User's Manual

3300-Watt VHF Low Band Transmitter Appendix B, Typical Readings
335B, Rev. 0 B-3
VHF Low Band Exciter Tray (A4)
ALC = .8V
% Exciter = The level needed to attain 100% output power from the transmitter
(Typically between 80 & 100%).
% Reflected = < 10%
% Visual Power = 100 % (3300 Watts Peak of Sync)
% Aural Power = 100 % (330 Watts @ 10 dB A/V Ratio)
Video = 1 V at White w/.3V Sync Only, -40 IRE
Audio = ±25 kHz with Balanced Audio Input or ±75 kHz with Stereo Composite
Audio Input
VHF Amplifier Trays (A5, A6, A7, A10 & A11)
AGC Voltage = 1 to 3V
% Reflected Power = < 5%
% Output Power = ˜100%
Power Supply Voltage = 30V
Operating Currents Idling Currents
Current I
1
= 12A-13A (Black Picture) 1.8A (No RF Applied)
Current I
2
= 12A-13A (Black Picture) 1.8A (No RF Applied)
Current I
3
= 12A-13A (Black Picture) 1.8A (No RF Applied)
Current I
D
= 3A (Black Picture) 3A (No RF Applied)
(The readings are from the 0 to 10A scale with the value then multiplied by 2)