E.F. Johnson Company CONVENTIONAL VOTING RECEIVER User Manual Download Page 99

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900 MHz RECEIVER

5-9

July 2000

Part No. 001-2000-720

5. The voltage on U209, pin 6 (TP2) should be

> 2V DC.

6. Record the voltage on J201, pin 13 (TP5) ____.

7. If the voltages recorded in Steps 3 and 6 are not

within

0.2V, tune L224 as required to balance the

voltage readings.

8. The Synthesizer is reprogrammed for the Receive

Channel.

5.3.6 FRONT END ADJUSTMENTS

1. Set the signal generator to the Receive Channel at a

level sufficient to produce an output voltage on
J201, pin 7 (TP3) (RSSI Output).

2. Tune L204, L205, L206, L201, L202, L203 and

L204 for a peak voltage on J201, pin 7 (TP3).
Decrease the generator output level to maintain a
2-3V reading at J201, pin 7.

3. Set the generator to 1000

V with a 1 kHz tone at

1.5 kHz deviation (100

V at the Rx antenna with

20 dB pad on the generator).

4. Tune the Quadrature detector coil Z213 for maxi-

mum AC voltage on J201, pin 9 (TP4).

5. Adjust R264 for 387 mV RMS,

5 mV RMS, on

J201, pin 9.

6. Adjust R284 for 2V DC

0.05V DC on J201, pin 9

(TP4).

7. Measure the distortion on pin J201, pin 9 (TP4)

(analog tuning meter is preferred).

8. Tune C207, L209, L211 and L225 for peak voltage

on J201, pin 7 (TP3). Decrease the generator output
level to maintain 2-3V.
Distortion should be <5% (typically < 3%).

9. Repeat Steps 4, 5 and 6.

5.3.7 AUDIO DISTORTION

1. Plug a 16 ohm load at J204 on the RDM.

2. Connect a distortion analyzer to the 16 ohm load.

3. Measure the distortion of the receive audio at J204

on the RDM with the local volume control set to
2.8V RMS.

4. The reading should be < 3% (typically <1%).

5. Measure receive sensitivity at J204 on the RDM.

6. The reading should be < 0.35

V (typ. 0.25

V).

7. The software programs the synthesizer for

3 MHz above the Receive Channel.

8. Receive sensitivity should be less than 0.35

(typically less than 0.30

V).

9. The software programs the synthesizer for

3 MHz below the Receive Channel.

10.Receive sensitivity should be less than 0.35

(typically less than 0.30

V).

11. The software programs the synthesizer for the

Receive Channel.

Summary of Contents for CONVENTIONAL VOTING RECEIVER

Page 1: ... 1 February 1996 Part No 001 3039 505 CONVENTIONAL VOTING RECEIVER First Printing July 2000 Part No 001 2000 720 7 00mwp Printed in U S A ...

Page 2: ... 2 February 1996 Part No 001 3039 505 ...

Page 3: ...s authority to operate this equipment FCC rules 47CFR Part 15 19 DO NOT allow the antenna to come close to or touch the eyes face or any exposed body parts while the radio is transmitting DO NOT operate the radio near electrical blasting caps or in an explosive atmosphere DO NOT operate the radio unless all the radio frequency connectors are secure and any open connectors are properly terminated D...

Page 4: ... 4 February 1996 Part No 001 3039 505 ...

Page 5: ... PROGRAMMING 2 8 2 3 VHF RECEIVER ALIGNMENT 2 10 PRETEST 2 10 VOLTAGE MEASUREMENTS 2 10 PROGRAM TUNE UP CHANNEL 2 10 RECEIVER FREQUENCY ADJUST 2 11 VCO TEST 2 11 FRONT END ADJUSTMENTS 2 11 AUDIO DISTORTION 2 12 2 4 FULL CVR TEST 2 12 VOLTAGE MEASUREMENTS 2 12 RECEIVER FREQUENCY CHECK 2 12 VOTER INTERFACE 2 14 3 UHF RECEIVER 3 1 RECEIVER PROGRAMMING 3 1 2004PGMR PROGRAMMER 3 1 ALIGNMENT SOFTWARE 3 ...

Page 6: ... 4 1 FILE MENU 4 1 EDIT 4 3 TRANSFER 4 4 HARDWARE 4 5 TEST 4 5 UTILITIES 4 6 CVR PROGRAMMING 4 7 4 3 800 MHz RECEIVER ALIGNMENT 4 8 PRE TEST 4 8 PROGRAM TUNE UP CHANNEL 4 8 TCXO FREQUENCY ADJUST 4 8 VCO TEST 4 9 FRONT END ADJUSTMENTS Rev 5 4 9 FRONT END ADJUSTMENTS Rev 6 4 9 AUDIO DISTORTION 4 9 4 4 FULL CVR TEST 4 10 VOLTAGE MEASUREMENTS 4 10 RECEIVER FREQUENCY CHECK 4 10 VOTER INTERFACE 4 11 5 9...

Page 7: ...KIT 495 8 1 A 800 MHz RECEIVER CHANNEL FREQUENCY CHART INDEX LIST OF FIGURES 1 1 VOTER SYSTEM 1 1 1 2 5 CHANNEL LOCAL SITE 1 2 1 3 5 CHANNEL REMOTE SITE 1 3 1 4 5 SITE 4 CHANNEL VOTER SYSTEM BLOCK DIAGRAM 1 4 2 1 CVR TEST MENU 2 1 2 2 FILE MENU 2 1 2 3 LOAD FILE 2 2 2 4 SAVE FILE 2 2 2 5 EDIT PROGRAMMING FLOWCHART 2 2 2 6 EDIT MENU 2 3 2 7 SETUP PARAMETERS 2 3 2 8 REPEATER LIST 2 3 2 9 REPEATER TY...

Page 8: ...PEATER LIST 3 3 3 9 REPEATER TYPE SELECTION 3 3 3 10 DELETE REPEATER 3 3 3 11 TRANSFER MENU 3 4 3 12 WRITE SETUP PARAMETERS 3 4 3 13 PROGRAM WRITE SETUP 3 4 3 14 READ SETUP PARAMETERS 3 4 3 15 READING SETUP 3 4 3 16 HARDWARE PROGRAMMING FLOWCHART 3 4 3 17 HARDWARE MENU 3 5 3 18 RF LINE MONITOR FOR CVR 3 5 3 19 REVISION VERSION 3 5 3 20 TEST MENU 3 5 3 21 TEST PROGRAMMING FLOWCHART 3 6 3 22 CVR TO ...

Page 9: ...12 4 29 800 MHz RECEIVER ALIGNMENT POINTS REVISION 6 4 12 4 30 800 MHz RECEIVER TEST SETUP 4 13 4 31 800 MHz VCO 4 19 4 32 800 MHz RECEIVER COMPONENT LAYOUT 4 20 4 33 800 MHz RECEIVER SCHEMATIC 4 21 5 1 CVR TEST MENU 5 1 5 2 FILE MENU 5 1 5 3 LOAD FILE 5 1 5 4 SAVE FILE 5 2 5 5 EDIT PROGRAMMING FLOWCHART 5 2 5 6 EDIT MENU 5 3 5 7 SETUP PARAMETERS 5 3 5 8 REPEATER LIST 5 3 5 9 REPEATER TYPE SELECTI...

Page 10: ... COMPONENT LAYOUT OPP COMP SIDE 6 8 6 3 RDM INTERFACE BOARD SCHEMATIC 1 OF 2 6 10 6 4 RDM INTERFACE BOARD SCHEMATIC 2 OF 2 6 11 7 1 VOTER DRAWER FRONT VIEW 7 1 7 2 VOTER DRAWER REAR VIEW 7 1 8 1 RECEIVER SITE POWER SUPPLY COMPONENT LAYOUT 8 2 8 2 RECEIVER SITE REDUNDANT KIT 8 2 8 3 RECEIVER SITE POWER SUPPLY SCHEMATIC 8 3 8 4 RECEIVER SITE REDUNDANT KIT SCHEMATIC 8 3 8 5 REDUNDANT PLATE 8 3 LIST O...

Page 11: ...ystem block diagram 1 2 1 CONVENTIONAL VOTING RECEIVER The CVR Conventional Voting Receiver is the Receiver and Interface board The CVR decodes the condition of the squelch line open or closed from the receiver In the Remote site the audio is then passed to the Voter Module In the Local Site the CVRs are hard wired to the Voter Module 1 2 2 VOTER POWER SUPPLY Each Voter Power Supply VPS has the ca...

Page 12: ...1 2000 720 Figure 1 2 5 CHANNEL LOCAL SITE BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER CVR CVR CVR CVR CVR JPS JPS JPS JPS JPS POWER SUPPLY PRIMARY SECONDARY ...

Page 13: ...Part No 001 2000 720 Figure 1 3 5 CHANNEL REMOTE SITE BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER BOARD INTERFACE RECEIVER CVR CVR CVR CVR CVR POWER SUPPLY PRIMARY SECONDARY ...

Page 14: ...LOCAL SITE CVR 1 1 CVR 1 2 CVR 1 3 CVR 1 4 CVR 2 1 CVR 2 2 CVR 2 3 CVR 2 4 CVR 3 1 CVR 3 2 CVR 3 3 CVR 3 4 CVR 4 1 CVR 4 2 CVR 4 3 CVR 4 4 CVR 1 5 CVR 2 5 CVR 3 5 CVR 4 5 CVR 1 CVR 2 CVR 3 CVR 4 AUDIO BUS CVR 1 CVR 2 CVR 3 CVR 4 AUDIO BUS CVR 1 CVR 2 CVR 3 CVR 4 AUDIO BUS CVR 1 CVR 2 CVR 3 CVR 4 VOTER BASE STATION VOTER BASE STATION VOTER BASE STATION VOTER BASE STATION CHNL 1 CHNL 2 CHNL 3 CHNL 4...

Page 15: ...0 C to 60 C 22 F to 142 F at 20 to 80 humidity noncondens ing Average Power 26 modules x 6 1W 0 7 efficiency 227W Average Heat 227W x 3 6 817 BTU per hour MODULES CVR Dimensions 14 5 W x 17 625 D x 3 5 H Average Power and Current 15V DC at 0 5A 6 9W Environment 30 C to 60 C 22 F to 142 F at 20 to 80 humidity noncondens ing ...

Page 16: ...INTRODUCTION 1 6 July 2000 Part No 001 2000 720 ...

Page 17: ...rogram alignment points diagrams and test setup diagrams Figure 2 1 CVR TEST MENU 2 1 3 HELP F1 Help screens are available for most parameters and options in this program Whenever a parameter or options clarification is needed press F1 and if a help screen is available it will pop up on the screen Press Escape ESC to exit the pop up screen 2 2 PULL DOWN MENUS 2 2 1 MENU DISPLAYS The menus availabl...

Page 18: ... Single CVR Print the data for the entered CVR number NOTE A list of valid CVRs can be seen under the Edit Select Repeater menu selection DOS Shell Temporarily suspends the program and returns to DOS Directories and other DOS commands can be performed To return to the program from DOS type EXIT and press Enter Quit ALT X Quit exits the CVR program and returns to DOS Be sure all files are saved bef...

Page 19: ...d with the freuqency that it is operating on VHF Frequency Step Using the space bar select either 5000 Hz or 6250 Hz for allowable frequency spacing EXAMPLE 1 A receive frequency of 163 055 MHz would have a local oscillator LO frequency of 163 055 MHz 52 95 MHz 216 005 MHz Divide 216005000 by 5000 43201 00 Divide 216005000 by 6250 26088 80 Since 43201 is an integer select 5000 EXAMPLE 2 A receive ...

Page 20: ... a file to the repeater and programs the EEPROM memory in the Interface board Figure 2 12 WRITE SETUP PARAMETERS Figure 2 13 PROGRAM WRITE SETUP Read Setup Parameters This command reads the contents of the EEPROM memory of the Interface board and loads it into a buffer The contents of the buffer is then dis played to show the programming of the repeater Figure 2 14 READ SETUP PARAMETERS Figure 2 1...

Page 21: ...ned as follows Synthesizer Lock Lines Yes or No Wideband Audio Output approx 200 LO Injection approx 250 RSSI 20 150 Values with no label are the actual A to D reading Figure 2 18 RF LINE MONITOR FOR CVR Revision Version The Revision Version is displayed for the repeater modules The format for all modules is R V revi sion version The MPC information also includes the software release date and the ...

Page 22: ...usy therefore it is important to place the repeater in Normal mode when the test mode is no longer required Figure 2 20 TEST PROGRAMMING FLOWCHART All Test Receiver Test TCXO Frequency Adjust Audio Distortion Hum Noise Measurement SINAD Measurement Squelch Adjust Data Level Adjust Miscellaneous Tests Receiver TEST All Receive Tests All Operational Tests Handshake Test Alarm Test Full Rptr Station ...

Page 23: ...level adjustments for the CVR Interface Board Refer to Figure 2 28 for an alignment points diagram for the Interface Board CVR To Voter Interface Figure 2 22 CVR TO VOTER INTERFACE This menu selection walks through the alignment of the audio output level setting of the receiver 2 2 7 UTILITIES Figure 2 23 UTILITIES MENU COM Port This is the COM port used to send and receive data from the Repeater ...

Page 24: ... edited 1 Highlight EDIT press Enter 2 Highlight SELECT REPEATER press Enter 3 Default is the only repeater in this list press Enter 4 Highlight EDIT press Enter 5 Highlight SETUP PARAMETERS press Enter 6 The Setup Parameters screen appears see Figure 2 30 Fill in the parameters for this repeater A brief description of the parameters is in Table 2 1 Full descriptions are in Section 2 2 3 7 Select ...

Page 25: ...t SAVE press Enter 11 Repeater 2 is added to the Repeater List in file site1 dat Table 2 1 CVR SETUP PARAMETERS Parameter Response Description Repeater Number 1 30 Each receiver is assigned a number from 1 30 for reference Receive Frequency VHF UHF 800 MHz Each receiver is programmed with a frequency or channel number that it is operating on VHF Frequency Step 5000 Hz 6250 Hz This is the allowable...

Page 26: ... frequency 2 Tune the VCO inductor L102 for 7V DC 0 05V at TP401 Increase the receive frequency by 1 MHz The voltage on TP401 shall be less than 15V Decrease the receive frequency by 1 MHz The voltage on TP401 shall be greater than 2 5V 3 Alternately tune CV151 and CV152 in small incre ments until a voltage is measured at TP401 At that time tune CV151 for a peak then CV152 for a peak 4 Retune CV15...

Page 27: ...or output level to maintain a 2 3V reading at TP201 FOR 15 kHz CHANNELS NOTE Perform this test if CV211 and CV212 are placed on the board 1 Set the generator to an RF level sufficient to produce 2V DC at TP201 2 Remove any modulation from the signal generator 3 Increase the signal generator RF frequency 2 5 kHz 4 Adjust CV211 for peak DC voltage at TP201 5 Adjust CV212 for peak DC voltage at TP201...

Page 28: ...ftware programs the synthesizer for 1 MHz below the Receive frequency 10 Receive sensitivity should be less than 0 35 µV Typically less than 0 30 µV 11 Adjust the signal generator level to produce 15 dB SINAD 12 Adjust RV201 for 0 5V 0 02V at TP201 2 4 FULL CVR TEST 1 Select TEST FULL RPTR STATION CVR and press Enter NOTE All audio generators and audio voltmeters are unbalanced unless specifically...

Page 29: ...n the Interface Board adjust R222 so the Receiver just squelches 6 Increase the RF generator output until the Receiver unsquelches Reading should be 10 dB SINAD Receiver Data Level Adjustment 1 Adjust the RF generator for 100 µV into the receiver with a 100 Hz tone at 1 kHz 2 Insert voltmeter probes into J202 on the Interface Board and connect to an AC voltmeter 3 Adjust R248 to achieve 340 mV RMS...

Page 30: ...ne Direct Connect default 12 dBm 194 mV RMS Microwave T1 optional 28 dBm 31 mV RMS Table 2 2 ALARMS Display No Definition 0 1 2 3 4 5 6 7 8 9 A B C D E F Test Mode Not Used Normal Operation Revert Operation Receiving Data Not Used Not Used Receive Synthesizer Out of Lock High Stability Synth Out of Lock Data Processor Failure Not Used Not Used Downloading Code Not Used Erasing Code Failure Figure ...

Page 31: ...U203 U201 Z206 Z205 Z212B Z212A CV212 L216 L214 L213 L211 L201 L203 L206 L204 U101 CV211 Q211 CV212 Q201 J203 CV201 Z202B Z202A Z211A Z211B Z201B Z201A FL102 FL201 Q134 Q133 Q101 Q102 Q204 Y201 U304 U301 Q403 Q405 U303 U401 Q409 Q406 Q407 Q408 Q410 Q411 FL101 A201 Q402 Q401 Q404 Q132 Q131 TP401 TP102 CV152 CV151 L141 L140 CV106 CV105 L110 L109 CV104 L108 CV103 CV102 L104 L103 CV101 L102 ...

Page 32: ...CV212 Q201 J203 CV201 Z202B Z202A Z211A Z211B Z201B Z201A FL102 FL201 Q134 Q133 Q101 Q102 Q204 Y201 U304 U301 Q403 Q405 U303 U401 Q409 Q406 Q407 Q408 Q410 Q411 FL101 A201 Q402 Q401 Q404 Q132 Q131 TP401 TP102 CV152 CV151 L141 L140 CV106 CV105 L110 L109 CV104 L108 CV103 CV102 L104 L103 CV101 L102 FREQUENCY COUNTER OSCILLOSCOPE AUDIO DISTORTION ANALYZER HP 334A AC VOLTMETER VOLTMETER DC COMMUNICATION...

Page 33: ...ip 022 3908 068 C 111 47 pF 50V ceramic chip 022 3908 105 C 112 10 pf 50V ceramic chip 022 3908 092 C 113 1000 pf 50V ceramic chip 022 3908 068 SYMBOL PART NUMBER DESCRIPTION NUMBER C 114 15 pf 50V ceramic chip 022 3908 096 C 115 1000 pf 50V ceramic chip 022 3908 068 C 116 1000 pf 50V ceramic chip 022 3908 068 C 118 22 µF 25V electrolytic 022 3908 016 D 101 Varactor 022 3908 119 L 101 10 µH induct...

Page 34: ...085 C 215 8 pF 50V ceramic chip 022 3908 089 C 216 4 pF 50V ceramic chip 022 3908 084 C 218 01 µF 50V ceramic chip 022 3908 070 SYMBOL PART NUMBER DESCRIPTION NUMBER C 219 1 µF 50V ceramic chip 022 3908 114 C 220 1 µF 50V ceramic chip 022 3908 114 C 221 1000 pF 50V ceramic chip 022 3908 068 C 223 1000 pF 50V ceramic chip 022 3908 068 C 225 1 µF 50V ceramic chip 022 3908 114 C 226 1000 pF 50V ceram...

Page 35: ...022 3908 114 C 438 4 7 µF 20V tantalum chip 022 3908 160 C 439 100 pF 50V ceramic chip 022 3908 093 C 440 01 µF 50V ceramic chip 022 3908 070 C 441 100 pF 50V ceramic chip 022 3908 093 C 443 100 pF 50V ceramic chip 022 3908 093 C 444 10 pF 50V ceramic chip 022 3908 090 C 445 1 µF 50V ceramic chip 022 3908 114 SYMBOL PART NUMBER DESCRIPTION NUMBER C 446 12 pF 50V ceramic chip 022 3908 095 C 447 1 µ...

Page 36: ...009 SYMBOL PART NUMBER DESCRIPTION NUMBER Q 405 PNP SOT 23 022 3908 005 Q 406 NPN SOT 23 022 3908 008 Q 407 PNP SOT 23 022 3908 005 Q 408 PNP SOT 23 022 3908 005 Q 409 NPN SOT 23 022 3908 008 Q 410 NPN SOT 23 022 3908 010 Q 411 NPN SOT 23 022 3908 010 R 105 200 ohm 1 2W chip 022 3908 142 R 106 200 ohm 1 2W chip 022 3908 142 R 107 47 ohm 1 8W chip 022 3908 049 R 108 47 ohm 1 8W chip 022 3908 049 R ...

Page 37: ...chip 022 3908 029 R 426 10k ohm 1 8W chip 022 3908 029 R 427 1k ohm 1 8W chip 022 3908 028 R 428 1k ohm 1 8W chip 022 3908 028 R 429 820 ohm 1 8W chip 022 3908 064 SYMBOL PART NUMBER DESCRIPTION NUMBER R 430 220 ohm 1 8W chip 022 3908 039 R 431 47 ohm 1 8W chip 022 3908 049 R 432 47k ohm 1 8W chip 022 3908 052 R 433 100k ohm 1 8W chip 022 3908 030 R 434 33k ohm 1 8W chip 022 3908 046 R 435 3 3k oh...

Page 38: ...5 MHz crystal filter 532 0009 009 Z 202 52 95 MHz crystal filter 532 0009 009 Z 204 450 kHz cer filter SFG4560D 532 2004 013 Z 205 450 kHz cer filter SFG4560D 532 2004 013 Z 206 450 kHz variable coil 022 3908 120 Z 211 52 95 MHz crystal filter 532 0009 011 Z 212 52 95 MHz crystal filter 532 0009 011 Z 214 450 kHz cer filter SFG4560D 532 2004 015 Z 215 450 kHz cer filter SFG4560D 532 2004 015 Z 216...

Page 39: ...02 CONTROL INPUT C101 100pF D101 C102 2pF C104 7pF R101 10k R102 22k C105 56pF C106 56pF Q101 2SC3356 L103 1 F R103 470 R110 100 L104 0 1 F WO102 RF OUTPUT 12V DC WO 103 GND 1 RESISTORS ARE IN OHMS AND CAPACITORS IN PICOFARADS UNLESS OTHERWISE SPECIFIED L101 10 H L102 WO 101 R104 47 R105 100 C108 1000pF C109 1 F C107 10pF Q103 2SC3356 R106 3 3k R109 560 C110 1000pF R107 3 3k C111 47pF C112 10pF Q1...

Page 40: ...53 C152 R142 C147 C145 C102 C104 C169 C156 R152 R153 R154 C159 R151 R148 R147 C151 R144 C146 R140 C311 C149 C150 R146 R145 R143 CR131 C148 C284 C283 C278 R261 C275 C281 C401 R403 C282 C280 R260 C276 R259 R258 L224 L223 L222 Q204 CR401 C277 Y201 U304 C316 C315 C318 C317 U301 Q403 Q405 CR402 U303 C302 C303 C414 L401 L403 L402 C301 C415 C413 R414 R406 C406 R407 C407 R409 R408 C405 R410 R411 R412 C412...

Page 41: ...SPECIFIED 12V SOURCE C313 001 C314 4 7 C312 2 2 C311 001 15V A201 L101 RF IN RF AMP MIXER 52 95 MHz 4 POLE CRYSTAL FILTER 52 95 MHz 4 POLE CRYSTAL FILTER IF AMP C250 6pF C252 3 9 C101 10pF C102 10pF R107 47 5 2 1 3 J203 C242 001 C201 10pF C202 39pF L201 Z201A Z201B CV201 1 5 5pF C203 5pF L202 22 C205 39pF L203 C206 10pF R201 1 8k R202 680 R203 47 C211 1 R204 220 C208 01 C207 4 7 C210 8pF C212 39pF...

Page 42: ...2 26 July 2000 Part No 001 2000 720 ...

Page 43: ...setup diagrams Figure 3 1 CVR TEST MENU 3 1 3 HELP F1 Help screens are available for most parameters and options in this program Whenever a parameter or options clarification is needed press F1 and if a help screen is available it will pop up on the screen Press Escape ESC to exit the pop up screen 3 2 PULL DOWN MENUS 3 2 1 MENU DISPLAYS The menus available are listed at the top of the screen Move...

Page 44: ...ata for all valid CVRs Single CVR Print the data for the entered CVR number NOTE A list of valid CVRs can be seen under the Edit Select Repeater menu selection DOS Shell Temporarily suspends the program and returns to DOS Directories and other DOS commands can be performed To return to the program from DOS type EXIT and press Enter Quit ALT X Quit exits the CVR program and returns to DOS Be sure a...

Page 45: ... Repeater Number Each CVR is programmed with a repeater num ber from 1 30 for reference Number selection can be arbitrary as long as each CVR is assigned a different number Receiver Frequency Each CVR is programmed with the frequency that it is operating on Select Repeater Select the repeater number to be programmed or edited from the pop up menu see Figure 3 8 Move the cursor with the arrow keys ...

Page 46: ...loads it into a buffer The contents of the buffer is then dis played to show the programming of the repeater Figure 3 14 READ SETUP PARAMETERS Figure 3 15 READING SETUP Program Rptr 1 Ok Cancel Programming Setup Parameters Count 1 Ok Cancel Read Setup Parms Reading Setup Parameters Attempting access to Repeater Figure 3 16 HARDWARE PROGRAMMING FLOWCHART Data Received From Radio Data Transmitted to...

Page 47: ...reen places the repeater either in the normal mode or the test mode In the Normal mode the repeater operates as a normal repeater In the Test mode the repeater transmits a test word This test word is the Test Mode ID set up in the Setup Parameters see Table 3 1 While in the test mode the repeater is busy therefore it is important to place the repeater in Normal mode when the test mode is no longer...

Page 48: ...ustment Local Site Only Full CVR This menu selection walks through the alignment of the entire CVR The Receiver portion is perfor mance tests and adjustments The Audio and Data por tions are level adjustments for the CVR Interface Board Refer to Figure 3 29 for an alignment points diagram for the Interface Board CVR To Voter Interface Figure 3 22 CVR TO VOTER INTERFACE This menu selection walks th...

Page 49: ...he question Figure 3 27 USER LEVEL 3 2 8 CVR PROGRAMMING Creating A New File An example will be used to show the program ming for a new file created for Site 1 NOTE At any point in the programming sequence if F1 is selected a help screen appears to explain the menu selection highlighted at that point Select CVR To Edit A CVR is selected to program When no file exists with programmed CVRs the defau...

Page 50: ...o the Repeater List in file site1 dat 3 3 UHF RECEIVER ALIGNMENT C R I T I C A L A D J U S T M E N T The TCXO must be adjusted within 5 minutes of turn ing the AC power on to the repeater Do not under any circumstances try to set frequency later on in any of the tests as TCXO frequency stability cannot then be guaranteed Refer to Figure 3 28 for component locations Refer to Figure 3 30 for equipme...

Page 51: ...Frequency and Synthesizer Frequency appear at the bottom of the screen 3 3 4 RECEIVER FREQUENCY ADJUST 1 Place a pick up loop sniffer or RF probe connected to a frequency counter near L139 2 Set Y401 TCXO for the Injection Frequency 50 Hz Inj Freq chnl freq 52 95 MHz 3 3 5 VCO TEST 1 The software programs the synthesizer for 1 MHz above the receive channel 2 The voltage on TP401 should be 10V 3 Re...

Page 52: ...the receiver to interface cable 20 pin from J201 of the Interface board 2 Apply power to the Interface board 3 Measure the voltages at the following pins U221 pin 1 12V DC 0 4V U223 pin 2 9V DC 0 4V U224 pin 2 5V DC 0 2V U204 pin 7 1 25V DC 0 06V Junction of L202 C279 5V DC 0 4V 4 Apply power to the Receiver by plugging the 20 pin cable from the Interface Board into J201 see Figure 3 28 3 4 2 RECE...

Page 53: ... mV RMS 7 1 dBm Receiver RSSI Adjustment NOTE Use this procedure only when an audio analyz er is unavailable 1 Adjust the RF generator for 0 29 µV into the Receiver with a 1 kHz tone at 3 kHz 2 Adjust R261 in the Receiver for 0 8V DC 0 02V DC at TP3 Receiver Miscellaneous Tests Optional Several additional tests may be performed on the Receiver as listed below Signal Displacement Bandwidth Adjacent...

Page 54: ...ver with a 1 kHz tone at 1 5 kHz 2 Connect a balanced AC voltmeter between J205 pin 2 and J206 pin 2 Connect a 600 ohm termina tion to the meter terminals or across J101 pins 5 6 3 Adjust R271 on the Interface Board for the type of line Leased Line Direct Connect default 12 dBm 194 mV RMS Microwave T1 optional 28 dBm 31 mV RMS ...

Page 55: ...8 RECEIVER ALIGNMENT POINTS 2 1 19 20 Y201 J201 TP201 TP202 TP101 U304 U301 U303 TP501 R402 R403 TP401 L201 L203 C204 C239 C249 L204 L206 C214 Z205 Z215 TP205 R216 R248 U302 TP203 J204 J205 R219 R221 R220 R253 TP204 L139 L102 L104 L103 L108 L109 L110 L140 L141 ...

Page 56: ...rator to 100 µV into the receiver with a 1 kHz tone at 3 kHz deviation 1000 µV at the generator with 20 dB pad gives 100 µV at the receive antenna 8 Tune Z205 for 2V 0 05V at U201 pin 9 9 Tune R220 for 387 mV RMS 5 mV RMS at TP202 10 Adjust R216 for 2V 0 05V at TP202 11 Connect a distortion analyzer to TP202 12 Tune L201 L203 L204 and L206 for minimum distortion 5 typically 3 13 Repeat Step 12 the...

Page 57: ...J207 J211 J212 1 2 3 J213 J214 1 13 FREQUENCY COUNTER OSCILLOSCOPE AUDIO DISTORTION ANALYZER HP 334A AC VOLTMETER VOLTMETER DC COMMUNICATIONS SERVICE MONITOR INTERFACE BOARD RECEIV ER RECEIV ER RECEIV ER RECEIV ER 2 1 19 20 J201 Y201 L201 L203 C204 C239 C249 L204 L206 C214 Z205 Z215 TP205 R216 R248 U302 J205 R219 R221 R220 R253 TP204 J204 TP203 R403 R402 TP501 U304 TP101 TP202 TP201 L139 TP401 U30...

Page 58: ... 68 pF 5 NPO 0805 chip 510 3601 680 C 812 15 µF 20V tantalum SMD 510 2626 150 C 813 68 pF 5 NPO 0805 chip 510 3601 680 C 814 68 pF 5 NPO 0805 chip 510 3601 680 SYMBOL PART NUMBER DESCRIPTION NUMBER CR801 Varactor SOD 323 BB535 523 5005 022 CR802 Varactor SOD 323 BB535 523 5005 022 J 001 2 pin PC mount wafer 515 9031 101 J 002 2 pin PC mount wafer 515 9031 101 J 003 4 pin PC mount wafer 515 9031 10...

Page 59: ... 5 NPO 1206 510 3602 390 C 203 4 7 pF 5 NPO 1206 510 3602 479 C 204 1 5 5 pF ceramic SMD 510 1602 001 C 205 39 pF 5 NPO 1206 510 3602 390 C 206 10 pF 5 NPO 1206 chip 510 3602 100 SYMBOL PART NUMBER DESCRIPTION NUMBER C 207 01 µF 10 X7R chip 510 3606 103 C 208 4 7 pF 5 NPO 1206 510 3602 479 C 209 001 µF 5 NPO 1206 chip 510 3602 102 C 210 10 pF 5 NPO 1206 chip 510 3602 100 C 211 01 µF 10 X7R chip 51...

Page 60: ... 3602 101 C 406 01 µF 10 X7R 1206 510 3606 103 C 407 001 µF 5 NPO 1206 chip 510 3602 102 C 408 01 µF 5 NPO 1206 chip 510 3602 103 C 409 01 µF 5 NPO 1206 chip 510 3602 103 C 410 001 µF 5 NPO 1206 chip 510 3602 102 C 411 1 µF 10 X7R 510 3606 104 SYMBOL PART NUMBER DESCRIPTION NUMBER C 412 1 µF 10 X7R 510 3606 104 C 413 01 µF 10 X7R 1206 510 3606 103 C 414 6 8 µF 35V tantalum SMD 510 2628 689 C 415 1...

Page 61: ...42 1012 015 L 205 82 µH SMD inductor 542 9001 828 L 206 1 µH 6 variable inductor 542 1012 015 L 211 1 µH 6 variable inductor 542 1012 015 L 212 82 µH SMD inductor 542 9001 828 L 213 1 µH 6 variable inductor 542 1012 015 SYMBOL PART NUMBER DESCRIPTION NUMBER L 214 1 µH 6 variable inductor 542 1012 015 L 215 82 µH SMD inductor 542 9001 828 L 216 1 µH 6 variable inductor 542 1012 015 L 222 1 µH induc...

Page 62: ... 5k ohm SMD top adjust 562 0135 502 R 217 10k ohm 5 1206 SMD 569 0115 103 R 218 10k ohm 5 1206 SMD 569 0115 103 SYMBOL PART NUMBER DESCRIPTION NUMBER R 219 5k ohm SMD top adjust 562 0135 502 R 220 5k ohm SMD top adjust 562 0135 502 R 221 5k ohm SMD top adjust 562 0135 502 R 233 1 8k ohm 5 1206 SMD 569 0115 182 R 234 680 ohm 5 1206 SMD 569 0115 681 R 235 51 ohm 5 1206 SMD 569 0115 510 R 236 220 ohm...

Page 63: ... 447 150 ohm 5 1206 SMD 569 0115 151 R 448 36 ohm 5 1206 SMD 569 0115 360 RT202 1k ohm 5 chip thermistor 569 3013 002 RT204 1k ohm 5 chip thermistor 569 3013 002 SYMBOL PART NUMBER DESCRIPTION NUMBER TP101 Red vertical tip jack 0 08 105 2202 211 TP201 Red vertical tip jack 0 08 105 2202 211 TP202 Red vertical tip jack 0 08 105 2202 211 TP203 Red vertical tip jack 0 08 105 2202 211 U 101 Mixer LRMS...

Page 64: ...UHF RECEIVER 3 22 July 2000 Part No 001 2000 720 ...

Page 65: ... 200 7 5pF 7 5pF OSCILLATOR 3636 68pF R805 68pF 68pF 68pF 12V 10 CAPACITIVE MULTIPLIER NOTES 1 RESISTORS ARE IN OHMS AND CAPACITORS IN MICROFARADS UNLESS OTHERWISE SPECIFIED L805 J2 2 1 GROUND 12V J3 4 3 2 1 GROUND GROUND CONTROL IN MOD IN C805 L802 CR802 CR801 C804 L801 2 2 2 R806 R807 C806 2 Q802 C808 C807 L804 R808 C809 FREQUENCY RANGE COMPONENT SEE PARTS LIST 10 R803 C810 C811 L803 C814 C813 R...

Page 66: ...24 C522 R528 R520 C517 C515 C519 R521 R522 R404 R405 R305 C404 R516 R514 C516 R303 R302 R301 C301 R304 C305 R519 C513 C401 R403 R402 C523 C514 C524 C403 R523 C526 C527 R406 C406 C530 R524 C525 C407 R407 R409 R408 C405 R527 R526 C529 R525 C528 R518 R517 U301 U502 1 4 5 8 1 10 11 20 TP 501 C279 L140 CH202 C314 C161 C312 C158 C311 C159 C160 C169 L136 C156 R151 C313 R154 R153 L138 R149 R147 C155 L137 ...

Page 67: ... 52 95 MHz 4 POLE CRYSTAL FILTER 52 95 MHz 4 POLE CRYSTAL FILTER IF AMP C250 5 6pF C216 3 9 C101 7 5Pf C103 10pF R101 24 R106 1k Q102 3657 R107 43 L107 C109 001 C110 001 5 2 1 3 J203 C242 001 C201 10pF C202 39pF L201 Z201A Z201B C204 1 5 5pF C203 4 7pF L202 C205 39pF L203 C206 10pF R201 1 8k R202 680 R203 51 C211 01 R204 220 C208 01 C207 4 7 C210 7 5pF C212 39pF L204 Z202A Z202B C214 1 5 5pF C213 ...

Page 68: ...3 36 July 2000 Part No 001 2000 720 ...

Page 69: ...est setup diagrams Figure 4 1 CVR TEST MENU 4 1 3 HELP F1 Help screens are available for most parameters and options in this program Whenever a parameter or options clarification is needed press F1 and if a help screen is available it will pop up on the screen Press Escape ESC to exit the pop up screen 4 2 PULL DOWN MENUS 4 2 1 MENU DISPLAYS The menus available are listed at the top of the screen ...

Page 70: ...ed All CVRs Prints the data for all valid CVRs Single CVR Print the data for the entered CVR number NOTE A list of valid CVRs can be seen under the Edit Select Repeater menu selection DOS Shell Temporarily suspends the program and returns to DOS Directories and other DOS commands can be performed To return to the program from DOS type EXIT and press Enter Quit ALT X Quit exits the CVR program and ...

Page 71: ...ogrammed with a repeater num ber from 1 30 for reference Number selection can be arbitrary as long as each CVR is assigned a different number Channel Number Each repeater is programmed with a channel number 1 920 NOTE Repeater program channel numbers 1 599 increment in 25 kHz steps Program channel numbers 600 920 increment in 12 5 kHz steps See Appendix A to determine the correct operating frequen...

Page 72: ...board and loads it into a buffer The contents of the buffer is then dis played to show the programming of the repeater Figure 4 14 READ SETUP PARAMETERS Figure 4 15 READING SETUP Select Rptr To Delete Rptr 1 Program Rptr 1 Ok Cancel Programming Setup Parameters Count 1 Ok Cancel Read Setup Parms Reading Setup Parameters Attempting access to Repeater Figure 4 16 HARDWARE PROGRAMMING FLOWCHART Data ...

Page 73: ...screen places the repeater either in the normal mode or the test mode In the Normal mode the repeater operates as a normal repeater In the Test mode the repeater transmits a test word This test word is the Test Mode ID set up in the Setup Parameters see Table 4 1 While in the test mode the repeater is busy therefore it is important to place the repeater in Normal mode when the test mode is no long...

Page 74: ...eceiver 4 2 7 UTILITIES Figure 4 23 UTILITIES MENU COM Port This is the COM port used to send and receive data from the Repeater MPC An interface cable con nects the Repeater to the computer see Figure 4 25 Figure 4 24 COM PORT SELECTION Figure 4 21 TEST PROGRAMMING FLOWCHART All Test Receiver Test TCXO Frequency Adjust Audio Distortion Hum Noise Measurement SINAD Measurement Squelch Adjust Data L...

Page 75: ...ng A New File An example will be used to show the program ming for a new file created for Site 1 NOTE At any point in the programming sequence if F1 is selected a help screen appears to explain the menu selection highlighted at that point Select CVR To Edit A CVR is selected to program When no file exists with programmed CVRs the default is selected and edited 1 Highlight EDIT press Enter 2 Highli...

Page 76: ... on in any of the tests as TCXO frequency stability cannot then be guaranteed Refer to Figure 4 28 or 4 29 for component loca tions Refer to Figure 4 30 for equipment needed and setup diagram 4 3 1 PRE TEST 1 Preset L201 L203 L204 L206 L223 and L224 tuning screws about 1 4 inch above the top of the casting 2 Preset L202 and L205 tuning screws just barely above the tightening lock nuts Apply power ...

Page 77: ...Tune L207 L209 L211 and L225 for minimum dis tortion 5 typically 3 9 Repeat Step 8 then Steps 4 5 and 6 4 3 6 FRONT END ADJUSTMENTS REV 6 REVISION 6 BOARDS 1 Set the signal generator to the Receive Channel at a level sufficient to produce an output voltage on J201 pin 7 RSSI Output 2 Tune L204 L205 L206 L201 L202 L203 and L204 for a peak voltage on J201 pin 7 Decrease the generator output level to...

Page 78: ... 52 95 MHz Receiver Audio Distortion Measurement 1 Adjust the RF generator for 100 µV into the receiver with a 1 kHz tone at 3 kHz deviation 2 Adjust R207 for 0 dBm 775 mV RMS at J210 3 Connect a 16 ohm load and distortion analyzer to J204 of the Interface Board 4 Adjust R262 for 2 8V RMS and measure the distor tion Distortion should be 3 Receiver Hum and Noise Measurement 1 Adjust the RF generato...

Page 79: ...ile for the following parameters Home Repeater Same as repeater number System Key Same as repeater Status Channel Same as repeater channel Home Channel Same as repeater channel Encode ID 1 Decode ID 1 UID 1 Site 1 2 The repeater is now in Normal Operation mode 3 Key the radio several times on the programmed System Group Display shall indicate 4 every time Proper Tx Rx antenna connections are assum...

Page 80: ...NTS REVISION 6 2 1 19 20 R264 R261 U206 Z213 L225 L211 L209 L207 U207 Y201 L223 L224 L206 L205 L204 L203 L202 L201 L220 U209 J201 U208 12V R309 R310 3 5V PIN 6 13 9 12V 6V L210 TP3 TP6 TP4 TP5 TP1 TP2 L201 L202 L203 L204 L205 L206 L223 L224 L207 L209 C373 L210 L211 TP5 L225 Z213 C375 R282 U206 R261 TP3 J201 R264 TP4 TP6 U207 R309 R310 Y201 TP1 U208 U209 TP2 L220 ...

Page 81: ...TION ANALYZER HP 334A AC VOLTMETER VOLTMETER DC COMMUNICATIONS SERVICE MONITOR INTERFACE BOARD RECEIV ER RECEIVER RECEIVER RECEIVER 20 dB 2 1 19 20 R264 R261 U206 Z213 L225 L211 L209 L207 U207 Y201 L223 L224 L206 L205 L204 L203 L202 L201 L220 U209 J201 U208 12V R309 R310 3 5V PIN 6 13 9 12V 6V L210 TP3 TP6 TP4 TP5 TP1 TP2 R282 C375 C373 ...

Page 82: ...hip 510 3656 479 C 813 6 8 pF 150V chip 510 3656 689 CR802 Varactor 523 1504 915 SYMBOL PART NUMBER DESCRIPTION NUMBER L 803 039 µH inductor SMD 542 9001 397 L 804 039 µH inductor SMD 542 9001 397 L 805 039 µH inductor SMD 542 9001 397 PC800 PC board 035 2008 800 Q 801 Si NPN gen purp switch amp 576 0001 300 Q 802 NPN UHF low noise SOT 23 576 0003 636 R 801 10 ohm 5 0805 chip 569 0105 100 R 802 3 ...

Page 83: ...1 001 µF 5 NPO 1206 chip 510 3602 102 C 292 1 5 µF 25V tantalum SMD 510 2627 159 C 293 39 pF 5 NPO 1206 chip 510 3602 390 SYMBOL PART NUMBER DESCRIPTION NUMBER C 294 4 7 µF 16V tantalum SMD 510 2625 479 C 295 001 µF 5 NPO 1206 chip 510 3602 102 C 296 001 µF 5 NPO 1206 chip 510 3602 102 C 297 1 5 µF 25V tantalum SMD 510 2627 159 C 298 4 7 µF 16V tantalum SMD 510 2625 479 C 299 4 7 µF 16V tantalum S...

Page 84: ...001 108 L 216 1 µH inductor SMD 542 9001 108 L 218 1 µH inductor SMD 542 9001 108 L 219 018 µH inductor SMD 542 9001 187 SYMBOL PART NUMBER DESCRIPTION NUMBER L 220 2 3 8 turn helical coil 016 2186 254 L 221 3T 22 AWG 0 05 ID SMD air 542 0015 003 L 222 2T 22 AWG 0 05 ID SMD air 542 0015 002 L 223 Helical coil 016 2186 201 L 224 Helical coil 016 2186 201 L 225 0 9 µH variable inductor 7mm 542 1012 ...

Page 85: ...9 0115 510 R 294 10 ohm 5 1206 SMD 569 0115 100 R 295 470 ohm 5 1206 SMD 569 0115 471 R 296 1 8k ohm 5 1206 SMD 569 0115 182 R 297 100 ohm 5 1206 SMD 569 0115 101 R 299 36 ohm 5 1206 SMD 569 0115 360 R 300 36 ohm 5 1206 SMD 569 0115 360 R 301 220 ohm 5 1206 SMD 569 0115 221 R 302 220 ohm 5 1206 SMD 569 0115 221 R 303 43 ohm 5 1206 SMD 569 0115 430 SYMBOL PART NUMBER DESCRIPTION NUMBER R 304 240 oh...

Page 86: ...800 MHz RECEIVER 4 18 July 2000 Part No 001 2000 720 ...

Page 87: ...pF 3 6k 039uH 27pF 27pF 5 1k 039uH 6 2k RF OUT 039uH 15 CAPACITIVE MULTIPLIER MOD IN TO RESONATOR TAP CONTROL IN C805 C806 R804 L804 CR802 C804 C803 1pF CR801 C802 R801 C807 R802 C809 Q801 L803 C810 C811 R803 R805 R806 C812 C813 Q802 L805 R807 1 5pF 27pF C808 3 2 TRANSMIT VCO ONLY 2 2 2 3 3 3 3 3 3 3 3 3 C805 1uF 47uF 2 4pF 2 7pF C804 C806 1uF C812 4 7pF 3 9pF C813 6 8pF 5 6pF DESIG RX TX CR802 10...

Page 88: ... C330 R272 C307 R270 R269 R319 C314 C325 R271 C331 R267 R276 C256 C255 U209 1 10 20 11 EP5 C313 C360 C309 R299 C326 R273 C355 C259 C334 R277 C268 C303 R290 C272 C310 C356 R274 C258 R275 R279 R278 C261 R291 C260 R292 C335 C273 R293 R311 R300 R294 C269 C274 C275 EP206 L222 C357 L219 Q208 Q209 Q215 Q214 TP2 EP12 C305 Q204 L220 CH203 Q203 R224 R222 C228 C230 C227 R321 R218 R219 R220 C225 R217 R221 C22...

Page 89: ...R299 36 C326 3pF C334 27pF R273 100 11 F IN TP2 C358 3 9pF 6 PD OUT C330 27pF C256 1 R271 910 6V 19 V DD R232 10k RF DATA 20 J201 R231 10k RF CLK 18 14 18 R276 47k C333 27pF 8 DATA CLK GND RX 7 17 R269 1k SYN CS RX 12 R270 1k SYN LK RX 14 2 ENABLE LOCK DET 16 19 17 15 11 2 NC R320 10k R319 10k 6V C325 100pF C332 27pF 10 F IN R268 1k C308 4 7 C255 1 R267 294 12V 5 V PD A006 VCO 753 772 MHz CNTL TAP...

Page 90: ...4 22 July 2000 Part No 001 2000 720 ...

Page 91: ...est setup diagrams Figure 5 1 CVR TEST MENU 5 1 3 HELP F1 Help screens are available for most parameters and options in this program Whenever a parameter or options clarification is needed press F1 and if a help screen is available it will pop up on the screen Press Escape ESC to exit the pop up screen 5 2 PULL DOWN MENUS 5 2 1 MENU DISPLAYS The menus available are listed at the top of the screen ...

Page 92: ...ed All CVRs Prints the data for all valid CVRs Single CVR Print the data for the entered CVR number NOTE A list of valid CVRs can be seen under the Edit Select Repeater menu selection DOS Shell Temporarily suspends the program and returns to DOS Directories and other DOS commands can be performed To return to the program from DOS type EXIT and press Enter Quit ALT X Quit exits the CVR program and ...

Page 93: ...ogrammed with a repeater num ber from 1 30 for reference Number selection can be arbitrary as long as each CVR is assigned a different number Channel Number Each repeater is programmed with a channel number 1 920 NOTE Repeater program channel numbers 1 599 increment in 25 kHz steps Program channel numbers 600 920 increment in 12 5 kHz steps See Appendix A to determine the correct operating frequen...

Page 94: ...board and loads it into a buffer The contents of the buffer is then dis played to show the programming of the repeater Figure 5 14 READ SETUP PARAMETERS Figure 5 15 READING SETUP Select Rptr To Delete Rptr 1 Program Rptr 1 Ok Cancel Programming Setup Parameters Count 1 Ok Cancel Read Setup Parms Reading Setup Parameters Attempting access to Repeater Figure 5 16 HARDWARE PROGRAMMING FLOWCHART Data ...

Page 95: ...screen places the repeater either in the normal mode or the test mode In the Normal mode the repeater operates as a normal repeater In the Test mode the repeater transmits a test word This test word is the Test Mode ID set up in the Setup Parameters see Table 5 1 While in the test mode the repeater is busy therefore it is important to place the repeater in Normal mode when the test mode is no long...

Page 96: ...eceiver 5 2 7 UTILITIES Figure 5 23 UTILITIES MENU COM Port This is the COM port used to send and receive data from the Repeater MPC An interface cable con nects the Repeater to the computer see Figure 5 25 Figure 5 24 COM PORT SELECTION Figure 5 21 TEST PROGRAMMING FLOWCHART All Test Receiver Test TCXO Frequency Adjust Audio Distortion Hum Noise Measurement SINAD Measurement Squelch Adjust Data L...

Page 97: ...ng A New File An example will be used to show the program ming for a new file created for Site 1 NOTE At any point in the programming sequence if F1 is selected a help screen appears to explain the menu selection highlighted at that point Select CVR To Edit A CVR is selected to program When no file exists with programmed CVRs the default is selected and edited 1 Highlight EDIT press Enter 2 Highli...

Page 98: ... 5 3 1 PRE TEST 1 Preset L201 L202 L203 L204 L205 L206 L223 and L224 tuning screws about 1 4 inch above the top of the casting 5 3 2 VOLTAGE MEASUREMENTS Apply power to the Receiver by plugging the 20 pin cable from the RF Interface Board into J201 see Figure 5 28 Measure the voltages at the following pins U206 pin 1 12V DC 0 4V U207 pin 1 12V DC 0 4V U208 pin 1 6V DC 0 2V U210 pin 1 12V DC 0 4V 5...

Page 99: ...7 mV RMS 5 mV RMS on J201 pin 9 6 Adjust R284 for 2V DC 0 05V DC on J201 pin 9 TP4 7 Measure the distortion on pin J201 pin 9 TP4 analog tuning meter is preferred 8 Tune C207 L209 L211 and L225 for peak voltage on J201 pin 7 TP3 Decrease the generator output level to maintain 2 3V Distortion should be 5 typically 3 9 Repeat Steps 4 5 and 6 5 3 7 AUDIO DISTORTION 1 Plug a 16 ohm load at J204 on the...

Page 100: ... Board into J201 see Figure 5 29 5 4 2 RECEIVER FREQUENCY CHECK 1 Check the receiver injection frequency with a sniffer pickup loop or RF probe and a suitable frequency counter placed near L210 2 TCXO Adjustment Set Y201 TCXO for the Injection Frequency 50 Hz Inj Freq chnl freq 52 95 MHz Receiver Audio Distortion Measurement 1 Adjust the RF generator for 100 µV into the receiver with a 1 kHz tone ...

Page 101: ...the receiver with a 100 Hz tone at 1 kHz 2 Insert voltmeter probes into J202 on the Interface Board and connect to an AC voltmeter 3 Adjust R248 to achieve 340 mV RMS 7 1 dBm Receiver RSSI Adjustment NOTE Use this procedure only when an audio analyz er is unavailable 1 Adjust the RF generator for 0 29 µV into the Receiver with a 1 kHz tone at 3 kHz 2 Adjust R261 in the Receiver for 0 8V DC 0 02V D...

Page 102: ...oltmeter between J205 pin 2 and J206 pin 2 Connect a 600 ohm termina tion to the meter terminals or across J101 pins 5 6 3 On the Interface Board adjust R271 for the type of line Leased Line Direct Connect default 12 dBm 194 mV RMS Table 5 1 ALARMS Display No Definition 0 1 2 3 4 5 6 7 8 9 A B C D E F Test Mode Not Used Normal Operation Revert Operation Receiving Data Not Used Not Used Receive Syn...

Page 103: ...00 MHz RECEIVER TEST SETUP FREQUENCY COUNTER OSCILLOSCOPE AUDIO DISTORTION ANALYZER HP 334A AC VOLTMETER VOLTMETER DC COMMUNICATIONS SERVICE MONITOR INTERFACE BOARD RECEIV ER RECEIVER RECEIVER RECEIVER 20 dB 2 1 19 20 J201 TM OCXO2 DELTA F OUTPUT AC DC OCXO1 1 25 MHz ...

Page 104: ... 5 6 pF 150V chip 510 3656 569 CR802 Varactor 105G SOT 23 523 1504 015 SYMBOL PART NUMBER DESCRIPTION NUMBER L 803 039 µH inductor SMD 542 9001 397 L 804 039 µH inductor SMD 542 9001 397 L 805 039 µH inductor SMD 542 9001 397 PC801 PC board 035 2009 800 Q 801 Si NPN gen purp switch amp 576 0001 300 Q 802 NPN UHF low noise SOT 23 576 0003 636 R 801 10 ohm 5 0805 chip 569 0105 100 R 802 3 6k ohm 5 0...

Page 105: ...F 5 NPO 1206 chip 510 3602 339 C 277 6 8 pF 5 NPO 1206 chip 510 3602 689 C 278 27 pF 5 NPO 1206 chip 510 3602 270 SYMBOL PART NUMBER DESCRIPTION NUMBER C 279 4 7 µF 16V tantalum SMD 510 2625 479 C 280 5 6 pF 5 NPO 1206 chip 510 3602 569 C 281 4 7 µF 16V tantalum SMD 510 2625 479 C 282 27 pF 5 NPO 1206 chip 510 3602 270 C 284 1 pF 5 NPO 1206 chip 510 3602 109 C 285 001 µF 5 NPO 1206 chip 510 3602 1...

Page 106: ... 008 HW205 Polarizing key box cnt 515 7109 010 HW206 6 32 pan torx ZPS 575 0006 008 J 201 20 pin right angle header 515 9031 375 SYMBOL PART NUMBER DESCRIPTION NUMBER L 201 Helical coil 2 1 16 turns 016 2186 208 L 202 Helical coil 2 1 16 turns 016 2186 209 L 203 Helical coil 2 1 16 turns 016 2186 208 L 204 Helical coil 2 1 16 turns 016 2186 208 L 205 Helical coil 2 1 16 turns 016 2186 209 L 206 He...

Page 107: ... ohm 5 1206 SMD 569 0115 272 R 243 3 3k ohm 5 1206 SMD 569 0115 332 R 244 3 3k ohm 5 1206 SMD 569 0115 332 SYMBOL PART NUMBER DESCRIPTION NUMBER R 245 16k ohm 5 1206 SMD 569 0115 163 R 246 1k ohm 5 1206 SMD 569 0115 102 R 248 2 7k ohm 5 1206 SMD 569 0115 272 R 249 3 3k ohm 5 1206 SMD 569 0115 332 R 250 270 ohm 5 1206 SMD 569 0115 271 R 251 3 3k ohm 5 1206 SMD 569 0115 332 R 252 36k ohm 5 1206 SMD ...

Page 108: ...115 103 RT101 1k ohm 5 thermistor chip 569 3013 002 TP001 Red tip jack vert 0 08 105 2002 211 TP003 Red tip jack vert 0 08 105 2002 211 TP004 Red tip jack vert 0 08 105 2002 211 TP005 Red tip jack vert 0 08 105 2002 211 TP006 Red tip jack vert 0 08 105 2002 211 U 201 Mixer LRMS 2H 544 0007 013 U 202 FM IF MC3371D SO 16 544 2002 031 U 203 Dual op amp SO 8 544 2019 004 U 204 Op amp SO 8 MC33172D 544...

Page 109: ...7 R802 C809 Q801 L803 C810 C811 R803 R805 R806 C812 C813 Q802 L805 R807 27pF C808 3 2 TRANSMIT VCO ONLY 2 2 2 3 3 3 3 3 3 C805 1uF 47uF C804 C806 1uF C812 C813 DESIG RX TX NOTES R804 4 7k 12k 3636 R814 10k 1 RESISTORS ARE IN OHMS AND CAPACITORS IN MICROFARADS UNLESS OTHERWISE SPECIFIED 4 7uF 2 2pF 3 9pF 3 3pF 5 6pF 4 7pF WO 801 WO 804 WO 807 WO 808 WO 805 WO 802 WO 803 0 3pF 180 RF OUT WO 806 100 ...

Page 110: ...7 C244 C306 R242 L217 R281 C251 C248 C253 R248 C249 R243 C250 R244 R240 C254 R249 R251 R250 C252 L218 R314 C296 C297 R304 C300 C299 R303 C298 U208 C325 C206 C265 R271 C331 R276 R267 R272 C330 C256 C302 C257 C307 R270 R268 C332 C333 C377 C255 C308 EP5 U209 C364 C363 C366 C365 C320 C319 U210 EP204 EP202 R269 R319 C314 Q208 C355 R273 L219 C309 C259 R299 C326 C334 R277 C360 C376 R282 Q209 R278 C268 C2...

Page 111: ... 6k R277 150 R275 6 8k C258 27pF L 219 018uH R274 10 6V C259 27pF C309 1pF Q209 3636 R299 36 C309 3pF C334 27pF R273 100 11 F IN TP2 C358 3 9pF 6 PD OUT C330 27pF C256 1 R271 910 6V 19 V DD R232 10k RF DATA 20 R231 10k RF CLK 18 14 18 R276 47k C333 27pF 8 DATA CLK GND RX 7 17 R269 1k SYN CS RX 12 R270 1k SYN LK RX 14 2 ENABLE LOCK DET 17 15 11 2 R319 10k 6V C325 100pF C332 27pF 10 F IN R268 1k C30...

Page 112: ...5 22 July 2000 Part No 001 2000 720 ...

Page 113: ... X7R 1210 510 3610 224 C 210 033 µF 5 X7R 1210 510 3610 333 C 211 068 µF 5 X7R 1206 510 3609 683 SYMBOL PART NUMBER DESCRIPTION NUMBER C 212 022 µF 5 X7R 1210 510 3610 224 C 213 2200 pF 2 NPO 1206 510 3616 222 C 214 4700 pF 2 NPO 1206 510 3616 472 C 215 047 µF 5 X7R 1206 510 3609 473 C 216 1 µF 5 X7R 1206 510 3609 104 C 217 022 µF 5 X7R 1206 510 3609 223 C 218 6800 pF 2 NPO 1210 510 3617 682 C 219...

Page 114: ...523 1504 023 CR203 4 3V zener SOT 23 523 2016 439 CR204 Switching diode SOT 23 523 1504 002 CR205 UHF VHF band sw SOT 23 523 1504 012 CR206 UHF VHF band sw SOT 23 523 1504 012 CR207 UHF VHF band sw SOT 23 523 1504 012 SYMBOL PART NUMBER DESCRIPTION NUMBER CR208 Switching diode SOT 23 523 1504 002 CR209 3A ultra fast diode sw 523 1507 004 DS101 7 segment display green 0 3 549 4002 020 EP101 2 hole ...

Page 115: ... 207 100k ohm trim pot 562 0110 104 R 208 390k ohm 5 1206 SMD 569 0115 394 SYMBOL PART NUMBER DESCRIPTIONNUMBER R 209 15k ohm 1 1206 SMD 569 0111 418 R 210 100 ohm 1 1206 SMD 569 0111 201 R 211 1 07M ohm 1 1206 SMD 569 0111 604 R 212 110 ohm 1 1206 SMD 569 0111 205 R 213 1 07M ohm 1 1206 SMD 569 0111 604 R 214 110 ohm 1 1206 SMD 569 0111 205 R 215 1 07M ohm 1 1206 SMD 569 0111 604 R 216 18 2k ohm ...

Page 116: ...3 2090 005 RV202 Varistor 250V V275LAY 523 2090 005 RV203 Varistor 250V V275LAY 523 2090 005 SYMBOL PART NUMBER DESCRIPTION NUMBER S 101 SPST momentary switch 583 4005 002 T 201 600 ohm modem transformer 592 1015 008 U 101 BCD 7 latch MC14495 544 3014 495 U 102 Micro monitor SO 8 SOIC 544 2003 085 U 103 12V regulator 78L12 SOIC 544 2603 032 U 104 RDM boot code 023 9998 365 U 105 16 bit CMOS CPU RO...

Page 117: ...CE BOARD 6 5 July 2000 Part No 001 2000 720 SYMBOL PART NUMBER DESCRIPTION NUMBER Y 101 10 MHz crystal HC 18 521 0010 000 Y 102 2 4576 MHz crystal HC 18U 521 0002 458 Z 201 EMI suppression filter 532 3003 002 ...

Page 118: ...INTERFACE BOARD 6 6 July 2000 Part No 001 2000 720 ...

Page 119: ...294 1 4 5 8 U222 L201 L202 W O 1 0 6 W O 1 0 7 WO105 C305 RV201 RV203 RV202 1 9 8 15 J101 WO102 J108 J107 F201 Z201 DETAIL A DETAIL B DETAIL C C296 C281 R296 1 2 3 J213 J214 1 13 R125 R127 1 2 3 U105 1 2 3 C265 R126 R269 C304 R297 1 2 1 2 Y102 U112 8 14 1 7 R117 C123 R116 C262 C269 C266 C268 C271 R294 1 4 5 8 U222 L201 L202 W O 1 0 6 W O 1 0 7 WO105 C305 RV201 RV203 RV202 1 9 8 15 J101 WO102 J108 ...

Page 120: ...R284 1 8 9 16 U219 1 14 15 28 U106 R239 R238 R118 R119 R221 C227 C225 C285 R219 C224 R220 C226 U205 1 4 5 8 C228 R223 C289 R224 C229 R277 C257 C258 C256 R278 R280 C259 R279 1 7 8 14 U207 CR203 R235 C286 R231 R237 R225 R236 R232 R226 C300 C232 R230 C231 R228 R229 R233 R234 C233 R257 R258 CR204 RT201 R227 C230 CR201 CR202 R259 9 16 1 8 U211 C292 R218 1 8 9 16 U217 C291 C302 R260 R270 R261 1 8 9 16 U...

Page 121: ...INTERFACE BOARD 6 9 July 2000 Part No 001 2000 720 ...

Page 122: ...INTERFACE BOARD 6 10 July 2000 Part No 001 2000 720 Figure 6 3 RDM INTERFACE BOARD SCHEMATIC 1 OF 2 ...

Page 123: ...INTERFACE BOARD 6 11 July 2000 Part No 001 2000 720 Figure 6 4 RDM INTERFACE BOARD SCHEMATIC 2 OF 2 ...

Page 124: ...INTERFACE BOARD 6 12 July 2000 Part No 001 2000 720 ...

Page 125: ...84 1 8 9 16 U219 1 14 15 28 U106 DETAIL B R239 R238 R118 R119 R221 C227 C225 C285 R219 C224 R220 C226 U205 1 4 5 8 C228 R223 C289 R224 C229 1 7 8 14 U207 CR203 R235 C286 R231 R237 R225 R236 R232 R226 C300 C232 R230 C231 R228 R229 R233 R234 C233 R257 R258 CR204 RT201 R227 C230 CR201 CR202 R259 9 16 1 8 U211 C292 R218 1 8 9 16 U217 C291 C302 R260 R270 R261 1 8 9 16 U212 C242 R263 C113 R266 R267 C244...

Page 126: ...4 D5 D6 6 7 8 9 D7 Q1 Q3 Q4 18 16 15 13 D1 D2 D3 D4 D5 D6 D7 14 Q5 Q6 D8 Q7 12 U220 9 3 RF DATA C U220 10 3 RF DATA B U220 11 3 RF DATA A U217A 1 3 FSK TO AUDIO GATE U212A 1 3 RX AUDIO GATE U212D 16 3 LOCAL AUDIO MUTE U212B 8 3 U211A 1 3 RX OPTION GATE U211D 16 3 RX SQ ACTIVE U211D 15 3 NORM RX U212D 16 3 RX MUTE U217B 8 3 LOGIC SQ A D U217C 9 3 DATA TO A D 17 16 DQ7 1 OC 1 OC 1 OC 1 OC U101 U102 ...

Page 127: ...MUTE GATE U115 16 1 RX OPTION R260 10k 5V U212C 9 10 11 1 2 7 6 8 3 U211A RECEIVE OPTION GATE U212B WO 201 WO202 OPTION 14 15 16 U212D LOCAL AUDIO MUTE GATE U115 16 1 R261 47k R262 10k 1k C242 10 1 5 LOCAL AUDIO ON OFF VOL 15V C241 470 C245 15 C246 1 R264 39 C244 1 C243 01 C249 470 4 2 C248 470 R267 220 R266 2 2 R265 1 C247 1 R268 51 J204 EXT SPKR LOCAL AUDIO OUTPUT U213 TDA2003 7 RDM AUDIO J106 U...

Page 128: ...6 12 July 2000 Part No 001 2000 720 ...

Page 129: ...1 TB13 SITE AUDIO IN A SITE AUDIO IN B GROUND VOTED AUDIO TX AUDIO IN A TX AUDIO IN B GROUND GROUND TX SEL IN RETRANS IN RPT TONE IN SELECT IN DISABLE IN COR IN SITE PTT IN VOTED OUT UNSQ OUT FAULT OUT SITE PTT OUT SPARE IN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SNV 12 SECTION 6 VOTER MODULE...

Page 130: ...6 2 July 2000 Part No 001 2000 720 ...

Page 131: ...MP002 Right latching arm 515 6010 012 P 001 10 pos vertical connector 515 1502 030 P 002 10 pos vertical connector 515 1502 030 PC001 PC board 035 3039 490 SYMBOL PART NUMBER DESCRIPTION NUMBER RECEIVER SITE REDUNDANT DIODE PART NO 023 3039 495 CR001 Bridge rectifier 200V 25A 523 4004 008 EP001 1 4 2 AWG ring terminal 586 0001 028 EP002 1 4 2 AWG ring terminal 586 0001 028 EP003 1 4 2 AWG ring ter...

Page 132: ...CEIVER SITE REDUNDANT KIT 495 RED BLK AC LINE CORD POWER SUPPLY 585 4001 120 P1 J2 10 1 13 8V P2 J2 10 1 GROUND J1 F1 FH1 P1 J2 10 1 13 8V P2 J2 10 1 GROUND F1 FH1 RED BLUE BLUE RED AC LINE CORD W5 W2 W3 W4 CR2 CR3 CR1 R2 R3 AC LINE CORD POWER SUPPLY 585 4001 120 POWER SUPPLY 585 4001 120 PRIMARY SECONDARY ...

Page 133: ...5 SCHEMATIC Figure 8 5 REVISED RECEIVER SITE POWER SUPPLY 490 1 2 3 4 5 7 8 6 TB1 13 8V 9 10 F1 J1 1 2 3 4 5 7 8 6 9 10 10A TB2 P1 P2 GND 1 2 3 4 5 7 8 6 TB1 13 8V 9 10 F1 1 2 3 4 5 7 8 6 9 10 CHALLENGER POWER SUPPLY CHALLENGER POWER SUPPLY TB2 P1 P2 GND 10A SECONDARY PRIMARY CR2 GRN PRIMARY GRN CR3 SEC R2 470 470 R3 FRONT PANEL PS INDICATORS ...

Page 134: ...POWER SUPPLIES 8 4 July 2000 Part No 001 2000 720 ...

Page 135: ...75 806 9375 39 39 851 9625 806 9625 40 40 851 9875 806 9875 41 41 852 0125 807 0125 42 42 852 0375 807 0375 43 43 852 0625 807 0625 44 44 852 0875 807 0875 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 45 45 852 1125 807 1125 46 46 852 1375 807 1375 47 47 852 1625 807 1625 48 48 852 1875 807 1875 49 49 852 2125 807 2125 50 50 852 2375 807 2375 51 ...

Page 136: ...5 809 1875 129 129 854 2125 809 2125 130 130 854 2375 809 2375 131 131 854 2625 809 2625 132 132 854 2875 809 2875 133 133 854 3125 809 3125 134 134 854 3375 809 3375 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 135 135 854 3625 809 3625 136 136 854 3875 809 3875 137 137 854 4125 809 4125 138 138 854 4375 809 4375 139 139 854 4625 809 4625 140 14...

Page 137: ...811 3625 216 216 856 3875 811 3875 217 217 856 4125 811 4125 218 218 856 4375 811 4375 219 219 856 4625 811 4625 220 220 856 4875 811 4875 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 221 221 856 5125 811 5125 222 222 856 5375 811 5375 223 223 856 5625 811 5625 224 224 856 5875 811 5875 225 225 856 6125 811 6125 226 226 856 6375 811 6375 227 227 ...

Page 138: ...813 5375 303 303 858 5625 813 5625 304 304 858 5875 813 5875 305 305 858 6125 813 6125 306 306 858 6375 813 6375 307 307 858 6625 813 6625 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 308 308 858 6875 813 6875 309 309 858 7125 813 7125 310 310 858 7375 813 7375 311 311 858 7625 813 7625 312 312 858 7875 813 7875 313 313 858 8125 813 8125 314 314 ...

Page 139: ...815 7875 393 393 860 8125 815 8125 394 394 860 8375 815 8375 395 395 860 8625 815 8625 396 396 860 8875 815 8875 397 397 860 9125 815 9125 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 398 398 860 9375 815 9375 399 399 860 9625 815 9625 400 400 860 9875 815 9875 401 401 861 0125 816 0125 402 402 861 0375 816 0375 403 403 861 0625 816 0625 404 404 ...

Page 140: ...818 0875 485 485 863 1125 818 1125 486 486 863 1375 818 1375 487 487 863 1625 818 1625 488 488 863 1875 818 1875 489 489 863 2125 818 2125 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 490 490 863 2375 818 2375 491 491 863 2625 818 2625 492 492 863 2875 818 2875 493 493 863 3125 818 3125 494 494 863 3375 818 3375 495 495 863 3625 818 3625 496 496 ...

Page 141: ...875 820 3875 577 577 865 4125 820 4125 578 578 865 4375 820 4375 579 579 865 4625 820 4625 580 580 865 4875 820 4875 581 581 865 5125 820 5125 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 582 582 865 5375 820 5375 583 583 865 5625 820 5625 584 584 865 5875 820 5875 585 585 865 6125 820 6125 586 586 865 6375 820 6375 587 587 865 6625 820 6625 588 ...

Page 142: ...821 8375 669 665 866 8500 821 8500 670 666 866 8625 821 8625 671 667 866 8750 821 8750 672 668 866 8875 821 8875 673 669 866 9000 821 9000 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 674 670 866 9125 821 9125 675 671 866 9250 821 9250 676 672 866 9375 821 9375 677 673 866 9500 821 9500 678 674 866 9625 821 9625 679 675 866 9750 821 9750 680 676 ...

Page 143: ...0000 762 753 868 0125 823 0125 763 868 0250 823 0250 764 754 868 0375 823 0375 765 755 868 0500 823 0500 766 756 868 0625 823 0625 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 767 757 868 0750 823 0750 768 758 868 0875 823 0875 769 759 868 1000 823 1000 770 760 868 1125 823 1125 771 761 868 1250 823 1250 772 762 868 1375 823 1375 773 763 868 1500...

Page 144: ...0 869 1125 824 1125 851 869 1250 824 1250 852 869 1375 824 1375 853 869 1500 824 1500 854 869 1625 824 1625 855 869 1750 824 1750 856 869 1875 824 1875 857 869 2000 824 2000 858 869 2125 824 2125 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number Frequency Frequency 859 869 2250 824 2250 860 869 2375 824 2375 861 869 2500 824 2500 862 869 2625 824 2625 863 869 2750 824 27...

Page 145: ...y Frequency 905 869 8000 824 8000 906 869 8125 824 8125 907 869 8250 824 8250 908 869 8375 824 8375 909 869 8500 824 8500 910 869 8625 824 8625 911 869 8750 824 8750 912 869 8875 824 8875 913 869 9000 824 9000 914 869 9125 824 9125 915 869 9250 824 9250 916 869 9375 824 9375 917 869 9500 824 9500 918 869 9625 824 9625 919 869 9750 824 9750 920 869 9875 824 9875 ...

Page 146: ...800 MHz RECEIVER CHANNEL FREQUENCY CHART A 12 July 2000 Part No 001 2000 720 ...

Page 147: ...ision 5 RF Data 5 Version 5 Help F1 1 L Load File 1 M Main Components 1 Receiver Decoder Module 1 Voter Power Supply 1 Menu Diplays Hardware 5 Menu Displays 1 Edit 3 File 1 Test 7 5 Transfer 4 Utilities 7 6 Mode Select 6 5 P Parameters Setup 3 Power Supplies 1 Parts List 1 Print Repeater Config 2 Programming Flowchart 1 Q Quit ALT X 2 R RDM to Voter Interface 7 6 Read Setup Parameters 4 Receiver T...

Page 148: ...mer 1 T Test 7 5 Full RDM 7 6 RDM to Voter Interface 7 6 Receiver 7 5 Transfer 4 Read Setup Parameters 4 Write Setup Parameters 4 U User Level 8 7 Utilities 7 6 Alarm Display 8 7 COM Port 7 6 Display Mode 7 User Level 8 7 V Version 5 Voter Power Supply 1 W Write Setup Parameters 4 ...

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