User's Manual
Digital UHF Transmitter Table of Contents
DT835A, Rev. 1 v July 23, 2003
LIST OF TABLES
2-1 DT835A Major Assemblies ...............................................................2-1
2-2 Metering Panel Meters.....................................................................2-4
2-3 UHF Exciter Tray Meters..................................................................2-5
2-4 UHF Exciter Tray Switches...............................................................2-5
2-5 UHF Exciter Tray Fault Indicators .....................................................2-5
2-6 UHF Exciter Tray Samples ...............................................................2-6
2-7 Variable Phase/Gain Tray Meters......................................................2-6
2-8 Variable Phase/Gain Tray Sample.....................................................2-6
2-9 UHF Amplifier Tray Meters...............................................................2-6
2-10 UHF Amplifier Tray Status Indicators ................................................2-7
2-11 UHF Amplifier Tray Control Adjustments ...........................................2-7
2-12 UHF Amplifier Tray Sample..............................................................2-7
2-13 Modulator Front Panel LEDs.............................................................2-8
2-14 Customer Remote Control Interface Connections .................... 2-12
3-1 MPEG and 10 MHz Input Information................................................3-6
3-2 Jumper Positions in the Gain 1 and Gain 2 Circuits
For an Input Level of Between –6 and –26 dBm.................................3-8
4-1 Fuses, Idling Currents and Voltage Settings for Amplifier Devices......4-42
5-1 8-VSB Modulator Connections..........................................................5-1
5-2 Jumper Configurations for the Symbol Generator Board......................5-3
5-3 Jumper Configurations for the VSB Filter Board .................................5-5
5-4 DIP Switch Settings........................................................................5-6
5-5 Jumper Positions on the 6 dB Pad ..................................................5-10
5-6 Center Frequencies for the Delay Equalizer Sections.........................5-11
5-7 PLL Board Switch Positions............................................................5-13
5-8 Switch Positions for Channel Frequencies........................................5-14