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Viking VX 900 MHz LTR, Руководство пользователя


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TABLE OF CONTENTS (CONT.)

7

75W POWER AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
160W POWER AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15
FORWARD/REVERSE POWER DETECTOR  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
900 MHZ 75W PA MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18
900 MHZ 160W PA MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
2000 SERIES REPEATER POWER SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
2000 SERIES REPEATER POWER SUPPLY WIREHARNESS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
800W POWER SUPPLY MAIN BOARD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20
AC FILTER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
BATTERY BACK-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
THERMAL SENSOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-27
OCXO DRAWER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-27
OCXO DRAWER POWER SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-30
MAIN PROCESSOR CARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-31
MAIN AUDIO CARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-32
INTERFACE ALARM CARD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-38

10

SCHEMATICS AND COMPONENT LAYOUTS

A

900 MHz CHANNEL FREQUENCY CHART

LIST OF FIGURES

1-1

REPEATER CARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1-5

1-2

ALARM IN TEST MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1-6

2-1

2000 SERIES POWER SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-2

2-2

TEMPERATURE SENSOR CABLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-2

2-3

RACK MOUNTED REPEATERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-5

2-4

5-CHANNEL COMBINING SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-6

2-5

MPC DATA BUS SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-6

2-6

MPC JUMPERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-7

2-7

ANTENNA CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-7

2-8

RJ-11 TO BNC ADAPTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-7

2-9

ATTENUATOR SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-9

2-10

VIKING VX REPEATERS WITH 2000 OCXO DRAWER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-10

2-11

MIXED REPEATERS WITH SEPARATE OCXO DRAWERS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-11

2-12

MIXED REPEATERS WITH 8900 OCXO DRAWER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-12

2-13

MIXED REPEATERS WITH 2000 OCXO DRAWER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2-13

3-1

REPEATER TEST MENU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   3-3

3-2

PROGRAMMING FLOWCHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   3-4

4-1

FILE MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-1

4-2

LOAD FILE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-1

4-3

SAVE FILE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-1

4-4

EDIT PROGRAMMING FLOWCHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-2

4-5

EDIT MENU  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-2

4-6

REPEATER LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-4

4-7

ALARM CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-4

4-8

INPUT ALARMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4-4

Содержание VX 900 MHz LTR

Страница 1: ...1 October 1995 Part No 001 2008 202 VIKING VX 900 MHz LTR 75W 160W Repeater Part No 242 2009 232 234 Second Printing October 1999 Supersedes 001 2009 200 Part No 001 2009 201 10 99mwp Printed in U S...

Страница 2: ...1 2 October 1995 Part No 001 2008 202...

Страница 3: ...the user 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...

Страница 4: ...1 4 October 1995 Part No 001 2008 202...

Страница 5: ...COMMUNICATION 1 8 MOBILE TRANSCEIVERS 1 8 1 14 REPEATER DATA BUS SIGNALING 1 8 GENERAL 1 8 MOBILE DATA MESSAGE ORDER 1 9 ID VALIDATOR OPERATION 1 9 2 INSTALLATION 2 1 INTRODUCTION 2 1 SITE PREPARATION...

Страница 6: ...1 MENU DISPLAYS 4 1 4 2 FILE MENU 4 1 LOAD 4 1 SAVE 4 1 SAVE AS 4 1 PRINT REPEATER CONFIGURATION 4 2 DOS SHELL 4 2 QUIT ALT X 4 2 4 3 EDIT 4 2 SETUP PARAMETERS 4 3 SELECT REPEATER 4 4 ALARM CONFIGURAT...

Страница 7: ...7 7 BUFFER AMPLIFIER Q214 Q215 7 7 RF AMPLIFIERS Q216 Q217 7 7 6 2 EXCITER 7 7 VCO A007 7 7 EXCITER VCO AND TCXO FREQUENCY MODULATION 7 8 ACTIVE FILTER 7 8 BUFFER Q406 Q407 7 8 HIGH STABILITY SYNTHESI...

Страница 8: ...SUPPLY REPAIR AND ALIGNMENT 7 29 6 8 BATTERY BACK UP MODULE 7 30 OPERATION 7 30 CHARGER 7 30 REVERSE BATTERY PROTECTION 7 31 ENGAGING THE RELAY 7 31 OVER UNDERVOLTAGE SHUTDOWN 7 31 BBM FAN CONTROL 7...

Страница 9: ...BLE OUTPUT 7 48 7 ALIGNMENT AND TEST PROCEDURES 7 1 OCXO AND TEST EQUIPMENT FREQUENCY STABILITY 7 1 7 2 RECEIVER ALIGNMENT 7 1 PRE TEST 7 1 VOLTAGE MEASUREMENTS 7 1 PROGRAM TUNE UP CHANNEL 7 1 TCXO FR...

Страница 10: ...OUNTER DIVIDE NUMBERS 8 3 8 3 RECEIVER SERVICING 8 3 8 4 TRANSMITTER SERVICING 8 3 8 5 POWER SUPPLY SERVICING 8 3 VOLTAGE CHECKS 8 5 8 6 CHIP COMPONENT IDENTIFICATION 8 5 CERAMIC CHIP CAPS 510 36xx xx...

Страница 11: ...F FIGURES 1 1 REPEATER CARDS 1 5 1 2 ALARM IN TEST MODE 1 6 2 1 2000 SERIES POWER SUPPLY 2 2 2 2 TEMPERATURE SENSOR CABLE 2 2 2 3 RACK MOUNTED REPEATERS 2 5 2 4 5 CHANNEL COMBINING SYSTEM 2 6 2 5 MPC...

Страница 12: ...R BLOCK DIAGRAM 7 13 6 6 OCXO DRAWER FRONT REAR PANELS 7 14 6 7 OCXO SWITCHING 7 15 6 8 75W PA BLOCK DIAGRAM 7 17 6 9 160W PA BLOCK DIAGRAM 7 18 6 10 RF INTERFACE BOARD BLOCK DIAGRAM 7 25 6 11 BLOCK D...

Страница 13: ...COMPONENT LAYOUT 10 9 10 15 RECEIVE VCO SCHEMATIC 10 10 10 16 RECEIVER SCHEMATIC 10 11 10 17 EXCITER COMPONENT LAYOUT 10 12 10 18 TRANSMIT VCO COMPONENT LAYOUT 10 13 10 19 TRANSMIT VCO SCHEMATIC 10 1...

Страница 14: ...2 OF 2 10 42 10 48 POWER SUPPLY FILTER BOARD COMPONENT LAYOUT 10 43 10 49 POWER SUPPLY FILTER BOARD SCHEMATIC 10 43 10 50 BATTERY BACK UP COMPONENT LAYOUT 10 44 10 51 BATTERY BACK UP SCHEMATIC 10 45...

Страница 15: ...ed to cool the cabinets The air conditioners must be suited for the environment Each low power repeater 75W requires 1200 BTU hr dissipation to maintain exterior cabinet temperature Each high power 16...

Страница 16: ...20 deep that can be used to support the batteries 12V DC Battery This is a sealed 12V DC lead acid battery intended for battery backup systems Two bat teries are required per repeater At 25 C with a 1...

Страница 17: ...s claim forms or any questions concerning warranties or warranty service by dialing 507 835 6222 1 7 FACTORY TECHNICAL SERVICE The Technical Service Department of the E F Johnson Company provides cust...

Страница 18: ...epresentative may be able to sug gest a solution to the problem so that return of the equipment would not be necessary Be sure to fill out a Factory Repair Request Form 271 for each unit to be repaire...

Страница 19: ...to Figure 1 1 Programming Jack J1 provides input connection from the computer and the flash memory in the MPC The program ming information in an IBM PC programs the MPC directly from the serial card t...

Страница 20: ...F 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 A Off Off Off Off Off Off Off Off Off Off Off Off Off Off On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On Off Off Off Of...

Страница 21: ...tages on and off from the IAC in the front of the repeater Power Indicator CR501 indicates the 5V supply is at normal level and applied to the IAC CR524 indicates 5V supply is at normal level and appl...

Страница 22: ...n be used Up to 250 ID codes are assigned to each repeater An ID code and Home repeater number are the address of the mobiles in the system Therefore up to 1250 sep arate addresses can be assigned in...

Страница 23: ...ater 1 as their home channel not very likely in actual practice the data message order on Repeater 1 is as follows 1 2 3 1 4 5 1 2 3 and so on 1 14 3 ID VALIDATOR OPERATION If the ID Validator is used...

Страница 24: ...INTRODUCTION AND OPERATION 1 10 October 1999 Part No 001 2009 201...

Страница 25: ...s Image Rejection 90 dB Audio Squelch Sensitivity 12 dB SINAD Audio Response 1 3 dB TIA Audio Distortion Less than 3 at 0 5W 16 ohms Local Audio Power 0 5W 16 ohms Audio Sensitivity 750 Hz Hum Noise R...

Страница 26: ...INTRODUCTION AND OPERATION 1 12 October 1999 Part No 001 2009 201...

Страница 27: ...installed in an area that exceeds these environmental conditions the site should be equipped with air filters to remove dust and dirt that could cause the equipment to overheat 2 3 VENTILATION The RF...

Страница 28: ...he power supply is equipped with battery backup screw lugs are provided on the front of the power supply for battery connections see Figure 2 2 A switch is provided for charging the battery or can be...

Страница 29: ...e repeater The fan is thermostatically controlled by the internal temperature When the internal heatsink temperature reaches 45 C 113 F the fan turns on When the heatsink temperature drops below 35 C...

Страница 30: ...ith the combiner and antenna feed line RF protectors are selected by calculating the maximum instantaneous voltage at the output of the combiner Do this by using the following equation VP 1 414 X P 50...

Страница 31: ...ion 1 7 If everything appears undamaged remove the Repeater equipment from the crate using normal pre cautions for unpacking NOTE Do not discard the packing materials If you must return an item use th...

Страница 32: ...ater see Figure 2 10 A 50 ohm termination is not required for VIKING VX repeaters however a 50 ohm termi nation is required if used with existing repeaters and the interface see Figure 2 11 2 9 1 MPC...

Страница 33: ...ms with Version 2 1d or later HSDB software see Section 4 5 5 2 10 CONNECTING RECEIVE AND TRANSMIT ANTENNAS Receive and Transmit antenna connector loca tions are shown in Figure 2 7 Although each tran...

Страница 34: ...CONNECTION WITH 8900 OCXO DRAWER These guidelines should be followed when using 2009 series repeaters with an 8900 OCXO drawer Part No 023 8900 300 1 The output of the existing Local Oscillator drawe...

Страница 35: ...rt No 023 2000 923 in the 8 Way Splitter Shelf This attenuator assembly should be adjusted to pro vide 1 to 1 2V P P of reference signal at U205 pin 7 of all 8900 Receivers and Exciters in the existin...

Страница 36: ...LITTER SHELF 023 2000 924 J4 1 2 3 4 6 5 2 3 1 J5 SELECTION HSDB CODE SELECTION CRYSTAL MPC SWITCHES JUMPERS J4 1 2 3 4 6 5 2 3 1 J5 SELECTION HSDB CODE SELECTION CRYSTAL JOHNSON JOHNSON JOHNSON JOHNS...

Страница 37: ...LECTION CRYSTAL MPC SWITCHES JUMPERS FOR ALL 200X REPEATERS JOHNSON JOHNSON JOHNSON JOHNSON JOHNSON HSDB HSDB HSDB HSDB LOGIC RECEIVER EXCITER LOGIC RECEIVER EXCITER LOGIC RECEIVER EXCITER LOGIC RECEI...

Страница 38: ...RYSTAL MPC SWITCHES JUMPERS FOR ALL 200X REPEATERS JOHNSON JOHNSON JOHNSON JOHNSON JOHNSON HSDB HSDB HSDB HSDB LOGIC RECEIVER EXCITER LOGIC RECEIVER EXCITER LOGIC RECEIVER EXCITER LOGIC RECEIVER EXCIT...

Страница 39: ...3 4 6 5 2 3 1 J5 SELECTION HSDB CODE SELECTION CRYSTAL MPC SWITCHES JUMPERS FOR ALL 200X REPEATERS JOHNSON JOHNSON JOHNSON JOHNSON JOHNSON HSDB HSDB HSDB HSDB LOGIC RECEIVER EXCITER LOGIC RECEIVER EXC...

Страница 40: ...INSTALLATION 2 14 October 1999 Part No 001 2009 201...

Страница 41: ...elete files and run programs If you are unfamiliar with any of these actions refer to the MS DOS manual for your computer for more informa tion see Section 5 Follow the computer instructions for loadi...

Страница 42: ...LOR OR MONOCHROME OPERATION The programming software utilizes color for a color monitor and video card However with LCD type displays this may make some information hard to read because the contrast i...

Страница 43: ...are automatically extracted into the current directory or disk 3 2 2 MINIMUM FREE MEMORY REQUIRED Approximately 525K of free conventional mem ory is required to run this program use the CHKSK or MEM c...

Страница 44: ...cation 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 Figure 3 2 PROGRAMMING FLOWCHART Save As DOS Shell FILE HELP F1 Load...

Страница 45: ...Then move the cursor down with the arrow key and highlight Ok and press Enter To select an existing file use the arrow keys to move down the menu list and press Enter when the high lighted filename is...

Страница 46: ...its the repeater program and returns to DOS Save all files before exiting the repeater pro gram 4 3 EDIT Figure 4 5 EDIT MENU Select Rptr Alarm Config File Edit Transfer Hardware Test Utilities Auxili...

Страница 47: ...licable at this time CWID TIME This is the time interval between transmission of the CWID message Disable 1 60 minutes CWID MESSAGE FCC regulations require that the station call let ters be transmitte...

Страница 48: ...en energized and current flow is detected the alarm is activated When de energized and no current flow is detected the alarm is acti vated Analog inputs provide a detection of an analog input out of l...

Страница 49: ...m see Figure 4 10 Figure 4 10 ALARM CROSS REFERENCE 4 3 4 REPEATER TYPE This screen see Figure 4 11 selects the repeater type LTR signaling protocol and features Frequency Band 800 MHz 800 MHz 12 5 kH...

Страница 50: ...buffer The contents of the buffer is then displayed to show the programming of the repeater Figure 4 16 READ SETUP PARAMETERS Figure 4 17 READING SETUP Program Rptr 1 Ok Cancel Programming Setup Param...

Страница 51: ...received from the destination and data sent to the mobile by the repeater The repeater receives the destination s Unique ID Home Repeater Number Group ID Priority Status and Time Stamp The information...

Страница 52: ...ode 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 Section 4 3 1 C A U T I O N Whi...

Страница 53: ...Speaker Mic Desense Check Miscellaneous Tests Audio Deviation Limit Repeat Audio Level Data Level Adjust Audio Data Deviation CWID Level Check Local Speaker Mic Tx Hum Noise Ratio PA Receiver Exciter...

Страница 54: ...for an alignment points diagram and Figure 7 10 for a test setup of the Exciter 4 6 4 FULL REPEATER This menu selection walks through the align ment of the entire repeater The Receiver and Exciter po...

Страница 55: ...etter resolution Figure 4 29 COLOR MODE SELECTION 4 7 3 USER LEVEL There are two levels to choose from Novice and Advanced The Novice uses prompts in the Edit Parameters screens when Escape or F2 keys...

Страница 56: ...PULL DOWN MENUS 4 12 October 1999 Part No 001 2009 201...

Страница 57: ...configured 10 Program the Alarms to be configured see Section 4 3 3 press F2 to accept 11 Highlight FILES press Enter 12 Highlight SAVE press Enter 13 Type in a valid DOS filename For this example sit...

Страница 58: ...bit in the mobiles Sync Repeater Yes No Not used Stand Alone Yes No Select if the repeater is not connected to additional repeaters via HSDB ID Validator Yes No Not used CWID Time 0 disabled 1 60 min...

Страница 59: ...LTR Repeater Setup Parameters Edit Local MIC ID 253 RF Power Level 75 Power Source AC Repeater Home 1 20 Sync Repeater No Telco Network Type TIC Area 0 CWID Time 30 CWID Message EXAMPLE ID Validator N...

Страница 60: ...REPEATER PROGRAMMING 5 4 October 1999 Part No 001 2009 201...

Страница 61: ...Biasing for Q201 is provided by R201 R202 R203 R204 and C204 provides RF bypass A 1 8 dB attenuator follows amplifier Q201 Additional filtering of the receive signal is provided by 3 pole helical fil...

Страница 62: ...2 As shown in Figure 6 2 U202 contains second oscillator second mixer limiter detector and RSSI circuitry The 52 95 MHz IF signal is mixed with a 52 5 MHz signal produced by TCXO Y201 and tripler Q205...

Страница 63: ...0 1 PPM stability of the OCXO Oven Con trolled Crystal Oscillator see Section 6 3 The phase detector input signals are generated by counters in U205 that are programmed to divide by a certain number...

Страница 64: ...when U205 pin 17 is low Data is clocked into the shift registers a bit at a time by a low to high transition on the Clock input port U205 pin 18 The Clock pulses come from the MPC via the IAC to J201...

Страница 65: ...cy range The VCO oscillates in a frequency range from 843 848 MHz Biasing of Q802 is provided by R805 R806 and R807 AC voltage divider C812 and C813 initiates and maintains oscillation C803 couples Q8...

Страница 66: ...ogramming circuitry Frequencies are selected by programming the three counters in U209 to divide by assigned numbers The programming of these counters is performed by circuitry in the Main Proces sor...

Страница 67: ...IFIER Q214 Q215 A cascode amplifier formed by Q214 and Q215 provides amplification and also isolation between the VCO and Receiver RF stages A cascode amplifier is used because it provides high revers...

Страница 68: ...on the Exciter the 3 5V reference stability is maintained by U126B C D on the MAC The 3 5V DC passes through summing amplifier U129B and transmit modulation gate U118D to P100 pin 29 Tx MOD P100 pin 2...

Страница 69: ...s stated the counter divide numbers are chosen so the TCXO derived input to the phase detector fV is the same frequency as the OCXO derived input fR The fR input is produced by dividing the 1 25 MHz O...

Страница 70: ...ded by C411 C413 and C414 The output of Q401 Q402 is coupled to U401 pin 11 by C412 6 2 8 EXCITER SYNTHESIZER U403 The synthesizer inputs outputs are shown in Fig ures 6 3 and 6 4 The synthesizer outp...

Страница 71: ...s produced by dividing the VCO frequency using the prescaler and N counter in U403 The prescaler divides by 64 or 65 The divide number of the prescaler is controlled by the N and A counters in U403 Th...

Страница 72: ...Exciter RF stages by C446 R450 and two sections of microstrip 6 2 13 RF AMPLIFIERS Q412 Q413 RF amplifier Q412 is biased by CR402 R469 R470 and R472 C448 provides RF bypass from the DC line and R471...

Страница 73: ...19 Q920 K905 DC ALARM Q923 Q924 Q920 K906 AC ALARM DC ALARM INDICATOR U914A Q916 Q917 DS905 S902 S903 SWITCH CONTROLS FRONT PANEL OCXO 1 S901 TEST TEST OCXO 2 DC ON OFF INDICATOR AC ALARM Q912 DS906 U...

Страница 74: ...connector at the rear of the drawer These relay contacts are capable of handling 1A DC current 6 3 2 OCXOS BUFFERS DIVIDER AND LINE DRIVER The OCXOs produce a signal level greater than 1V RMS Q901 and...

Страница 75: ...10 U907 is a retriggerable one shot multivi brator that is used for pulse detection If four or more 10 MHz pulses from OCXO 1 are missing the output of one shot multivibrator Q2 goes low This turns o...

Страница 76: ...1 AMPLIFIER PRE DRIVER U501 RF input to the PA from the Exciter is through a coaxial cable and connector to WO511 C501 couples the RF to 50 ohm microstrip that connects the input to U501 U501 is a 6W...

Страница 77: ...FILTER The power amplifier output is directly coupled to the forward reverse power detect board via a jumper The output then enters the circulator and exits to the low pass filter board and the antenn...

Страница 78: ...ctor via W510 The Wilkinson combiners provide the capability to split the drive input and combine the final outputs while maintaining isolation between the final amplifi ers Each combiner consists of...

Страница 79: ...lines cannot be changed until after the strobe is set Pin 3 HS CS EX Pin 3 is used in the 900 MHz repeater only A low enables the high stability synthesizer loop Pin 4 GROUND Pin 4 carries ground curr...

Страница 80: ...0 of system deviation in the transmitter The source impedance is low and the input impedance is less than 10k ohms Pin 23 GROUND Pin 23 carries ground current between the RFIB and CBP board Pin 24 UNU...

Страница 81: ...PA heat sensor rises above 50 C and goes low below 45 C 6 6 4 POWER AMPLIFIER CONNECTIONS WO 115 POWER SENSE This capacitive feedthrough pin is at 15V DC to the Power Detect Board WO 116 26 5V DC This...

Страница 82: ...hen VSWR 6 1 the controller will reduce power The voltage level will be between 0V 5V and drive a 10k ohm load This line goes through the multiplexers and A D LEVEL line to the Controller for processi...

Страница 83: ...loading of data into the exciter high stability synthesizer chip U401 Pin 19 RF CLK The clock controls the Exciter synthesizer when loading The input source in the Controller is TTL with the speed det...

Страница 84: ...Pin 16 HS CS RX Pin 16 is the 900 MHz Receiver high stability synthesizer chip select This synthesizer is the same circuit as used in the Exciter A low enables loading the high stability synthesizer l...

Страница 85: ...TOR COMPARATOR MUX RES FORWARD POWER Y2 Y1 Y0 Z E A1 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Y2 Y1 Y0 Z E A1 Z E A2 A1 A0 ADJUST POWER RF POWER CONTROL J1 2 1 HS CS RX RF CLK RF DATA RSSI HS LK RX RX INJ RF DATA RF CLK...

Страница 86: ...nnected to CR104 charges up C106 C107 to 18V off the line This pro vides the bias voltage required to start the controller IC U102 Once the IC turns on current is being switched on L107 A small tap wi...

Страница 87: ...2 Q127 Q128 CT VREF RAMP ISD OUT Q122 Q123 Q124 Q125 T108 L102 U116 Q126 U119 15V DC OUT RAMP ISD OUT 5V DC OUT U117 Q133 U120 L104 T109 Q129 Q130 Q131 Q132 U113 CT EA OUT INV U114 VCC OUT U118 Q138 U...

Страница 88: ...pin 3 goes high C138 R176 CR122 along with U104B creates a very narrow pulse on U104B pin 6 Q110 Q111 and Q112 level shift and buffer this pulse When the narrow pulse is presented to the timing capaci...

Страница 89: ...voltage is sampled by R215 R216 and R217 and sent to the inverting side of the error ampli fier internal to the controller IC on U112 pin 1 Volt age loop compensation is set by C174 C175 and R221 Sync...

Страница 90: ...ly 0 25V P P 6 8 2 CHARGER The charger charges the batteries when the repeater is on and switch S101 is on A tap off of the main transformer of the power supply through wire W104 and a 26 5V line via...

Страница 91: ...er 23 28 5V DC source will engage to the supply allowing the repeater to operate To perform this function a voltage com parator U101 is used to monitor the charge tap com ing from the power supply A 2...

Страница 92: ...go high when the heatsink tempera ture reaches 45 C and will go low when the tempera ture goes below 35 C This output is sent to the power supply through Q106 to turn the fan on and off 6 9 CARD RACK...

Страница 93: ...A BUS HIGH SPEED A5 J2 BOARD CONNECTOR EXTERNAL A10 TO CARD RACK P10 ALARMS A7 TO CARD RACK J1 A6 REPEATER I O J1 TO CARD RACK P11 R X A R I N G T X A R X A T X A T I P T I P 1 R I N G 1 E B E A M A M...

Страница 94: ...vel RSSI signal level audio levels from the MAC Receiver and Exciter from the IAC 6 11 2 MAIN CONTROLLER MICROPROCES SOR U27 This contains the main software and control over the repeater see Figure 6...

Страница 95: ...4k x 8 RAM The RAM Random Access Memory is used for temporary data storage The HSDB processor is configured by the Main Processor The internal data bus of the microprocessor has four input output port...

Страница 96: ...he Controller This bus retrieves infor mation programmed into memory for the operation of the repeater Pins 11 14 Data Bus Pins 43 46 This provides a means of transferring data to and from the CPU on...

Страница 97: ...rates must be the same see Figure 6 20 The baud rate of the com puter can be found from the command line by request ing b h or see Section 3 1 5 To change jumper J13 Power off the station Move P3 to...

Страница 98: ...is time to transmit the CW Identification the main processor on the MPC sends the identifica tion to U111 via the data bus and U160 Rx FIFO The CWID is sent to the Tx Data Amplifier and Fil ter The ou...

Страница 99: ...pplied to Receive Squelch Active Gate U113D When this gate is closed the squelch circuit controls Normal Receive Gate U113B to block receive audio if no signal is present 6 12 5 RECEIVE DATA CIRCUITRY...

Страница 100: ...al input levels the output of a bridge rectifier follows the input of the bridge When a high level signal is applied to the bridge the bridge opens and the output of the bridge is limited to a specifi...

Страница 101: ...modulation on pin 11 to the summing amplifier U129B and gate U118D to the modulation input of the Exciter The repeater on the lowest frequency channel in each system must periodically transmit the st...

Страница 102: ...a Voter system Data from the voted site is injected at this pin 6 12 12 P100 EXTERNAL OUTPUTS Connector P100 contains the audio and data out puts to the terminal block on the back of the Repeater cabi...

Страница 103: ...106 pins 1 2 and 3 4 for external options that require the Tx Data signal Normal operation connects J106 pins 2 3 and 4 5 6 13 INTERFACE ALARM CARD This card stores the information required to oper at...

Страница 104: ...503 Figure 6 19 ALARM EXAMPLE 6 13 3 ALARM INDICATORS There are three forms of alarm indicators from the repeater One form is the two red LEDs and dis play combination on the MPC Refer to Table 1 1 fo...

Страница 105: ...n out put as shown in the cross reference screen of the alarm configuration menu see Figure 4 10 Among these alarms are the thermal sense from the PA and the AC fail alarm output on the terminal block...

Страница 106: ...Controller backplane Pins 41 42 UNUSED Pin 47 READ Read is used with the MREQ line to read data from the MPC processor and external memory Pin 48 WRITE Write is used with the MREQ line to write data...

Страница 107: ...nto the power control register Then the strobe line goes high and back to low The clock or data lines cannot be changed until after the strobe is set Pin 16 HS CS EX This is the 900 MHz Exciter high s...

Страница 108: ...djusting the power control D A lines for proper output power Up to four synthesizer chips and a shift register could be connected to this pin 6 13 7 J500 A D LEVEL TEST POINT 20 lines of the possible...

Страница 109: ...Tx SINGLE ENDED TX U13 P1 3 P3 0 P3 1 D0 D7 T OUT CLK CS RST P1 1 P3 7 P3 6 HIGH SPEED DATA BUS MICROPROCESSOR ALE PSEN A8 A15 P1 2 P1 0 A13 A14 A15 U3 A B C Y0 Y1 Y2 ADDRESS DATA BUS 8 15 U1 CS1 A0...

Страница 110: ...D1 D8 U108 GATE LATCHES CLK U107 U106 U156 U155 U157 CLK D1 D8 CLK D1 D8 CLK D1 D8 CLK D1 D8 CLK D1 D8 U115A VOTER AUDIO MUTE U114D LOCAL AUDIO MUTE U113C RX MUTE U114A RX OPTION U115B RX VOICE U116B...

Страница 111: ...D GATE U157 U117A Tx INTERCOM GATE U157 U117C LOCAL MIC MUTE GATE U164A LOCAL MIC PTT J102 Q101 Q102 U105 LOCAL MIC PTT U106 U164B Tx AUDIO BUFFER U127B C HIGH PASS FILTER 300 Hz U127D LIMITER U127A L...

Страница 112: ...RF DATA RF CLK AC FAIL OUT WO 2 EXT REQ 1 Q1 Q2 Q3 Q4 Q5 Q6 Q7 CLK Q8 U508E U508 U507D J500 U507A U519 RSSI O IFA IN U509A U509B U507B U509C U507C ANALOG LEVEL DETECTOR U503 D1 D8 CLK Q2 Q1 Q501 Q500...

Страница 113: ...30 minutes No fre quency critical adjustments should be attempted until the oscillator frequency has stabilized 7 2 RECEIVER ALIGNMENT Refer to Figure 7 1 for component locations Refer to Figure 7 9 f...

Страница 114: ...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 gene...

Страница 115: ...3 5V DC 0 1V 7 3 3 PROGRAM TUNE UP CHANNEL 1 Program the Transmit Channel 2 Press the space bar to key the Exciter 3 Tune VCO helical L404 for 4 5V 0 05V on U403 pin 6 TP1 4 Measure the Power Output o...

Страница 116: ...PF switches of the modulation analyzer 3 Inject a 1 kHz sine wave with a level of 400 mV RMS into P100 pin 32 on the MAC NOTE This test changes theAudio DeviationLimit Perform test in Section 7 6 6 to...

Страница 117: ...the RF Interface Board would require Section 7 4 2 adjustments Section 7 4 2 adjustments are necessary only if repairs are made and such repairs are likely to affect the sensitivity calibration of th...

Страница 118: ...E This will not harm the PA 3 Adjust Reverse Power Calibration Pot R680 for equal voltages on W126 and W121 on the RFIB or for equal Forward and Reverse Power 4 Press the space bar to unkey the PA 5 A...

Страница 119: ...ted into this measurement CRITICAL ADJUSTMENT 6 Press the space bar to key the PA 7 Adjust Forward Power Calibration Pot R663 for 160W 0 1 dB 3 5W 8 Verify Output 1 is within 20 of Output 2 and Out pu...

Страница 120: ...ER AMPLIFIER ALIGNMENT POINTS Figure 7 5 RF INTERFACE BOARD ALIGNMENT POINTS A8 R680 R663 R701 R702 Q702 Q701 R703 R730 Q502 Q704 Q703 R716 R717 U501 WO510 J101 J104 U108 R170 R171 U104 R150 R106 R76...

Страница 121: ...7 REPEATER TO CIM TEST SETUP RED WHITE BLACK WHITE BLACK GREEN WHITE BLACK GREEN RED WHITE BLACK INCLUDED IN 2000 SERIES SERVICE KIT 250 2000 230 RNT C I M TXS RXA RXA M A C REPEATER LINK LINES AC VO...

Страница 122: ...ULINE ATTENUATOR R680 R663 COMMUNICATIONS SERVICE MONITOR RF INPUT R236 J104 J101 J102 J100 J103 J502 J501 J500 S1 J1 CR3 CR4 CR5 CR2 CR1 DS1 GRN YEL YEL RED RED PROG JACK RESET GND A D LEVEL ON OFF V...

Страница 123: ...209 L207 U207 Y201 L223 L224 L206 L205 L204 L203 L202 L201 L220 U209 J201 J402 U403 PIN 6 RFIB COMMUNICATIONS SERVICE MONITOR 20 dB TM OCXO2 DELTA F OUTPUT AC DC OCXO1 OCXO 2 INTERRUPT OCXO 1 INTERRUP...

Страница 124: ...209 L207 U207 Y201 L223 L224 L206 L205 L204 L203 L202 L201 L220 U209 J201 J402 U403 PIN 6 RFIB TM OCXO2 DELTA F OUTPUT AC DC OCXO1 OCXO 2 INTERRUPT OCXO 1 INTERRUPT INTERRUPT DC BACKUP R284 L231 OSCIL...

Страница 125: ...dB HP 436A POWER METER 50 OHM DUMMY LOAD R663 R680 R509 Q503 B B B B C E B B B B C E Q502 1 2 3 4 B B B B C E Q501 U501 R236 J104 J101 J102 J100 J103 J502 J501 J500 S1 J1 CR3 CR4 CR5 CR2 CR1 DS1 GRN...

Страница 126: ...ly from the chassis and connect via extension cables for some of the tests or adjustments NOTE Unless specifically stated otherwise all mea surements are to be done per the latest TIA docu mented proc...

Страница 127: ...36 for 2 8V RMS 4 Set the RF generator output for 5 dB SINAD 5 Adjust R234 on the MAC so the Receiver just squelches 6 Increase the RF generator output until the Receiver unsquelches Reading shall be...

Страница 128: ...e space bar to key the transmitter 5 Adjust R305 for 0 dBm 775 mV RMS 6 Press the space bar to unkey the transmitter 7 Press F2 to advance to the next screen 8 Final adjustment must be performed on th...

Страница 129: ...f the MAC Set modulation analyzer LPF switch to 3 kHz 2 Press the microphone PTT and say four loudly into the microphone 3 Deviation should measure 1 4 1 6 kHz 4 Release the microphone PTT Transmitter...

Страница 130: ...kHz tone at 1 5 kHz deviation 3 Connect a balanced AC voltmeter with a 600 ohm input impedance between balanced lines RXA and RXA on J2 located on the back of the Repeater 4 Adjust R239 on the MAC fo...

Страница 131: ...D HSDB SWITCH SETTINGS 2 Verify that the repeater is programmed for Stand Alone mode in Setup Parameters F4 see Section 4 3 1 3 The repeater is now in Normal Operation mode Verify by the MPC front pan...

Страница 132: ...EL TX MOD LEVEL TX DATA 15 TX AUDIO 16 TX AUDIO MAIN AUDIO FROM RNT FROM RNT SEC AUDIO FSK TO RNT SEC AUDIO TO RNT P101 J101 J102 GND A D LEVEL TEST POINT ON OFF VOL SPEAKER MIC SPEAKER LOCAL MIC LOCA...

Страница 133: ...CR4 J1 1 7A 2 6 8B S1 J2 1 2 3 1 2 14 13 J3 GRN YEL YEL RED RED COMPUTER I O PROGRAMMING CONNECTOR RESET ON ON S3 1 2 3 J5 1 2 3 J6 CR5 CR3 76800 38400 19200 9600 4800 2400 1200 11 059 12 HSDB MULTI N...

Страница 134: ...R504 CR505 CR502 CR503 CR501 S503 S501 1 4 5 8 1 8 P500 P501 1 17 32 16 32 64 1 33 4 5 8 1 S502 4 5 J500 S500 1 4 5 8 J503 J504 1 4 J505 ALARM 3 ALARM 4 ALARM 2 ALARM 1 5V 15V GND 2 3 5V 15V GND 2 3 5...

Страница 135: ...within its 1 PPM tolerance 8 2 SYNTHESIZER SERVICING 8 2 1 INTRODUCTION Synthesizer malfunctions can be caused by no VCO output or the VCO is unlocked The VCO can be unlocked due to a bad synthesizer...

Страница 136: ...In The operation of the N and A counters can be observed by monitoring pins 16 and 19 Pin 16 fV equals fin 64N A 12 5 kHz if the synthesizer is locked Pin 9 is the modulus control signal Figure 8 1 LO...

Страница 137: ...200 transmit A Cntr Div No 937 500 0125 1171 x 64 75 000 74 944 56 8 3 RECEIVER SERVICING To isolate a receiver problem to a defective sec tion start by checking the DC voltages shown in Sec tion 6 6...

Страница 138: ...e 8 3 POWER SUPPLY REAR VIEW Figure 8 4 POWER SUPPLY FRONT VIEW A B C 1 2 3 4 5 6 7 8 9 10 11 12 28V GND 15V AC FAIL THERMAL SENSE ON OFF GND GND 5V 5V 15V B B TEMP ACTIVE CHARGER ON CHARGER FAULT BAT...

Страница 139: ...ate the value and the color of this letter or number to indicate the multiplier Japanese EIA Standard This uses a letter to indicate the value followed by a number to indicate the multiplier Example 1...

Страница 140: ...n 1 1 10 8 Red 2 2 100 9 Orange 3 3 1000 0 Yellow 4 4 10 000 1 Green 5 5 100 000 2 Blue 6 6 Violet 7 7 Gray 8 8 White 9 9 0 1 6 9 0 1 8 0 01 3 1k 4 10k 5 100k 6 1M 7 10M 2 100 1 10 0 0 Multiplier Valu...

Страница 141: ...lium BeO Inhalation of dust or fumes may cause serious chronic lung disease Refer to the Material Safety Data Sheets for further details 8 8 GRAFOIL REPLACEMENT PROCEDURE When replacing a device that...

Страница 142: ...SERVICING 8 8 October 1999 Part No 001 2009 201...

Страница 143: ...MODULE PART NO 023 2009 932 A 002 895 MHz drop in circulator 585 0590 005 A 004 PA Rx Tx 20 cond ribbon 023 2000 190 A 005 PA Rx Tx 20 cond ribbon 023 2000 190 A 008 N ST BK cable assembly 416 0614 0...

Страница 144: ...Detector 016 2228 015 HW0035 8 24 x 0 094 hex nut NPB 560 9079 028 HW0045 8 x 0 02 lockwasher int CPS 596 9119 028 J 001 2 pin lock receptacle 22 515 9032 232 J 002 2 pin lock receptacle 22 515 9032 2...

Страница 145: ...PA slide 032 0758 015 MP022 Front door 032 0758 020 MP024 Slide lock cam 537 9007 012 MP025 Card guide 4 5 574 9015 006 MP026 PA conn floating plate 017 2226 020 MP028 Flexible grommet 574 0001 025 MP...

Страница 146: ...3 4 7 F 16V tantalum SMD 510 2625 479 C 104 1 F 10 X7R 1206 chip 510 3606 104 C 105 39 pF 5 NPO 1206 chip 510 3602 390 C 107 2 2 F 20V tantalum SMD 510 2626 229 C 108 018 F 10 X7R 0805 chip 510 3605 1...

Страница 147: ...L PART NUMBER DESCRIPTION NUMBER R 057 10k ohm 5 1206 SMD 569 0115 103 R 059 10k ohm 5 1206 SMD 569 0115 103 R 061 43k ohm 5 1206 SMD 569 0115 433 R 063 10k ohm 5 1206 SMD 569 0115 103 R 064 43k ohm 5...

Страница 148: ...569 0115 223 R 162 22k ohm 5 1206 SMD 569 0115 223 R 163 22k ohm 5 1206 SMD 569 0115 223 R 164 22k ohm 5 1206 SMD 569 0115 223 R 165 22k ohm 5 1206 SMD 569 0115 223 SYMBOL PART NUMBER DESCRIPTION NUM...

Страница 149: ...2 309 C 208 33 pF 5 NPO 1206 chip 510 3602 330 C 209 8 2 pF 5 NPO 1206 chip 510 3602 829 C 210 6 8 pF 5 NPO 1206 chip 510 3602 689 C 211 01 F 10 X7R chip 510 3606 103 C 212 01 F 10 X7R chip 510 3606 1...

Страница 150: ...C 304 27 pF 5 NPO 1206 chip 510 3602 270 C 305 01 F 10 X7R 1206 510 3606 103 C 306 18 pF 5 NPO 1206 510 3602 180 C 307 100 pF 5 NPO 1206 510 3602 101 SYMBOL PART NUMBER DESCRIPTION NUMBER C 308 4 7 F...

Страница 151: ...r 542 0015 004 L 222 2T 22 AWG 0 05 ID SMD air 542 0015 002 L 223 Helical coil 016 2186 204 L 224 Helical coil 016 2186 204 L 225 0 9 H variable inductor 7mm 542 1012 008 SYMBOL PART NUMBER DESCRIPTIO...

Страница 152: ...mmer 562 0112 502 R 265 1k ohm 5 1206 SMD 569 0115 102 R 266 220 ohm 5 1206 SMD 569 0115 221 R 267 294 ohm 1 1206 SMD 569 0111 246 R 268 1k ohm 1 1206 SMD 569 0111 301 SYMBOL PART NUMBER DESCRIPTION N...

Страница 153: ...30V SOT 523 1504 014 CR802 Varactor SOT 23 hyper 523 5004 002 L 803 039 H inductor SMD 542 9001 397 L 804 039 H inductor SMD 542 9001 397 SYMBOL PART NUMBER DESCRIPTION NUMBER L 805 022 H inductor SM...

Страница 154: ...pF 5 NPO 1206 chip 510 3602 270 C 484 27 pF 5 NPO 1206 chip 510 3602 270 C 485 27 pF 5 NPO 1206 chip 510 3602 270 C 488 1 F 10 X7R 1210 510 3607 104 C 496 15 F 20V tantalum SMD 510 2626 150 C 497 100...

Страница 155: ...0115 151 R 456 680 ohm 5 SMD 1206 569 0115 681 R 457 36 ohm 5 SMD 1206 569 0115 360 R 458 130 ohm 5 SMD 1206 569 0115 131 R 459 130 ohm 5 SMD 1206 569 0115 131 R 461 8 2k ohm 5 SMD 1206 569 0115 822...

Страница 156: ...60 C 562 018 F 10 X7R 0805 chip 510 3605 183 C 563 6 8 F 35V tantalum SMD 510 2635 689 C 564 56 pF high Q 110 cube 510 3663 560 C 567 56 pF high Q 110 cube 510 3663 560 C 569 39 pF 5 NPO 1206 chip 510...

Страница 157: ...390 pF 5 NPO 1206 chip 510 3602 391 C 507 018 F 10 X7R chip 510 3605 183 C 508 39 pF 5 NPO 1206 chip 510 3602 390 C 509 270 pF 5 NPO 1206 chip 510 3602 271 C 510 390 pF 5 NPO 1206 chip 510 3602 391 C...

Страница 158: ...3663 560 C 736 6 8 F 35V tantalum SMD 510 2635 689 C 737 018 F 10 X7R chip 510 3605 183 SYMBOL PART NUMBER DESCRIPTION NUMBER C 738 56 pF 10 high Q cube 510 3663 560 C 739 27 pF 10 high Q cube 510 366...

Страница 159: ...D 569 0115 111 R 519 1k ohm 5 1206 SMD 569 0115 102 R 520 200 ohm 5 1206 SMD 569 0115 201 SYMBOL PART NUMBER DESCRIPTION NUMBER R 521 3 9k ohm 5 1206 SMD 569 0115 392 R 685 50 ohm 250W flange mt load...

Страница 160: ...hm top adjust SMD pot 562 0135 502 R 664 160 ohm 5 1206 SMD 569 0115 161 R 665 10k ohm 1 1206 SMD 569 0111 401 R 666 10k ohm 1 1206 SMD 569 0111 401 SYMBOL PART NUMBER DESCRIPTION NUMBER R 667 470 ohm...

Страница 161: ...ground tab 017 2210 038 MP254 M PA plate align dowel pin 013 1723 216 MP255 PA heat sink 014 0771 124 MP256 PA shield left 017 2210 026 MP257 PA shield top 017 2210 022 MP258 Right high power PA shiel...

Страница 162: ...6 8 F 35V tantalum SMD 510 2635 689 C 141 1 F 5 X7R 1206 510 3609 104 C 142 1 nF 600V AC double m 510 1023 102 SYMBOL PART NUMBER DESCRIPTION NUMBER C 143 2700 F 35V aluminum 510 4075 272 C 144 2700...

Страница 163: ...CR107 Switching diode SOT 23 523 1504 017 CR108 Switching diode SOT 23 523 1504 017 CR110 Switching diode SOT 23 523 1504 002 SYMBOL PART NUMBER DESCRIPTION NUMBER CR111 Switching diode SOT 23 523 15...

Страница 164: ...PART NUMBER DESCRIPTION NUMBER Q 111 Si NPN amp sw SOT 23 576 0003 600 Q 112 Si NPN amp sw SOT 23 576 0003 600 Q 114 PNP switching 576 0003 612 Q 115 PNP high current SOT 223 576 0006 026 Q 116 14A 50...

Страница 165: ...21 R 172 100k ohm 5 1206 SMD 569 0115 104 R 173 16 9k ohm 1 1206 SMD 569 0111 423 R 174 1k ohm trim pot 562 0110 102 SYMBOL PART NUMBER DESCRIPTION NUMBER R 175 1 8k ohm 5 1206 SMD 569 0115 182 R 176...

Страница 166: ...06 SMD 569 0115 431 R 268 4 7k ohm 5 1206 SMD 569 0115 472 R 269 360 ohm 5 1206 SMD 569 0115 361 R 270 33k ohm 5 1206 SMD 569 0115 333 R 271 3 3k ohm 5 1206 SMD 569 0115 332 SYMBOL PART NUMBER DESCRIP...

Страница 167: ...CRIPTION NUMBER RV002 Metal oxide varistor 569 3503 001 W 001 Wire 1 assembly 023 2000 825 W 002 Wire 2 assembly 023 2000 826 W 003 Wire 3 assembly 023 2000 827 W 004 Wire 4 assembly 023 2000 828 W 00...

Страница 168: ...02 R 106 2k ohm 5 2512 SMD 569 0175 202 R 107 1k ohm 5 1206 SMD 569 0115 102 R 108 2k ohm 5 1206 SMD 569 0115 202 R 109 2k ohm 5 1206 SMD 569 0115 202 R 110 2k ohm 5 1206 SMD 569 0115 202 R 111 51 ohm...

Страница 169: ...606 102 C 906 150 pF 5 NPO 1206 chip 510 3602 151 C 907 150 pF 5 NPO 1206 chip 510 3602 151 C 908 01 F 10 X7R chip 510 3606 103 C 909 22 F 16V SMD tant SMD 510 2625 220 C 910 22 F 16V SMD tant SMD 510...

Страница 170: ...ne header 515 7100 003 J 906 3 pin single inline header 515 7100 003 J 907 3 pin single inline header 515 7100 003 J 908 3 pin single inline header 515 7100 003 J 909 3 pin single inline header 515 71...

Страница 171: ...0115 103 R 925 270k ohm 5 1206 SMD 569 0115 274 SYMBOL PART NUMBER DESCRIPTION NUMBER R 926 Zero ohm 5 1206 SMD 569 0115 001 R 927 100 ohm 5 1206 SMD 569 0115 101 R 928 150 ohm 5 1206 SMD 569 0115 151...

Страница 172: ...89 C 103 001 F 5 NPO 1206 chip 510 3602 102 C 104 220 F 25V aluminum radial 510 4225 221 C 105 15 F 20V SMD tantalum 510 2626 150 C 106 15 F 20V SMD tantalum 510 2633 150 C 107 001 F 5 NPO 1206 510 36...

Страница 173: ...sulator 018 1080 001 EP003 Crystal pin insulator 018 1080 001 EP004 Crystal pin insulator 018 1080 001 SYMBOL PART NUMBER DESCRIPTION NUMBER HW001 Panel fastener 537 0011 031 HW001 Card injector extra...

Страница 174: ...6 544 2023 025 U 025 MPC boot code 023 9998 277 U 026 BCD 7 latch DIP 16 MC14495 544 3014 495 U 027 CPU v25 PLCC 84 MPD7032 544 5002 016 U 028 EEPROM PLCC32R 28C64 544 5002 412 U 030 HEX inverting Sch...

Страница 175: ...73 01 F 10 X7R chip 510 3606 103 C 174 01 F 10 X7R chip 510 3606 103 C 175 01 F 10 X7R chip 510 3606 103 C 176 01 F 10 X7R chip 510 3606 103 SYMBOL PART NUMBER DESCRIPTION NUMBER C 177 01 F 10 X7R chi...

Страница 176: ...0 224 C 280 022 F 5 X7R 1206 510 3609 223 C 281 820 pF 2 NPO 1206 510 3616 821 C 282 1 F 10 X7R 1206 510 3606 104 C 283 1 F 10 X7R 1206 510 3606 104 SYMBOL PART NUMBER DESCRIPTION NUMBER C 285 470 F 2...

Страница 177: ...23 330k ohm 5 1206 SMD 569 0115 334 SYMBOL PART NUMBER DESCRIPTION NUMBER R 124 1M ohm 5 1206 SMD 569 0115 105 R 125 100k ohm 5 1206 SMD 569 0115 104 R 126 100k ohm 5 1206 SMD 569 0115 104 R 127 470k...

Страница 178: ...SMD 569 0115 184 R 220 16k ohm 5 1206 SMD 569 0115 163 R 222 100k ohm 5 1206 SMD 569 0115 104 SYMBOL PART NUMBER DESCRIPTION NUMBER R 223 6 8k ohm 5 1206 SMD 569 0115 682 R 225 10k ohm 5 1206 SMD 569...

Страница 179: ...9 0115 001 R 323 Zero ohm 5 1206 SMD 569 0115 001 SYMBOL PART NUMBER DESCRIPTION NUMBER RT100 10k ohm chip thermistor 569 3013 007 S 100 8 pos DIP switch 583 5002 008 S 101 4 pos DIP switch 583 5002 0...

Страница 180: ...F 10 X7R chip 510 3606 103 C 530 220 F 25V aluminum radial 510 4225 221 SYMBOL PART NUMBER DESCRIPTION NUMBER C 531 01 F 10 X7R chip 510 3606 103 C 532 1000 F 25V aluminum radial 510 4225 102 C 533 01...

Страница 181: ...9 0115 472 R 522 10k ohm 1 1206 SMD 569 0111 401 R 523 10k ohm 1 1206 SMD 569 0111 401 SYMBOL PART NUMBER DESCRIPTION NUMBER R 524 4 7k ohm 5 1206 SMD 569 0115 472 R 525 10k ohm 1 1206 SMD 569 0111 40...

Страница 182: ...IC 74HC574 544 3766 574 U 506 8 bit A D converter 544 2031 001 U 507 Bilateral switch SOIC 4066B 544 3016 066 U 508 Hex open drain buffer SO 14 544 3716 906 U 509 Quad op amp SOIC 544 2020 008 U 510 N...

Страница 183: ...0006 109 1 2 1 1 3 1 1 1 1 3 4 4 5 1R 2X R2 R3 3604 2T R25 2A 1A DIODES 523 1504 002 523 1504 012 523 1504 015 523 1504 016 523 1504 023 523 2016 180 523 2016 479 523 2016 519 523 2016 629 523 2016 91...

Страница 184: ...SCHEMATICS AND COMPONENT LAYOUTS 10 2 October 1999 Part No 001 2009 201 Figure 10 1 RF MODULE INTERFACE CONNECTOR Figure 10 2 BACKPLANE CABLE CONNECTIONS...

Страница 185: ...FIGURE 10 3 REPEATER REAR VIEW FIGURE 10 4 REPEATER FRONT VIEW FIGURE 10 5 OCXO DRAWER FIGURE 10 6 REPEATER CABINET EXPLODED VIEW FIGURE 10 7 GND RX TX MPC MAC IAC PA EXCITER RECEIVER RFIC 10 3 Octob...

Страница 186: ...1 6 23 7 24 8 25 9 26 10 27 11 28 12 29 13 30 14 31 15 32 16 33 17 34 A8 23 5 22 4 21 3 20 2 19 1 6 24 7 25 8 26 9 27 10 28 11 29 12 30 13 31 14 32 15 33 16 34 17 35 J101 WO 113 18 36 WO 106 WO 112 WO...

Страница 187: ...9 7 6 5 4 3 2 1 P10 P10 15V 15V 25 15V ACCESSORY 24 15V ACCESSORY 26 15V FILTERED 58 15V FILTERED 7 ALARM 3 IN 39 ALARM 3 IN 8 ALARM 4 IN 40 ALARM 4 IN 9 SQELCH ENABLE 41 IAC 41 10 EXT REQ 2 42 BUF R...

Страница 188: ...F OUT 3 WO123 RF OUT 2 WO122 RF OUT 1 U104 1 8 9 16 U110 1 8 9 16 R66 R65 R64 R63 R58 R57 R60 R59 R199 R198 C119 19 20 1 2 J103 WO 142 WO 140 WO 141 WO 138 WO 136 WO 137 WO 139 19 20 1 2 J102 WO 134 W...

Страница 189: ...U110E 74HC906 U110F Y6 14 E 6 5 13 11 12 R57 10k R59 10k 1 12 14 15 Y4 Y3 Y1 Y2 3 9 10 11 Z A2 A1 A0 U105 HEF405TBTD 13 Y0 U106 HEF405TBT D R165 22k Z 3 R164 22k R163 22k R166 22k R197 10k 5V R50 4 99...

Страница 190: ...6 Q207 Q210 Q211 EP6 R241 R312 R288 C328 C327 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...

Страница 191: ...SCHEMATICS AND COMPONENT LAYOUTS 10 9 October 1999 Part No 001 2009 201 Figure 10 14 RECEIVE VCO COMPONENT LAYOUT...

Страница 192: ...CR801 C802 R801 C807 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 R8...

Страница 193: ...77 150 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...

Страница 194: ...1 C412 R420 C411 R423 C478 L401 C413 R485 R431 C419 R430 C416 R432 R433 C418 C417 C420 Q402 Q401 R418 Q404 Q403 L402 C453 R428 Y401 EP402 EP405 L403 C430 R450 C499 R434 R452 C498 R457 C431 Q406 R451 C...

Страница 195: ...SCHEMATICS AND COMPONENT LAYOUTS 10 13 October 1999 Part No 001 2009 201 Figure 10 18 TRANSMIT VCO COMPONENT LAYOUT C814 C814 IS PLACED ON TOP OF R807...

Страница 196: ...3 CR801 C802 R801 C807 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 R...

Страница 197: ...ADJ C441 1pF Q410 3636 Q411 3636 R467 1 6k R466 1 6k R465 1 2k R468 150 C480 39pF C444 27pF C443 27pF R464 5 6k L406 039uH R463 100 C442 27pF R462 10 C434 27pF 12V C446 27pF C445 27pF R443 36 R470 330...

Страница 198: ...Q502 C569 R511 R510 R515 C571 R513 R512 C570 R514 C567 C552 C551 C538 C536 B C B B B E Q501 C586 C525 C526 C523 C524 C537 C588 EP505 C522 EP520 U501 C532 C516 C513 C512 C514 C504 C503 C502 C511 C515 C...

Страница 199: ...V OUT U504 78L05 V IN 6 2V SOURCE C578 018 C579 001 C581 018 8 7 6 5 V IN NC 7 NC 6 NC 5 U503 LM35D NC 2 NC 3 GND V OUT 2 3 4 1 C583 39pF U502A 2904 3 2 1 R526 301k C584 001 R525 100k R527 470 C585 01...

Страница 200: ...EP706 C722 C724 C719 C723 C718 C720 C717 C772 EP702 WO503 C762 C711 C706 EP705 EP703 EP704 C709 C710 C712 C707 C708 C705 C771 EP701 WO503A R701 WO 502A C765 C769 C761 Q502 B B B B C E C568 C552 C551...

Страница 201: ...07 15V 2 26V FINAL 1 26V FINAL 2 3 2 26V 2 FINAL 4 WO 515 FINAL POWER 1 WO 511 RF 1 WO 516 FINAL POWER 2 WO 512 RF 2 WO 517 FINAL POWER 3 WO 513 RF 3 WO 518 FINAL POWER 4 WO 514 RF 4 WO 521 GAIN BLOCK...

Страница 202: ...R665 C673 R658 C654 C683 WO657A WO654 R663 U651 WO651 WO650 R651 R654 L651 R653 L652 C653 R655 C684 MP651 L653 CR651 CR652 WO657B WO655 WO656 R686 R667 R667 C656 C665 R684 R689 R681 R677 C677 R676 C67...

Страница 203: ...51 L654 033uH R670 160 L655 12 5nH 50 L656 039uH C667 27pF WO 656 REFLECTED POWER SENSE C665 27pF R684 470 U652A 2904 7 C678 27pF R680 5k R683 10k C679 001 R682 7 5k C682 001 R689 10k R681 160 U652B...

Страница 204: ...4 U901 C939 1 7 8 14 U902 C940 R920 R921 C941 C942 C910 C909 8 14 1 7 U904 1 7 8 14 U903 9 16 1 8 U912 9 16 1 8 U907 R913 C906 R916 R914 C905 C943 R915 C947 1 7 8 14 U910 C921 C922 1 8 9 16 U913 C946...

Страница 205: ...1 3658 15V K903 14 8 1 7 11 OCXO 2 ALARM 12 OCXO 2 ALARM 3 2 1 J907 P907 CLOSE UPON ALARM OPEN UPON ALARM R941 0 Q912 3658 5V R927 100 R928 150 DS901 OK GREEN ALARM RED DELAT F Q913 3658 5V R944 0 U91...

Страница 206: ...RE 10 29 10 24 1 2 3 3 2 1 4 5 6 J101 S101 AC INPUT 115V AC 230V AC F101 AC FUSE 2 4 3 7 8 6 1 5 T101 CR103 CR104 CR101 CR102 C101 C102 C108 C104 C105 C112 C109 C106 R102 R101 C107 CR105 C110 WO101 AC...

Страница 207: ...15V 230V 4 3 2 10 5 6 7 8 C101 1000 C102 6 8 C103 001 2 3 U101 LM117T V IN VOUT A VOUT B ADJ 4 1 R101 2 49k C104 220 C105 15 R102 220 C106 15 13 8V C107 001 C108 2200 CR105 C109 15 15V C110 001 1 2 U1...

Страница 208: ...0 1 7 8 14 U15 8 14 7 R34 Z1 Z2 C18 C17 1 C16 C15 64 32 Y1 C8 C1 U14 U3 U8 9 16 8 1 20 1 11 10 1 28 15 14 C12 U10 1 14 15 28 R2 U1 15 28 1 14 A 1 2 3 4 5 6 B J1 C5 R37 R36 R20 R19 R18 R17 R38 R39 CR1...

Страница 209: ...4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 8 7 6 5 2 1 28 27 11 CS 2 4 6 8 10 12 14 13 11 9 7 5 3 1 J3 J3 U21 MC14024 O0 O1 O2 O3 O4 O5 O6 12 11 9 6 5 4 3 MR 2 76800 38400 19200 9600 4800 2400 1200 CP 1 20 PT...

Страница 210: ...1 U27 67 1 S1 4 V25 DATA BUS 7 0 TX FIFO U20D U6C 13 12 11 8 9 MSTB 10 U4 15 1 P1 16 1 3 2 1 C B A A13 A14 A15 U3 74HC138 4 5 G2A G2B Y2 Y1 15 14 13 G1 5V 6 19 18 17 16 15 13 12 11 IO0 IO7 IO6 IO5 IO4...

Страница 211: ...83 R288 R289 C286 C251 C254 R291 C185 R219 C183 Q102 Q101 R220 R226 C161 R225 R254 R285 R227 R223 C207 U114 1 8 16 9 U127 8 14 7 1 U117 1 8 16 9 U164 1 4 5 8 CR105 CR104 CR103 C200 R152 R153 C139 R154...

Страница 212: ...R323 R320 R271 C184 R164 R275 R161 C181 R166 C144 C145 R321 C201 R165 C142 R167 R162 C136 U118 1 8 9 16 R163 C143 C137 R159 R160 R274 C195 R168 R201 R202 R204 C273 R221 R278 R100 U151 CR111 CR112 U12...

Страница 213: ...ADDRESS LATCH U112 27C256A 8 9 10 D0 D1 D2 D3 D4 D5 D6 12 13 15 16 17 18 19 D7 11 A0 A1 A2 A3 A4 A5 A6 A7 A0 A1 A2 A3 A4 A5 A6 A7 10 9 8 7 6 5 4 3 22 OE CE 20 15V 62 15V 30 Z102 15V SOURCE WO 111 WO...

Страница 214: ...9 11 12 5 6 8 7 5V SECONDARY AUDIO TO RNT 14 RXA P100 VOICE AMPLIFIER U114D LOCAL AUDIO MUTE GATE 14 15 16 U108 18 1 LOCAL AUDIO MUTE GATE R254 47k R236 10k C299 01 C295 220 ON OFF VOL R291 1k C286 10...

Страница 215: ...C133 0047 R150 86 6k U127B 2904 7 6 5 R308 909k C298 0033 R309 25 5k C297 0039 U127C 3303 8 9 10 CR112 2 4V CR111 2 4V R144 1k U127D 3303 14 13 12 CR103 R279 150k R280 150k 5V 5V CR104 CR105 R145 150k...

Страница 216: ...64 R550 R549 R545 R552 R551 R563 C516 R568 R554 R567 R553 U518 U518 S502 8 5 1 4 1 2 3 1 3 4 6 7 1 8 14 J503 CR536 CR527 CR537 C504 CR511 CR510 U521 1 10 11 20 WO 503 WO 504 WO 505 R547 R561 C514 C515...

Страница 217: ...220 C529 01 R578 2 7k CR525 15V R576 2 7k CR523 ACCESSORY 24 ACCESSORY 25 15V 15V 15V ACCESSORY F501 2A CR526 C532 1000 C531 01 ALARM 2 OUT 20 14 1 8 7 2 1 3 6 15V Q501 3658 K501 R524 4 7k R532 4 7k...

Страница 218: ...FIGURE 10 41 10 36 F1 F2 F3 P9 P13 P15 P17 P2 P4 P6 P8 P7 P5 P3 P18 P16 P14 P12 P1 1 33 32 64 1 17 32 16 1 33 32 64 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 17 32 16 1 33 3...

Страница 219: ...October 1999 Part No 001 2009 201 10 37 BACKPLANE COMPONENT LAYOUT CABLE SIDE FIGURE10 42 1 2 25 26 P10 1 2 33 34 J2 1 2 33 34 J1 1 6 P11 WO4 WO1 WO2 WO6 WO7 WO3 WO17 WO16 WO13 WO5 WO8...

Страница 220: ...OUT 1 COM 49 COM 50 ALARM 3 OUT ALARM 4 OUT TX DATA IN RX VOICE TX VOICE BUF RX WBAND COMM 6 P10 TO GREEN CONNECTOR J1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PTT ENABLE...

Страница 221: ...203 R263 R223 R226 R259 C175 R221 C201 C200 U113 R264 R162 R185 R221 R221 R187 R189 R188 R138 R139 C151 R118 R135 R230 C157 C234 C231 R273 R190 R158 R137 R136 C154 C155 R184 R170 R171 R169 U106 R184 R...

Страница 222: ...W113 W111 EP103 EP104 C106 C101 C205 U114 R254 C209 L105 T109 C186 CR132 Q132 CR126 Q125 U111 T108 L104 CR135 C188 CR129 C187 C166 L102 W109 C165 R216 L103 CR141 W115 W107 C169 C163 J102 J101 L101 CR...

Страница 223: ...0 1 8 3 12 16 18 19 20 15 14 R272 51 C207 0022 C210 0022 67V TO BATTERY BACK UP EP106 R166 10 R167 10 R168 10 C142 001 CR121 CR128 L101 TO SYNC CIRCUIT U104 Q110 Q111 Q112 2 APPROXIMATELY 100V PEAK C...

Страница 224: ...WO 115 HIGH CURRENT OUT WO 107 15V DC OUTPUT WO 108 GROUND R211 12 4k R212 2 26k C220 1 U116 TL431ID 8 CATHODE 7 6 5 ANODE A ANODE B NC A REF ANODE D ANODE C NC B R214 1k 1 2 3 4 Q126 3612 R213 200 C1...

Страница 225: ...LAYOUT FIGURE 10 48 EARTH GROUND AC HOT NEUTRAL CHASSIS GROUND F1 20A C1 22 C2 22 L1 1 8uH C3 0022 C4 0022 L2 8 67nH R1 1M C5 22 RV2 RV1 BRN RED BLU BLK GRN YEL WO1 AC HOT WO5 POS OUT WO3 NEUTRAL WO4...

Страница 226: ...R116 F101 W102 R121 C116 C124 R124 C125 U102 R115 C103 C107 R147 R146 R112 R112 R119 R118 U103 R151 R150 C115 R149 R144 R148 R145 8 5 4 1 CR104 1 4 5 8 1 4 5 8 U104 R136 R137 CR117 CR114 C134 C133 R11...

Страница 227: ...1 26V C101 01 24V HIGH CURRENT TRACE 30A BATTERY 67V L101 C119 220 26V C105 1000 R136 3 3k R137 3 3k 2 VIN U107 LM317M GND V OUT 3 1 C106 1 R138 240 R139 3 3K R140 1k C109 1 C110 6 8 C111 1000 Q104 20...

Страница 228: ...ONNECTOR AND SCHEMATIC FIGURE 10 52 U101 2 7k GCELL IN 1 COMP IN COMP OUT GCELL IN 2 RECT IN 2 EXP OUT RECT IN 1 I REF COMP CAP2 COMP CAP1 V REF EXP CAP 4 7 12 39k 4 7 1 1 1 6 13 11 5 3 001 10 9 8 4 2...

Страница 229: ...75 896 4875 40 40 935 5000 896 5000 41 41 935 5125 896 5125 42 42 935 5250 896 5250 43 43 935 5375 896 5375 44 44 935 5500 896 5500 Program FCC Repeater Repeater Channel Channel Transmit Receive Numbe...

Страница 230: ...2 936 6500 897 6500 133 133 936 6625 897 6625 134 134 936 6750 897 6750 135 135 936 6875 897 6875 136 136 936 7000 897 7000 Program FCC Repeater Repeater Channel Channel Transmit Receive Number Number...

Страница 231: ...8375 228 228 937 8500 898 8500 229 229 937 8625 898 8625 230 230 937 8750 898 8750 231 231 937 8875 898 8875 232 232 937 9000 898 9000 Program FCC Repeater Repeater Channel Channel Transmit Receive Nu...

Страница 232: ...0375 324 324 939 0500 900 0500 325 325 939 0625 900 0625 326 326 939 0750 900 0750 327 327 939 0875 900 0875 328 328 939 1000 900 1000 Program FCC Repeater Repeater Channel Channel Transmit Receive Nu...

Страница 233: ...7625 900 7625 382 382 939 7750 900 7750 383 383 939 7875 900 7875 384 384 939 8000 900 8000 385 385 939 8125 900 8125 386 386 939 8250 900 8250 387 387 939 8375 900 8375 388 388 939 8500 900 8500 389...

Страница 234: ...900 MHz CHANNEL FREQUENCY CHART A 6 October 1999 Part No 001 2009 201 This page intentionally left blank...

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