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Radyne SFC1275G Installation And Operation Manual

Manual is about: Synthesized Frequency Downconverter

Summary of SFC1275G

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    Sfc4200/sfc1275g synthesized frequency downconverter installation and operation manual tm054 - rev. 4.0 march, 2002 - notice - 2002, radyne comstream corporation. This manual may not in whole or in part be copied, reproduced, translated or reduced to any electronic or magnetic storage medium without...

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    Latest software revision confirmation when new features are added to radyne comstream corporation equipment, the control parameters are appended to the end of the non-volatile section of the remote communications specification, and status of the features, if any, are added at the end of the volatile...

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    Warranty policy dm240 synthesized frequency downconverter 2.

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    Sfc4200/sfc1275g synthesized frequency downconverter warranty policy tm054 – rev. 4.0 iii radyne comstream corporation warranty policy warranty and service radyne comstream corporation (seller) warrants the items manufactured and sold by radyne comstream corporation to be free of defects in material...

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    Warranty policy sfc4200/sfc1275g synthesized frequency downconverter iv tm054 - rev. 4.0 in no event shall radyne comstream corporation be liable for incidental, consequential, special or resulting loss or damage of any kind howsoever caused. Radyne comstream corporation’s liability for damages shal...

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    Sfc4200/sfc1275g synthesized frequency downconverter record of revisions tm054 - rev. 4.0 v sfc4200/sfc1275g synthesized frequency downconverter installation and operation manual tm054 – record of revisions radyne comstream corporation is constantly improving its products and therefore the informati...

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    Sfc4200/sfc1275g synthesized frequency downconverter vi tm054 - rev. 4.0 this page is intentionally left blank.

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    Sfc4200/sfc1275g synthesized frequency downconverter table of contents tm054 - rev. 4.0 vii table of contents section 1 - introduction 1.0 description______________________________________________________1-1 1.1 protection switch versatility_________________________________________1-2 section 2 - in...

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    Table of contents sfc4200/sfc1275g synthesized frequency downconverter viii tm054 - rev. 4.0 section 4 – user interfaces 4.0 user interfaces __________________________________________________4-1 4.1 front panel user interface__________________________________________4-1 4.1.1 front panel led indicat...

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    Sfc4200/sfc1275g synthesized frequency downconverter table of contents tm054 - rev. 4.0 ix 4.5.7 clear faults command (all) ______________________________________4-22 4.5.8 auto mode command (p1:1, b1:1, b1:8) ____________________________4-22 4.5.9 manual mode command (p1:1, b1:1)___________________...

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    Table of contents sfc4200/sfc1275g synthesized frequency downconverter x tm054 - rev. 4.0 section 6 - maintenance 6.0 periodic maintenance _____________________________________________6-1 6.1 failure analysis __________________________________________________6-1 section 7 - technical specifications ...

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    Sfc4200/sfc1275g synthesized frequency downconverter introduction tm054 - rev. 4.0 1-1 section 1 - introduction 1.0 description this manual discusses the radyne comstream corporation sfc synthesized frequency downconverter family of products (figure 1-1). These include the sfc4200 c-band, and the sf...

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    Introduction sfc4200/sfc1275g synthesized frequency downconverter 1-2 tm054 - rev. 4.0 the sfc downconverters have been designed to provide performance that meets or exceeds all industry standards in effect today for satellite communications earth station frequency converter equipment found worldwid...

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    Sfc4200/sfc1275g synthesized frequency downconverter installation tm054 - rev. 4.0 2-1 section 2 - installation 2.0 installation requirements sfc downconverters are designed to be installed within any standard 19 inch equipment cabinet or rack, and requires 1 rack unit (ru) mounting space (1.75 inch...

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    Installation sfc4200/sfc1275g synthesized frequency downconverter 2-2 tm054 - rev. 4.0 2.5 sfc downconverter interconnections figure 2-1 illustrates a typical interconnection of a sfc downconverter with an rcu101 1:1 protection switch. Figure 2-1. Rcu101 typical interconnection with sfc downconverte...

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    Sfc4200/sfc1275g synthesized frequency downconverter operation tm054 - rev. 4.0 3-1 section 3 - operation 3.0 theory of operation the sfc downconverters have been designed to minimize the amount of hardware in the system while maximizing performance. Spurious performance in the downconverter is crit...

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    Operation sfc4200/sfc1275g synthesized frequency downconverter 3-2 tm054 - rev. 4.0 3.1.1 as/4010 converter first mixer c-band downconverter (sfc4200) the first mixer module of the c-band downconverter accepts the input and has 30 db of digital gain control. Performance specifications for the first ...

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    Sfc4200/sfc1275g synthesized frequency downconverter operation tm054 - rev. 4.0 3-3 lo 1.1125 ghz @ +13 db 1.225 ghz @ +13 db 3.1.3 as/4007 converter first mixer ku-band downconverter (sfc1275g) the first mixer module of the ku-band downconverter accepts the 10.95 – 12.75 ghz downlink and converts i...

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    Operation sfc4200/sfc1275g synthesized frequency downconverter 3-4 tm054 - rev. 4.0 0 db attenuation) lo 2.0 ghz @ +13 db 3.2 as/3048 m&c controller assembly the controller pwb assembly is the controller, which monitors the operator front panel, and remote input used to control the frequency, gain a...

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    Sfc4200/sfc1275g synthesized frequency downconverter operation tm054 - rev. 4.0 3-5 3.3.1 synthesizer module (sfc4200) the 10 mhz reference to the synthesizer is provided by the as/3072 reference assembly. Performance of the synthesizer is listed in table 3-5. Table 3-5. Synthesizer module (sfc4200)...

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    Operation sfc4200/sfc1275g synthesized frequency downconverter 3-6 tm054 - rev. 4.0 as shown in figure 3-2, the phase noise plots showing synthesized and if lo ssb phase noise are representative of the actual phase noise of the sfc4200. Figure 3-2. Phase noise plots.

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    Sfc4200/sfc1275g synthesized frequency downconverter operation tm054 - rev. 4.0 3-7 3.4 as/3072 frequency reference assembly the frequency reference assembly provides high-stability, low-noise reference signals to the synthesizer in the converter system. The assembly also provides a reference output...

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    Operation sfc4200/sfc1275g synthesized frequency downconverter 3-8 tm054 - rev. 4.0 table 3-7. Sfc 1275g/sfc4200 power supply +9 vdc +15 vdc +5 vdc 3048 controller 300 ma 50 ma 3072 ref. Assy 100 ma 300 ma 1 st mix u/c 120 ma 150 ma 2 nd mix u/c 350 ma 90 ma synthesizer 500 ma 850 ma lcd display 180...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-1 section 4 – user interfaces 4.0 user interfaces the front panel may be used to monitor and control the sfc downconverters. 4.1 front panel user interface the front panel of the sfc downconverters allows for com...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-2 tm054 - rev. 4.0 table 4-2. Front panel led indicators led color function power green indicates the presence of primary power and that the on/off switch located on the rear of the chassis is in the on position. Ext ref green th...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-3 channel: the channel field indicates which of 30 user- programmable (frequency and gain) channels is currently active. Gain: the gain field indicates the gain of the converter. By placing the cursor in the gain...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-4 tm054 - rev. 4.0 note: because the backup converter ‘learns’ the frequency, channel, gain and input attenuation from the prime converter, changes to these fields are not allowed for the backup converter. 4.1.3 front panel keypa...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-5 utility menu: allows the operator to access the various utility submenus described below: learn menu (backup converter only): allows the operator to tell the backup converter to ‘learn’ about the primary conver...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-6 tm054 - rev. 4.0 figure 4-2. Prime and single sfc downconverter front panel menu flowchart. Sfc downconverter menu flow charts (prime and single, backup 1:1, and backup 1:8).

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-7 figure 4-3. Backup 1:1 sfc downconverter front panel menu flowchart.

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-8 tm054 - rev. 4.0 figure 4-4. Backup 1:8 sfc downconverter front panel menu flowchart 4.2.1 root menu the root menu appears after the model identification screen, after power-up of the converter. The four fields of this menu inc...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-9 figure 4-5. Root menu the operation of these four fields is as follows: 4.2.1.1 status the status field in the root menu provides an indication of the status of the selected channel. The status fields indicate ...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-10 tm054 - rev. 4.0 4.2.1.2 set/change status status manipulation is performed via the cursor position and the key. To modify the operating status of the converter, first determine if the cursor is blinking. If the cursor is not ...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-11 the cursor will move to the status field. Place the unit back in service by selecting the single indicator in the status field and then depressing . An asterisk (*) will be displayed to the right of the channe...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-12 tm054 - rev. 4.0 these include the following: prime not learned: the backup has not learned about the prime(s). Prime polling error: either the prime did not respond to the backup’s periodic polling, or something in the prime’...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-13 4.2.5 utility access menus depress various utility menus of the converter, depress . The utility access menu will appear as shown in figure 4-9. Figure 4-9. Utility access menu pressing will scroll to the firs...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-14 tm054 - rev. 4.0 4.2.6 switch configuration menu this menu (refer to figure 4-12) is applicable for a 1:8 backup converter. It allows the operator to specify the priority of the various converters. The priority is as follows: ...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-15 the window shown in figure 4-15 indicates that the backup converter was successfully able to ‘learn’ about the primary converter. Figure 4-15. Automatic learning successfully completed window the following win...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-16 tm054 - rev. 4.0 the config field (configuration) indicates the status of the converter and is defined as follows: sngl: indicates that the converter is a standalone unit. 1:1: indicates that the converter is in a one-for-one ...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-17 4.2.10.1 reference offset the reference offset field of the reference menu allows the operator to adjust the frequency of the 10 mhz high stability internal reference and vary the output of the synthesized rf ...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-18 tm054 - rev. 4.0 long term stability of the reference is affected by factors other than temperature. Over days and months, the frequency of the reference will drift at a rate specified as aging. Typical aging rates of 1 to 5 p...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-19 dac value: place the cursor in the dac value field and use the ( ↑↑ ) and ( ↓↓ ) keys to increment or decrement the dac value. Simultaneously, the display will indicate the dac voltage. In a normal calibration...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-20 tm054 - rev. 4.0 4.5 control commands control commands are those commands that alter the setup or operating parameters of the converter. These commands primarily control frequency and gain. Frequency and gain can be altered on...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-21 4.5.3 set channel command (s, p1:1, p1:8) the set channel command allows the remote operator to change the channel and thus the gain and frequency of the converter to one of the 30 preprogrammed channels. To c...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-22 tm054 - rev. 4.0 a primary converter in a 1:8 switch configuration will issue the following string of information: switch configuration: {auto, manually selected, manually de-selected} primary converter number: {01, 02, 03, 04...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-23 note: for a 1:1 switch configuration, if the front panel switch is accidentally left in manual mode, then the following action should be performed: from the remote port, send a manual command to the converter ...

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    User interfaces sfc4200/sfc1275g synthesized frequency downconverter 4-24 tm054 - rev. 4.0 4.5.14 restart (all) this command allows the user to reset/restart the converter. @01/restart 4.5.15 data (all) this command will cause the converter to display the applicable data formats for the various comm...

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    Sfc4200/sfc1275g synthesized frequency downconverter user interfaces tm054 - rev. 4.0 4-25 4.6 sfc downconverter operator quick reference guide table 4-4 lists all of the sfc downconverter commands. Note: in all cases the commands are preceded by a valid address “@01/”. Table 4-4. Sfc downconverter ...

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    Sfc4200/sfc1275g synthesized frequency downconverter electrical interfaces tm054 - rev. 4.0 5-1 section 5 – electrical interfaces 5.0 sfc downconverter connections all sfc downconverter connections are made to labeled connectors. Any connection interfacing to sfc downconverters must be the appropria...

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    Electrical interfaces sfc4200/sfc1275g synthesized frequency downconverter 5-2 tm054 - rev. 4.0 the individual online converters or the backup unit. This interface finds use in both the 1:1 and 1:n configuration type switches. The pinouts of the switch is listed in table 5-1. Table 5-1. J5 – backup ...

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    Sfc4200/sfc1275g synthesized frequency downconverter electrical interfaces tm054 - rev. 4.0 5-3 table 5-2. J6 – equipment rs-485 interface description 10 pin as/3048 (j14) 1 gnd 1 2 srclk 3 3 not connected 5 4 tx not 7 5 tx 9 6 sr dat 2 7 not connected 4 8 rx not 6 9 rx 8 5.8 test/fault (j7) the tes...

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    Electrical interfaces sfc4200/sfc1275g synthesized frequency downconverter 5-4 tm054 - rev. 4.0 5.9 operation serial i/o (j8) the operation serial i/o port (j8) is a d sub 9-pin female connector. This port provides a serial interface that can be configured as either an rs-232, rs-422 or rs-485 inter...

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    Sfc4200/sfc1275g synthesized frequency downconverter electrical interfaces tm054 - rev. 4.0 5-5 figure 5-2 shows the as/3048 controller. Figure 5-3 shows the locations on the controller of the various jumpers required to configure the hardware for rs-232, rs-422, full-duplex rs-485 and half-duplex r...

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    Electrical interfaces sfc4200/sfc1275g synthesized frequency downconverter 5-6 tm054 - rev. 4.0 figure 5-3. Rs-232 operator serial i/o configuration figure 5-4. Rs-422 operator serial i/o configuration.

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    Sfc4200/sfc1275g synthesized frequency downconverter electrical interfaces tm054 - rev. 4.0 5-7 figure 5-5. Full-duplex rs-485 serial i/o configuration figure 5-6. Half-duplex rs-485 serial i/o configuration to prevent data collisions from all the converters responding at once, each converter must b...

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    Electrical interfaces sfc4200/sfc1275g synthesized frequency downconverter 5-8 tm054 - rev. 4.0 5.11 monitor ports the sfc downconverters have monitor ports located on the front panel (figure 5-7) that allow the operator to monitor the if input, rf input and synthesized lo. Figure 5-7. Sfc downconve...

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    Sfc4200/sfc1275g synthesized frequency downconverter electrical interfaces tm054 - rev. 4.0 5-9 figure 5-9. Phase noise plot.

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    Electrical interfaces sfc4200/sfc1275g synthesized frequency downconverter 5-10 tm054 - rev. 4.0 this page is intentionally left blank.

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    Sfc4200/sfc1275g synthesized frequency downconverter maintenance tm054 - rev. 4.0 6-1 section 6 - maintenance 6.0 periodic maintenance radyne comstream corporation sfc downconverters are designed to provide many thousands of hours of continuous operation. Normal aging and drifting of electronic comp...

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    Maintenance sfc4200/sfc1275g synthesized frequency downconverter 6-2 tm054 - rev. 4.0 this page is intentionally left blank.

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    Sfc4200/sfc1275g synthesized frequency downconverter technical specifications tm054 - rev. 4.0 7-1 section 7 - technical specifications 7.0 introduction this section defines the technical performance parameters and specifications for the sfc synthesized frequency downconverters 7.1 input characteris...

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    Technical specifications sfc4200/sfc1275g synthesized frequency downconverter 7-2 tm054 – rev. 4.0 sfc1275g third order intercept: +30 dbm -48 dbc imd two tones with 0 dbm combined output power am/pm conversion: 0.1 ° /db image rejection: > 80 db group delay: linear: 0.025 nsec/mhz parabolic: 0.005 ...

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    Sfc4200/sfc1275g synthesized frequency downconverter technical specifications tm054 - rev. 4.0 7-3 7.8 operator interface remote m&c interface: operator serial port configurable to rs-232, rs-422, or rs-485 remote features: frequency, gain, and channel control status reports signal strength monitori...

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    Technical specifications sfc4200/sfc1275g synthesized frequency downconverter 7-4 tm054 – rev. 4.0 this page is intentionally left blank.

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    Sfc4200/sfc1275g synthesized frequency downconverter appendices tm054 - rev. 4.0 8-1 this page is intentionally left blank.

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    Appendices sfc4200/sfc1275g synthesized frequency downconverter 8-2 tm054 – rev. 4.0 this page is intentionally left blank.