Quartzlock E6-SS User Handbook Manual

Manual is about: Desk Top Universal Reference Source

Summary of E6-SS

  • Page 1

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 1 e6- desk top universal reference source user’s handbook quartzlock uk ltd gothic, plymouth road, totnes, devon. Tq9 5lh, england. Tel: +44 (0) 1803 862062 web: www.Quartzlock.Com e-mail: sales@quartzlock.Com.

  • Page 2

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 2 revision date description by 1 12 th aug 2015 initial release n. Law.

  • Page 3: Contents

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 3 contents 1 safety considerations .............................................................. 4 1.1 general ............................................................................ 4 1.1.1 before applying power ................

  • Page 4: 1  Safety Considerations

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 4 1 safety considerations 1.1 general this product and related documentation must be reviewed for familiarisation before operation. If the equipment is used in a manner not specified by the manufacturer, the protection provided by t...

  • Page 5: 1.3.1  Temperature

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 5 1.2 voltage, frequency and power characteristics 1.2.1 universal full range ac input power adaptor class ii power (no earth) overvoltage, short circuit & over temperature protection gs, ul/cul & ce approval voltage 100 - 240v ac f...

  • Page 6

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 6.

  • Page 7: 2.1.1  Introduction

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 7 2 desk top universal reference source 2.1 universal reference source 2.1.1 introduction the instrument is a synthesized source optimised for signal purity. A wide range of output frequencies is provided, at output levels between –...

  • Page 8

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 8 with predominately square wave outputs from the dividers, the second harmonic is theoretically suppressed, however the third harmonic is only - 9.5dbc. Therefore all outputs are filtered to achieve harmonics at about - 40dbc. On t...

  • Page 9

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 9 various modulation modes are available, described in detail as follows: am. Am is available on low range only. Depth is adjustable from 0 to 40% in steps of 1%. Am modulation frequency is adjustable from 1hz to 20khz in steps of 1...

  • Page 10

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 10 ask (external) amplitude shift keying is available by applying a logic input to the external modulation input on the rear panel. The logic levels are ttl or 3.3v cmos. A logic 0 gives the attenuated level, and a logic 1 the full ...

  • Page 11

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 11 one of the design objectives was that the source could be used without the interface connected. This can be useful when the source is used to supply a few frequencies that are not often changed. In order to achieve this, 5 user m...

  • Page 12: 3  Operating Procedure

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 12 3 operating procedure 3.1 connection to power supply the supplied line adapter can be used to power the instrument from ac line power. Alternatively any good quality dc supply may be used. Dc supply voltage is 10 to 15v, and powe...

  • Page 13: 3.4  Calibration

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 13 “!” and a carriage return. (note that when using hyperterm, the option to append a line feed to a received carriage return should be used). Examples: fr? Interrogates current cw frequency and frequency step fri increments current...

  • Page 14

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 14 b) rf level accuracy calibration c) low range rf level interpolation calibration d) am depth calibration 3.4.1 internal reference frequency calibration procedure: connect the instrument rf output to a frequency counter with an in...

  • Page 15

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 15 power of 13dbm. Once the reading is correct, send the following commands to the instrument: ssb05 this activates board test 5 now press the “c” key. This returns a number that relates to the dc voltage on the external modulation ...

  • Page 16

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 16 the two keys “0” and “1” switch the power control increment by 1db. The objective is to adjust the calibration table so the increment measured on the power meter is also 1db. The calibration table is incremented and decremented u...

  • Page 17: 4  Specification

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 17 4 specification 4.1 frequency coverage: 1mhz - 3ghz (under range to 380khz) bands: range band no frequency (note 1) n (note 2) h 4 1.493ghz to 3.0ghz 1 h 3 755mhz to 1.493ghz 2 h 2 369mhz to 755mhz 4 h 1 184.5mhz to 369mhz 8 h 0 ...

  • Page 18: 4.2  Amplitude

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 18 phase noise (10khz offset), external reference band h4 2ghz -100dbc/hz band h3 1ghz -106dbc/hz band h2 500mhz -112dbc/hz band h1 250mhz -118dbc/hz band h0 125mhz -122dbc/hz residual fm (300hz - 3khz, ext. Reference) band h4 2ghz ...

  • Page 19: 4.3.3  External Fm

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 19 quantization 16bit frequency: 1hz - 20khz step size 1hz deviation: 0hz - 0.5% of centre frequency step size 1hz 4.3.3 external fm input: bipolar 1v peak for calibrated deviation input impedance: 1kohm sampling rate: 40ks/s quanti...

  • Page 20: 4.4  Frequency Sweep

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 20 low range 80db min (note 7) high range 60db min 4.4 frequency sweep type: linear, up start frequency: any, within frequency range stop frequency: any, within frequency range. Must be > start frequency sweep time: 10ms - 50s in 1m...

  • Page 21: 4.8  User Memories

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 21 4.8 user memories 4 user memories plus power on memory. User memories may be programmed or recalled over usb interface, or may be selected in sequence using front panel push button. 4.9 mtbf 100,000 hours 4.10 environmental rohs ...

  • Page 22: 5  Unit Outline

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 22 5 unit outline.

  • Page 23: 6  Accessories

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 23 6 accessories 6.1 plug top supply.

  • Page 24: Appendix A

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 24 appendix a rs232 control codes (all values following command or returned from the microcontroller are hexadecimal unless stated) * = backed up in eeprom fr frequency fr? Returns current centre frequency, frequency step aaaaaaaaaa...

  • Page 25

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 25 fm frequency modulation parameters fm? Returns fm parameters: aaaaaaaaaa bbbbbbbbbb aaaaaaaaaa is decimal frequency deviation in hz bbbbbbbbbb is decimal frequency modulation rate in hz * fmd (space) (string) (carriage return) in...

  • Page 26

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 26 pa phase adjust pa? Returns phase adjustment parameters aaaa aaaa is phase increment in degrees * pa (space) (string) (carriage return) inputs new phase increment pai increments phase pad decrements phase rf rf level rf? Returns ...

  • Page 27

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 27 ss synthesizer status ss? Returns synthesizer parameters aa bb cc dd ee ff gggg aa is lock status bits set: bit0 exact frequency mode bit1 integer mode bit2 external reference bit3 reference synthesizer locked bit4 main synthesiz...

  • Page 28

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 28 er eeprom read ercaaaabb returns bb bytes from starting address aaaa as ascii characters ernaaaabb returns bb bytes from starting address aaaa as hexadecimal numbers (character pairs) dr dump ram draaaabb returns bb bytes from st...

  • Page 29

    Model e6-ss operation manual e6-ss manual a5 29 september 2015 page 29 frequency bands: freq range band >= 1.493172224ghz 1 4 >= 754.974720mhz 1 3 >= 369.098752mhz 1 2 >= 184.549376mhz 1 1 >= 100.000001mhz 1 0 >= 49.807360mhz 0 6 >= 25.165824mhz 0 5 >= 12.582912mhz 0 4 >= 6.291456mhz 0 3 >= 3.145728...