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UHF Analog Driver/Transmitter/Translator

Table of Contents

LX Series, Rev. 3

LIST OF TABLES

TABLE

PAGE

2-1

LX Series Trays and Assemblies................................................... 2-1

2-2

Receiver Front Panel Switch........................................................ 2-3

2-3

Receiver Front Panel Status Indicators .......................................... 2-3

2-4

Receiver Front Panel Control Adjustments ..................................... 2-3

2-5

Receiver Front Panel Samples ..................................................... 2-3

2-6

Modulator Front Panel Switch...................................................... 2-4

2-7

Modulator Front Panel Status Indicators ........................................ 2-4

2-8

Modulator Front Panel Control Adjustments.................................... 2-5

2-9

Modulator Front Panel Sample ..................................................... 2-5

2-10

IF Processor Front Panel Switch................................................... 2-6

2-11

IF Processor Front Panel Status Indicators ..................................... 2-6

2-12

IF Processor Front Panel Control Adjustme nts................................. 2-7

2-13

IF Processor Front Panel Sample .................................................. 2-7

2-14

VHF/UHF Upconverter Front Panel Switch...................................... 2-8

2-15

VHF/UHF Upconverter Front Panel Status Indicators ........................ 2-8

2-16

VHF/UHF Upconverter Front Panel Control Adjustments.................... 2-8

2-17

VHF/UHF Upconverter Front Panel Samples.................................... 2-8

2-18

Controller/Power Supply Front Panel Display .................................. 2-9

2-19

Controller/Power Supply Front Panel Status Indicators ..................... 2-9

2-20

Controller/Power Supply Front Panel Control Adjustments................. 2-9

2-21

Power Amplifier Front Panel Status Indicators................................2-11

2-22

Power Amplifier Front Panel Control Adjustments...........................2-11

2-23

Power Amplifier Front Panel Sample ............................................2-11

2-24

Driver Amplifier Front Panel Status Indicators................................2-13

2-25

Driver Amplifier Front Panel Control Adjustments...........................2-13

2-26

Driver Amplifier Front Panel Sample ............................................2-13

2-27

UHF Television Frequencies .......................................................2-16

2-28

LX Series Chassis Customer Remote Connections................... 2-18

3-1

LX Series Transmitters AC Input and Current Requirements .............. 3-1

3-2

LX Series Transmitters AC Input and Current Requirements .............. 3-6

3-3

Rear Chassis Connections for LX Series Analog Transmitters ............. 3-8

(Optional) Exciter Switcher Menu Screens

....................................................3-11

3-4

Exciter Switcher Menu 01 Splash Screen #1 .................................3-11

3-5

Menu 02 Splash Screen #2........................................................3-11

3-6

Menu 03 Exciter Switcher Control Screen, Automatic Operation .......3-11

3-7

Menu 04 Exciter Switcher Control Screen, Manual Operation...........3-11

3-8

Menu 05 Exciter Switcher Control Screen, Amps On Line ................3-11

3-9

Menu 06 Exciter Switcher Control Screen, Cancel Auto Back up.......3-12

3-10

Menu 07 Exciter Switcher Control Screen, B Back up to A...............3-12

3-11

Menu 08 Exciter Switcher Control Screen, back up Changeover.......3-12

3-12

Menu 09 Exciter Switcher Control Screen, Ext Amp Status..............3-12

3-13

Menu 10 Exciter Switcher Control Screen, Ext Amp Status..............3-12

LX System Controller Menu Screens

.............................................................3-13

3-14

Menu 01 Splash Screen #1........................................................3-13

3-15

Menu 02 Splash Screen #2........................................................3-13

3-16

Menu 10 Main Screen ..............................................................3-13

3-17

Menu 11 Error List Access Screen...............................................3-14

3-18

Menu 12 Transmitter Device Data Access Screen ..........................3-14

3-19

Menu 13 Transmitter Configuration Access Screen ........................3-14

Содержание INNOVATOR

Страница 1: ...RUCTION MANUAL Innovator LX Series UHF Analog Driver Transmitter Translator AXCERA LLC 103 FREEDOM DRIVE P O BOX 525 LAWRENCE PA 15055 0525 USA 724 873 8100 FAX 724 873 8105 www axcera com info axcera...

Страница 2: ...2 2 Control and Status 2 14 2 2 1 Front Panel LCD Display Screen 2 14 2 3 System Operation 2 14 2 3 1 Principles of Operation 2 14 2 4 Maintenance 2 17 2 5 Customer Remote Connections 2 17 CHAPTER 3...

Страница 3: ...mbining the 45 75 MHz 41 25 MHz IF Signals 4 7 4 2 1 14 Voltage Requirements 4 8 4 3 IF Processor Module 4 8 4 3 1 IF Processor Board 4 8 4 3 1 1 Modulator Selected 4 8 4 3 1 2 External Modulated IF S...

Страница 4: ...Assembly 4 26 4 7 4 Coupler Board Assembly 4 26 4 7 5 Amplifier Control Board 4 26 4 7 5 1 Schematic Page 1 4 27 4 7 5 2 Schematic Page 2 4 27 4 7 5 3 Current Monitoring Sections of the Board 4 28 4 7...

Страница 5: ...hassis Assembly Rear View 2 18 3 1 1 kW Minimum Ventilation Configuration 3 4 3 2 Front and Rear View Reconnection Drawings 3 5 3 3 Ac Input Box Assembly 3 7 3 4 Rear View of LX Series Analog Transmit...

Страница 6: ...Sample 2 11 2 24 Driver Amplifier Front Panel Status Indicators 2 13 2 25 Driver Amplifier Front Panel Control Adjustments 2 13 2 26 Driver Amplifier Front Panel Sample 2 13 2 27 UHF Television Frequ...

Страница 7: ...3 18 3 31 Menu 40 7 Transmitter Set Up System Visual Power Cal Screen 3 19 3 32 Menu 40 8 Transmitter Set Up System Aural Power Cal Screen 3 19 3 33 Menu 40 9 Transmitter Set Up System Rfltd Power Cal...

Страница 8: ...ns drawings and parts lists Appendix C contains a transmitter log sheet 1 2 Assembly Designators Axcera has assigned assembly numbers Ax designations such as A1 where x 1 2 3 etc to all assemblies mod...

Страница 9: ...not be blocked Servicing Do not attempt to service this product yourself until becoming familiar with the equipment If in doubt refer all servicing questions to qualified Axcera service personnel Repl...

Страница 10: ...t it has manufactured and sold against defects in material and workmanship under normal use and service for a period of one 1 year from the date of shipment from Axcera s plant when operated in accord...

Страница 11: ...TMENTS TO THE SYSTEM RADIO FREQUENCY RADIATION HAZARD MICROWAVE RF AMPLIFIERS AND TUBES GENERATE HAZARDOUS RF RADIATION THAT CAN CAUSE SEVERE INJURY INCLUDING CATARACTS WHICH CAN RESULT IN BLINDNESS S...

Страница 12: ...eck with one hand and push down on his forehead with the other This opens the airway Sometimes doing this will let the person breathe again by himself 3 If he is still not breathing begin rescue breat...

Страница 13: ...516 83 517 75 22 518 524 519 25 522 83 523 75 23 524 530 525 25 528 83 529 75 24 530 536 531 25 534 83 535 75 25 536 542 537 25 540 83 541 75 26 542 548 543 25 546 83 547 75 27 548 554 549 25 552 83...

Страница 14: ...0 686 692 687 25 690 83 691 75 51 692 698 693 25 696 83 697 75 52 698 704 699 25 702 83 703 75 53 704 710 705 25 708 83 709 75 54 710 716 711 25 714 83 715 75 55 716 722 717 25 720 83 721 75 56 722 72...

Страница 15: ...GAWATT 90 60 100 000 100 KILOWATTS 80 50 10 000 10 KILOWATTS 70 40 1 000 1 KILOWATT 60 30 100 1 HECTROWATT 50 20 50 47 17 20 43 13 10 1 DECAWATT 40 10 1 1 WATT 30 0 77 137 7 07V 0 1 1 DECIWATT 20 10 6...

Страница 16: ...als 0 8327 Canadian gallon fluid ounce fl oz milliliters ml 29 57353 British Thermal Unit watt W 0 2930711 per hour Btu hr horsepower hp watt W 746 NOMENCLATURE OF FREQUENCY BANDS FREQUENCY RANGE DESI...

Страница 17: ...BW Bandwidth DC Direct Current D A Digital to analog dB Decibel dBm Decibel referenced to 1 milliwatt dBmV Decibel referenced to 1 millivolt dBw Decibel referenced to 1 watt FEC Forward Error Correcti...

Страница 18: ...UHF Analog Driver Transmitter Translator Chapter 1 Introduction LX Series Rev 3 1 11 RETURN LOSS VS VSWR 1 001 1 01 1 1 2 0 VSWR 0 10 20 30 40 50 60 70 R E T U R N L O S S dB...

Страница 19: ...driver is determined by the level needed to attain the full output power of the transmitter The driver s maximum output is 7 Watts peak of sync The Analog LX Series driver transmitter translator is m...

Страница 20: ...s connected to a load The front panel has a 4 x 20 display providing a four line readout of the operation and control of the exciter switcher The LCD screens are detailed in Chapter 3 2 1 Exciter Ampl...

Страница 21: ...amplifier Board to the Bias off position between pins 2 3 to prevent possible damage to the test equipment Table 2 2 Receiver Front Panel Switch SWITCH FUNCTION MAN AUTO ALC SW1 When Manual ALC is sel...

Страница 22: ...lamp and sync and white clipping circuitry The IF oscillator is oven controlled and locked to a 10 MHz reference for stability The IF signal is fed through a SAW filter for precise sideband shaping Th...

Страница 23: ...e IF Processor Board 1301977 The IF Processor provides pre correction to ensure broadcast quality output signal The pre correction consists of amplitude linearity correction Incidental Carrier Phase M...

Страница 24: ...n level is too low or non existent a Modulation Present Fault is reported to the Control Monitoring board When the controller detects this fault it can be set to Automatically Mute the transmitter or...

Страница 25: ...Assembly contains A1 a Downconverter Board Assembly 1303834 A3 a First Conversion Board LX Series 1303838 A2 a L Band PLL Board LX Series 1303846 and A4 an Upconverter Control Board 1304760 A 0 dBm 4...

Страница 26: ...ndicates that the 1 GHz PLL is unlocked PLL 2 Fault Red When lit it indicates that the 1 1 1 9 GHz PLL is unlocked AGC Fault Red When lit it indicates that the AGC is out of range AGC Override Red Whe...

Страница 27: ...voltages The LCD screens are detailed in Chapter 3 Table 2 18 Controller Power Supply Display DISPLAY FUNCTION LCD A 4 x 20 display providing a four line readout of the internal functions external in...

Страница 28: ...ng Power Supply module The 100 Watt Transmitter Exciter Driver Power Amplifier module and any External Amplifier modules contain the same control and monitoring board This board monitors RF output pow...

Страница 29: ...e are OK TEMP Green When lit Green it indicates that the temperature of the heatsink assembly in the module is below 78 C MOD OK Green When lit Green it indicates that the PA Module is operating and h...

Страница 30: ...Amplifier module and any External Amplifier modules contain the same control and monitoring board This board monitors RF output power RF reflected power the current draw of amplifier sections the sup...

Страница 31: ...the PA module are OK TEMP Green When lit Green it indicates that the temperature of the heatsink assembly in the module is below 78 C MOD OK Green When lit Green it indicates that the PA Module is ope...

Страница 32: ...he IF Processor will be enabled and the mute indicator on the front panel will be extinguished The 32 VDC stage of the Power Supply in the Control Monitoring Module is enabled the operate indicator on...

Страница 33: ...by Mode The standby mode in the transmitter indicates that the output amplifier of the transmitter is disabled Entering Standby Mode Similar to the operate mode the standby mode is entered using vario...

Страница 34: ...MHz 695 01 694 99 24 533 MHz 533 01 532 99 52 701 MHz 701 01 700 99 25 539 MHz 539 01 538 99 53 707 MHz 707 01 706 99 26 545 MHz 545 01 544 99 54 713 MHz 713 01 712 99 27 551 MHz 551 01 550 99 55 719...

Страница 35: ...ould be removed NOTE To remove the driver power amplifier module mounted in the exciter driver assembly the input and output cables must be removed from the rear of the module and also a 6 32 x Philip...

Страница 36: ...return which can be either jumpered directly to ground or it can be the source pin of an FET so that the transmitter interlock can be daisy chained with other transmitters This signal does not directl...

Страница 37: ...r is 100 3 2V RMT System Aural Power TB30 12 Analog Output 0 to 4 0 V This is a buffered loop through of the calibrated System Aural Power Indicates the transmitter s forward Aural output power The sc...

Страница 38: ...This voltage is used by the Upconverter for gain control Linear signal with display resolution of 0 01 Primary signal source is J34 1 RMT Ground TB30 15 and 17 Ground pins available through Remote RM...

Страница 39: ...river transmitter The AC input and current requirements for LX Series transmitters are shown in Table 3 1 NOTES The transmitter is factory set for either 110 VAC or 220 VAC operation as directed by cu...

Страница 40: ...n details The sum of these three sources is the bulk of the heat that must be removed There may be other sources of heat such as personnel and all should be taken into account Now that the amount of h...

Страница 41: ...etc will not be carried in with the cooling air 5 The exhaust should be located as high as possible Some ducting is usually required to insure the complete flushing of heated air with no stagnant are...

Страница 42: ...required for each 5000 watts If the load is known in BTUs 2000 CFM into inch of water will be required for each 17 000 BTUs The inlet filter must be a minimum of seven square feet larger for dusty an...

Страница 43: ...s assembly is made to mount in a standard 19 rack The chassis assembly mounts using the four 10 clearance mounting holes on the ends The chassis should be positioned to provide adequate air intake int...

Страница 44: ...le 3 2 LX Series Transmitters AC Input and Current Requirements Transmitter Driver Voltage Current 10 Watt 117 220 VAC 5 Amps 100 Watt 117 220 VAC 10 Amps 250 Watt 220 VAC 10 Amps to the Exciter Ampli...

Страница 45: ...o the setup and operation procedures that follow before applying power to the transmitter 3 5 Setup and Operation Initially the transmitter should be turned on with the RF output at the Trap Filter te...

Страница 46: ...hru Output 50O J9 BNC Aural IF Loop Thru Output 50O J10 BNC External 10 MHz Reference Input 50O J11 BNC System 10 MHz Reference Output 50O J12 BNC Receiver IF Output 50O J13 BNC Receiver IF Input 50O...

Страница 47: ...on When the transmitter is in the operate mode the STB menu appears When in the standby mode the OPR menu appears Press the NXT key after each menu to continue through the sequence 3 5 2 1 Optional Re...

Страница 48: ...is in operate FAULT This illuminates Red when a fault has occurred in the transmitter DC OK This illuminates Green when the DC outputs that connect to the modules in the transmitter are present 3 5 2...

Страница 49: ...this screen Make note of these two numbers when conferring with Axcera on software problems Table 3 6 Menu 03 Exciter Switcher Control Screen This screen indicates that the exciter switcher is in aut...

Страница 50: ...Exciter A 7 Disabling Exciter B 6 Changing Relay 1 of 2 5 Changing Relay 2 of 2 4 Waiting for Relays 3 Relay Change Done 2 Enabling Exciter A 1 Enabling Exciter B 0 Exciter Change Done If a problem o...

Страница 51: ...et or after pushing the SPL button on the Main Screen Will automatically switch to the second splash screen Table 3 15 Menu 02 Splash Screen 2 This is the second of the two transmitter splash screens...

Страница 52: ...he key is activated the display changes to Menu 13 Transmitter Configurations Access Screen If the key is activated the display returns to Menu 11 the Error List Access Screen Table 3 19 Menu 13 Trans...

Страница 53: ...Processor and the Driver or the Power Amplifier will be programmed for your system The External Amplifier Modules will only be used in high power transmitters Examples of External Amplifier Modules di...

Страница 54: ...xA AMP TEMPERATURE xxC xxC Ext Power Amplifier Modules Details Only in high power systems Will indicate Amp Set and Module within the Set Will step through each Set and Module CODE VERSION x x N A Pus...

Страница 55: ...and the above procedure repeated this time accepting the changes Accept or Return to previous Menu Screen Pushing these two buttons Pushing these two buttons Simultaneously will accept Simultaneously...

Страница 56: ...annel of the transmitter The PLL frequency is set for custom Offsets within the upconverter frequency Any change to the channel is immediately set to the LO Upconverter Frequency Synthesizer PLL circu...

Страница 57: ...n actual calibration value may not affect the symbol s appearance Table 3 32 Menu 40 8 Transmitter Set up System Aural Power Calibration This screen is used to adjust the calibration of the system s a...

Страница 58: ...it must not operate above this value otherwise the system will slowly begin to reduce the forward output power If the system s reflected output power exceeds the maximum reflected power threshold by...

Страница 59: ...d above Table 3 40 Menu 40 16 Transmitter Set up Receiver ALC Fault Set Up T R A N S M I T T E R S E T U P 1 1 R E C E I V E R A L C S E T F A U L T A T 2 5 0 V D C E S C This screen is used to set up...

Страница 60: ...xciter amplifier chassis assembly 3 5 5 Operation Procedure If necessary connect to the transmitter to the antenna Check that the output is 100 and if needed adjust the ALC Gain adjust pot on the fron...

Страница 61: ...ns provide the control voltages to the relay from the control board and status indication connections back to the control board 4 1 A1 Receiver Module 1304002 Appendix B NOTE Not present in a transmit...

Страница 62: ...s any unwanted higher frequency conversion products U5 and U9 amplify the signal which exits the board at J5 There are two jumpers on J3 and J4 that allow the user to switch in a 10 dB attenuator if t...

Страница 63: ...d be in the high gain position between pins 1 and 2 of jack J23 If the input level is approximately 10 dBm the mini jumper should be in low gain position between pins 2 and 3 of jack J23 The balanced...

Страница 64: ...7A and U17B The amplified output of U17A is connected to a 4 5 MHz filter and then to U17B The output of U17B is connected to the 4 5 MHz output sample jack at J29 and through the Jumper W4 on J5 pins...

Страница 65: ...cation and should not be readjusted without the proper equipment Resistors R53 R63 R61 and R58 adjust the sharpness of the response curve while inductors GD1 GD2 GD3 and GD4 adjust the position of the...

Страница 66: ...or NTSC system M usage The 12 VDC needed to operate the oven is applied through jack J30 pin 1 on the crystal oven HR1 The oven is preset to operate at 60 C The oven encloses the 45 75 MHz crystal Y1...

Страница 67: ...ly WB to J13 on the board J17 is the visual IF loop through output jack that is normally jumpered to J13 on the board The modulated visual IF through J13 connects to J41C pin 17C the Visual IF Output...

Страница 68: ...he IF signal The ALC adjusts the level of the IF signal that controls the output power of the transmitter The IF from the modulator enters the board at J42 pin 32B If the optional receiver is present...

Страница 69: ...diode attenuator to minimum the maximum signal output if the IF input to the board is removed The ALC input loss cutback and the threshold detector circuits will only operate when jumper W2 on jack J...

Страница 70: ...ow connects through the switch SW1 if it is in the auto gain position to the pin diode attenuator circuit CR1 CR2 CR3 The low reverse biases them and cuts back the level of the output to approximately...

Страница 71: ...produced using the path through R265 and the diodes CR30 and CR31 They provide a 9 VDC reference which temperature compensates for the two diodes in each corrector stage The first corrector stage in...

Страница 72: ...to adjust the depth and gain of the notches and variable caps C71 C72 and C171 are used to adjust the frequency position of the notches These are adjusted as needed to compensate for frequency respon...

Страница 73: ...oop due to the lack of range an ALC fault will occur The fault is generated because U10D pin 12 increases above the trip point set by R84 and R83 until it conducts This makes U10D pin 14 high and caus...

Страница 74: ...put available at J6 which is 20 dB in level below the signal at J5 4 4 2 A2 L Band PLL Board 1303846 Appendix B This board generates an LO at a frequency of 1 1 1 9 GHz The board contains a PLL IC U6...

Страница 75: ...ll be used There is an onboard 10 MHz oscillator U3 which is used when no external 10 MHz source is present The Relay K1 is automatically switched to the external 10 MHz reference whenever it is prese...

Страница 76: ...J1 at Pin 5 which becomes the AC Line 2 to the Fan The other line of the split connects to J2 J1 2 is the earth ground input for the AC and connects to J3 Three 150 VAC for 115 VAC input or three 275...

Страница 77: ...mming port J4 is used U2 is a watchdog IC used to hold the microcontroller in reset if the supply voltage is less the 4 21 VDC 1 25 VDC Pin 4 IN Pin 2 Vcc The watchdog momentarily resets the microcont...

Страница 78: ...VDC If a signal exceeds 5 1 VDC a 5 1 Volt zener diode clamps the signals voltage to prevent damage to the IC Most signals are calibrated at their source however two dual serial potentiometers ICs ar...

Страница 79: ...itch is closed it connects a logic low to the control board that supplies the information from the selected source to the display By pushing the button again a different source is selected This occurs...

Страница 80: ...vices Each HFET has approximately 14 dB of gain The drain voltage needed to operate each HFET is obtained from the 12 VDC line that connects to the board at J5 and is regulated down to 8 25 volts by U...

Страница 81: ...n class AB In order to match the transistor impedance to the characteristic impedance of the input and output sides matching networks are placed ahead and behind the amplifier blocks Transformers Z3 t...

Страница 82: ...annel of analog switch U1 PA7 is connected to a via V10 for future access U6 is a serial to RS 485 driver IC U7 is a watchdog IC used to hold the microprocessor in reset if the supply voltage is less...

Страница 83: ...ct gain of the circuit and use a correction factor for measurements Circuit loading components are located in the lower portion of each current monitoring circuit These components allow for short dura...

Страница 84: ...are tuned to provide high out of band rejection of unwanted products The filtered RF Output at the N connector jack J2 of the Trap Filter is cabled to the Antenna for your System 4 7 A4 Driver Amplifi...

Страница 85: ...d from the 12 VDC line that connects to the board at J5 and is regulated down to 8 25 volts by U4 The gate negative bias voltage is obtained from the 12 VDC line that connects to the board at J6 The a...

Страница 86: ...ly 250 watt module Figure 4 4 is a broadband amplifier for the frequency range 470 to 860 MHz The amplifier is capable of delivering an output power of 70 Wrms The amplification is approximately 12 dB...

Страница 87: ...ST is not clocked every second A manual reset switch is provided but should not be needed Upper left corner U3 is used to determine where the amplifier control board is located The eight inputs come...

Страница 88: ...gh current loading of the supply The correction factor is determined by measuring the current through the sense resistor with and without the additional four 30 1 O 1 resistors For very short duration...

Страница 89: ...d also shuts down Amplifier 1 Gain of the power measurements is completed through software Only the Aural Null and Offset Null need to be done through front panel pots This completes the description o...

Страница 90: ...Supply can then be gently pulled from the unit To remove the Driver Power Amplifier Module in the exciter amplifier chassis assembly the two cables Input and Output connected to the rear of the chassi...

Страница 91: ...ver Module Assembly NOTE Not present in a Transmitter system Connect an on channel RF input to J12 the receiver RF input jack on the rear of exciter driver assembly Verify that all LEDs located on the...

Страница 92: ...ono balanced audio input of 10 dBm If the reading is not at the correct level adjust the MONO Audio Gain pot R110 located on the front panel of the modulator as necessary to attain the 25 kHz deviatio...

Страница 93: ...g the Auto AGC With the transmitter in Standby preset the AGC pot on the Upconverter full Counterclockwise Preset the AGC Cutback pot on the Upconverter full Clockwise Move the Man Auto Gain Switch on...

Страница 94: ...must be in the Enable position on pins 2 3 This is the normal operating position Set up a spectrum analyzer with 100 kHz resolution bandwidth and 100 kHz video bandwidth to monitor the intermodulatio...

Страница 95: ...on the Amp Control board fully CCW Adjust R204 the null offset pot on the Amp Control board for 0 visual output Perform the following adjustments with no aural present by removing the aural IF carrier...

Страница 96: ...r preferably a network analyzer If tuning is thought to be required consult with the Axcera Field Support Department before attempting to tune the filters The bandpass filter is made of aluminum waveg...

Страница 97: ...p sections connected to the main transmission line The Trap Sections are Reflective Notches adjustable across the entire UHF Frequency Band The electrical length of the Outer Sleeve and the Center Rod...

Страница 98: ...tion This Gap also has an effect on the Center Frequency To Deepen the Notch Shorten the Outer Conductor and pull the Center Conductor Out until the Notch is back in the same place Move the Sections i...

Страница 99: ...APPENDIX A LX SERIES ANALOG SYSTEM SPECIFICATIONS...

Страница 100: ...important to group owners and networks and also enables simple and inexpensive channel changes The very compact and completely modular design uses a chassis backplane configuration with parallel ampl...

Страница 101: ...naural Audio Input Transmitters Input Level 0 to 10 dBm Input 600 ohms balanced Freq Range 0 5 dB resp 30 Hz to 15 kHz Pre emphasis 75 s Subcarrier Input Transmitters Input Level 1V peak nominal Input...

Страница 102: ...APPENDIX B DRAWINGS AND PARTS LISTS...

Страница 103: ...ator Board System M N Schematic 1301798 IF Processor Assembly 1301938 Assembly consists of IF Processor Board Schematic 1301983 VHF UHF Upconverter Assembly Block Diagram 1303830 Interconnect 1303831...

Страница 104: ...dule Stork 51 5379 308 00 TFS 40W UHF Module Stork Schematic 51 5379 308 00 WSP RF Module Pallet Philips Made from a RF Module Pallet w o Transistors 1152336 RF Module Pallet w o Transistors Schematic...

Страница 105: ...APPENDIX C TRANSMITTER LOG SHEET...

Страница 106: ...VER DETAILS NOT USED WITH TRANSMITTER AFC 1 LEVEL PLL 1 CIRCUIT ALC INPUT FAULT AT MODULATOR DETAILS MAY NOT BE USED WITH TRANSLATOR PLL CIRCUIT OUTPUT LEVEL AURAL DEVIATION CW INPUT CALL SIGN IF PROC...

Страница 107: ...ER SYSTEMS AMP SET 1 MODULE 1 Will indicate Amp Set and Module within the Set Will step through each Set and Module POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP...

Страница 108: ...ATURE CODE VERSION AMP SET 2 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 2 MODULE 2 POWER...

Страница 109: ...ATURE CODE VERSION AMP SET 3 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 3 MODULE 2 POWER...

Страница 110: ...ATURE CODE VERSION AMP SET 4 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 4 MODULE 2 POWER...

Страница 111: ...ATURE CODE VERSION AMP SET 5 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 5 MODULE 2 POWER...

Страница 112: ...ATURE CODE VERSION AMP SET 6 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 6 MODULE 2 POWER...

Страница 113: ...R SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION NOTE The previous Log Sheet readings can be taken from the System D...

Страница 114: ...VER DETAILS NOT USED WITH TRANSMITTER AFC 1 LEVEL PLL 1 CIRCUIT ALC INPUT FAULT AT MODULATOR DETAILS MAY NOT BE USED WITH TRANSLATOR PLL CIRCUIT OUTPUT LEVEL AURAL DEVIATION CW INPUT CALL SIGN IF PROC...

Страница 115: ...WER SYSTEMS AMP SET 1 MODULE 1 Will indicate Amp Set and Module within the Set Will step through each Set and Module POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP...

Страница 116: ...RATURE CODE VERSION AMP SET 2 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 2 MODULE 2 POWER...

Страница 117: ...RATURE CODE VERSION AMP SET 3 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 3 MODULE 2 POWER...

Страница 118: ...RATURE CODE VERSION AMP SET 4 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 4 MODULE 2 POWER...

Страница 119: ...RATURE CODE VERSION AMP SET 5 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 5 MODULE 2 POWER...

Страница 120: ...RATURE CODE VERSION AMP SET 6 MODULE 1 POWER SUPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 6 MODULE 2 POWER...

Страница 121: ...UPPLY VOLTAGE 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION NOTE The previous Log Sheet readings can be taken from the System Deta...

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