System Description

4-6 kW UHF Translator Table of Contents
837B, Rev. 0 ii February 24, 2003
TABLE OF CONTENTS (continued)
Section # Page #
4.1.9 (Optional) SAW Filter/Amplifier Board ........................................... 4-4
4.1.10 (Optional) IF Amplifier Board...................................................... 4-5
4.1.11 (Optional) IF Filter/Limiter Board ................................................ 4-5
4.1.12 (Optional) IF PLL Board ............................................................. 4-5
4.1.13 (Optional) IF Carrier Oven Oscillator Board .................................. 4-5
4.1.14 +12V(3A)/-12V Power Supply Board ........................................... 4-6
4.2 UHF Exciter ........................................................................................ 4-6
4.2.1 (Optional) Aural IF Synthesizer Board, 4.5 MHz.............................. 4-6
4.2.2 (Optional) Sync Tip Clamp/Modulator Board................................... 4-8
4.2.3 (Optional) Delay Equalizer Board .................................................4-11
4.2.4 (Optional) IF Carrier Oven Oscillator Board ...................................4-12
4.2.5 ALC Board, NTSC.......................................................................4-13
4.2.6 IF Phase Corrector Board............................................................4-19
4.2.7 Transmitter Control Board ..........................................................4-21
4.2.8 Channel Oscillator Assembly, Dual Oven.......................................4-26
4.2.9 (Optional) VCXO Assembly, Dual Oven .........................................4-26
4.2.10 (Optional) EEPROM FSK Identifier Board .....................................4-27
4.2.11 (Optional) Composite 4.5-MHz Filter Board .................................4-27
4.2.12 (Optional) 4.5-MHz Bandpass Filter Board...................................4-28
4.2.13 +12V(4A)/-12V(1A) Power Supply Board....................................4-29
4.2.14 x8 Multiplier Enclosure .............................................................4-29
4.2.15 x8 Multiplier Board...................................................................4-30
4.2.16 UHF Filters..............................................................................4-30
4.2.17 UHF Upconverter Board ............................................................4-30
4.2.18 Power Entry Module Assembly ...................................................4-32
4.3 Variable Gain/Phase Trays ...................................................................4-32
4.3.1 Variable Gain/Phase Board .........................................................4-32
4.3.2 Metering Board .........................................................................4-33
4.3.3 Power Entry Module Assembly.....................................................4-33
4.3.4 +15V/-12V Power Supply Board ..................................................4-33
4.4 Metering Panel ...................................................................................4-33
4.4.1 Splitter Board ...........................................................................4-34
4.4.2 Visual/Aural Metering Board........................................................4-34
4.4.3 Dual Peak Detectors ..................................................................4-34
4.4.4 Detector Threshold Board ...........................................................4-34
4.4.5 Power Entry Module Assembly.....................................................4-35
4.4.6 ±12V Power Supply Board ..........................................................4-35
4.5 AC Distribution Assembly.....................................................................4-36
4.6 2-3 kW Amplifier Arrays ......................................................................4-36
Main AC............................................................................................4-37
4.7 UHF Amplifier Trays, LDMOS ................................................................4-38
4.7.1 Variable Gain/Phase Board Enclosure ...........................................4-38
4.7.2 Variable Gain/Phase Board .........................................................4-39
4.7.3 1-Watt Amplifier Board Assembly ................................................4-40