen. Parts: • nd73867 – touch screen with gasket procedure: 1. Open the case as described in s...

  • Page 110

    6-17 touch screen replacement removal and replacement 6-38 pn: 10580-00303 rev. D model ms20xxb mm 7. Reverse the above steps to install the replacement touch screen. 8. Perform a touch screen calibration by pressing the shift key followed by the 0 key, and then following the on-screen calibration i...

  • Page 111: 7-1

    Model ms20xxb mm pn: 10580-00303 rev. D 7-1 chapter 7 — troubleshooting 7-1 introduction this chapter describes the primary troubleshooting operations that can be performed. Perform the troubleshooting suggestions in the order in which they are listed. Only qualified service personnel should replace...

  • Page 113

    Troubleshooting 7-3 operating problems model ms20xxb mm pn: 10580-00303 rev. D 7-3 spectrum analyzer problems lock error message 1. Spectrum analyzer pcb assembly may have failed or may have been damaged. Replace the spectrum analyzer assembly for ms203xb. Measurement problems 1. Inspect the spectru...

  • Page 114: 7-4

    7-4 other issues troubleshooting 7-4 pn: 10580-00303 rev. D model ms20xxb mm 7-4 other issues 1. Perform a master reset. 2. Refer to the user guide and measurement guide. 3. Update firmware. 4. Replace the failed parts or assemblies (for example, the lcd touch screen, keypad, and so forth)..

  • Page 115: Appendix A — Test Records

    Model ms20xxb mm pn: 10580-00303 rev. D a-1 appendix a — test records a-1 introduction this appendix provides test records that can be used to record the performance of vna master models ms2024b, ms2025b, ms2034b, and ms2035b. Make a copy of the following test record pages and document the measured ...

  • Page 116: A-2

    A-2 ms2024b test record test records a-2 pn: 10580-00303 rev. D model ms20xxb mm a-2 ms2024b test record vna frequency accuracy vna transmission dynamic range _____ refer to attached test data report vna return loss measurements accuracy serial number: firmware revision: operator: options: date: tab...

  • Page 117: A-3

    Test records a-3 ms2025b test record model ms20xxb mm pn: 10580-00303 rev. D a-3 a-3 ms2025b test record vna frequency accuracy vna transmission dynamic range _____ refer to attached test data report vna return loss measurements accuracy serial number: firmware revision: operator: options: date: tab...

  • Page 118: A-4

    A-4 ms2034b test record test records a-4 pn: 10580-00303 rev. D model ms20xxb mm a-4 ms2034b test record vna frequency accuracy vna transmission dynamic range _____ refer to attached test data report vna return loss measurements accuracy spectrum analyzer residual spurious response serial number: fi...

  • Page 119

    Test records a-4 ms2034b test record model ms20xxb mm pn: 10580-00303 rev. D a-5 spectrum analyzer displayed average noise level (danl) spectrum analyzer frequency accuracy spectrum analyzer frequency accuracy (option 31, gps) serial number: firmware revision: operator: options: date: table a-9. Spe...

  • Page 120

    A-4 ms2034b test record test records a-6 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer single side band (ssb) phase noise spectrum analyzer spurious response (second harmonic distortion) spectrum analyzer input related spurious (irs) signals serial number: firmware revision: operator: op...

  • Page 121

    Test records a-4 ms2034b test record model ms20xxb mm pn: 10580-00303 rev. D a-7 spectrum analyzer resolution bandwidth accuracy serial number: firmware revision: operator: options: date: table a-16. Spectrum analyzer resolution bandwidth accuracy rbw span vbw lower limit measured values upper limit...

  • Page 122

    A-4 ms2034b test record test records a-8 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer amplitude accuracy serial number: firmware revision: operator: options: date: table a-17. Spectrum analyzer 50 mhz amplitude accuracy setup table test power level @ 50 mhz required sensor b reading 0 d...

  • Page 123

    Test records a-4 ms2034b test record model ms20xxb mm pn: 10580-00303 rev. D a-9 spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-19. Spectrum analyzer amplitude accuracy across frequency setup table frequency required sensor b readi...

  • Page 124

    A-4 ms2034b test record test records a-10 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-21. Spectrum analyzer amplitude accuracy across frequency – 10.1 mhz test power dbm atten level db spe...

  • Page 125

    Test records a-4 ms2034b test record model ms20xxb mm pn: 10580-00303 rev. D a-11 spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-23. Spectrum analyzer amplitude accuracy across frequency – 100 mhz test power dbm atten level db spec...

  • Page 126

    A-4 ms2034b test record test records a-12 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-25. Spectrum analyzer amplitude accuracy across frequency – 1000 mhz test power dbm atten level db spe...

  • Page 127

    Test records a-4 ms2034b test record model ms20xxb mm pn: 10580-00303 rev. D a-13 spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-27. Spectrum analyzer amplitude accuracy across frequency – 3000 mhz test power dbm atten level db spe...

  • Page 128

    A-4 ms2034b test record test records a-14 pn: 10580-00303 rev. D model ms20xxb mm third order intercept serial number: firmware revision: operator: options: date: table a-29. Spectrum analyzer third order intercept third order intercept at center frequency measured value specification 800.151 mhz db...

  • Page 129: A-5

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-15 a-5 ms2035b test record vna frequency accuracy vna transmission dynamic range _____ refer to attached test data report vna return loss measurements accuracy serial number: firmware revision: operator: options: date: ta...

  • Page 130

    A-5 ms2035b test record test records a-16 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer residual spurious response serial number: firmware revision: operator: options: date: table a-32. Spectrum analyzer residual spurious response with preamp off start freq stop freq rbw vbw specificatio...

  • Page 131

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-17 spectrum analyzer displayed average noise level (danl) serial number: firmware revision: operator: options: date: table a-34. Spectrum analyzer danl with preamp off start freq stop freq rbw vbw specification measured v...

  • Page 132

    A-5 ms2035b test record test records a-18 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer frequency accuracy spectrum analyzer frequency accuracy (option 31, gps) single side band (ssb) phase noise serial number: firmware revision: operator: options: date: table a-36. Spectrum analyzer fre...

  • Page 133

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-19 spectrum analyzer spurious response (second harmonic distortion) spectrum analyzer input related spurious (irs) signals serial number: firmware revision: operator: options: date: table a-39. Spectrum analyzer spurious ...

  • Page 134

    A-5 ms2035b test record test records a-20 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer resolution bandwidth accuracy serial number: firmware revision: operator: options: date: table a-41. Spectrum analyzer resolution bandwidth accuracy rbw span vbw lower limit measured values upper limi...

  • Page 135

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-21 spectrum analyzer amplitude accuracy serial number: firmware revision: operator: options: date: table a-42. Spectrum analyzer 50 mhz amplitude accuracy setup table test power level at 50 mhz required sensor b reading 0...

  • Page 136

    A-5 ms2035b test record test records a-22 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-44. Spectrum analyzer amplitude accuracy across frequency setup table frequency required sensor b read...

  • Page 137

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-23 spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-46. Spectrum analyzer amplitude accuracy across frequency – 10.1 mhz test power dbm atten level db spe...

  • Page 138

    A-5 ms2035b test record test records a-24 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-48. Spectrum analyzer amplitude accuracy across frequency – 100 mhz test power dbm atten level db spec...

  • Page 139

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-25 spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-50. Spectrum analyzer amplitude accuracy across frequency – 1000 mhz test power dbm atten level db spe...

  • Page 140

    A-5 ms2035b test record test records a-26 pn: 10580-00303 rev. D model ms20xxb mm spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-52. Spectrum analyzer amplitude accuracy across frequency – 3000 mhz test power dbm atten level db spe...

  • Page 141

    Test records a-5 ms2035b test record model ms20xxb mm pn: 10580-00303 rev. D a-27 spectrum analyzer amplitude accuracy (continued) serial number: firmware revision: operator: options: date: table a-54. Spectrum analyzer amplitude accuracy across frequency – 5000 mhz test power dbm atten level db spe...

  • Page 142

    A-5 ms2035b test record test records a-28 pn: 10580-00303 rev. D model ms20xxb mm third order intercept serial number: firmware revision: operator: options: date: table a-56. Spectrum analyzer third order intercept third order intercept at center frequency measured value specification 800.151 mhz db...

  • Page 143: B-1

    Model ms20xxb mm pn: 10580-00303 rev. D b-1 appendix b — test fixture schematics b-1 introduction the following schematics are provided for those wishing to build their own test fixtures for the option 10 verification test. The part numbers that are referenced in the schematics are anritsu part numb...

  • Page 144: B-3

    B-3 t3377 test fixture schematic test fixture schematics b-2 pn: 10580-00303 rev. D model ms20xxb mm b-3 t3377 test fixture schematic figure b-2. T3377 test fixture schematic 130-200-3 200, 5%, 3.25 w 130-200-3 200, 5%, 3.25 w 101-10-5 10, 5%, 0.25 w 513-32 101-10-5 10, 5%, 0.25 w.

  • Page 145: B-4

    Test fixture schematics b-4 t3536 test fixture schematic model ms20xxb mm pn: 10580-00303 rev. D b-3 b-4 t3536 test fixture schematic figure b-3. T3536 test fixture schematic 3-116-10-5 10, 5%, 1 w 250-108 1000 μf 63 v 3-116-10-5 10, 5%, 1 w 3-130-36-5 36, 5%, 10 w 3-130-36-5 36, 5%, 10 w 513-32.

  • Page 146

    B-4 t3536 test fixture schematic test fixture schematics b-4 pn: 10580-00303 rev. D model ms20xxb mm.

  • Page 147: Index

    A to s model ms20xxb mm pn: 10580-00303 rev. D index-1 index a accessories, standard . . . . . . . . . . . . . . . . . . . . . . 1-2 amplitude accuracy test, spa . . . . . . . . . . . . . . 3-20 b battery completely discharged . . . . . . . . . . . . . . . . . . 7-1 pack information . . . . . . . . ...

  • Page 148

    T to w index-2 pn: 10580-00303 rev. D model ms20xxb mm spa tests amplitude accuracy . . . . . . . . . . . . . . . . . . . 3-20 danl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 frequency accuracy . . . . . . . . . . . . . . . . . . . . . 3-6 irs signals . . . . . . . . . . . . ....

  • Page 150

    Anritsu utilizes recycled paper and environmentally conscious inks and toner. Anritsu company 490 jarvis drive morgan hill, ca 95037-2809 usa http://www.Anritsu.Com.