Og9705 G.e. Type Tv-54 Video Broadcast Rf Diode Demodulator W/instruction Books

US $280

  • Johnstown, Ohio, United States
  • May 27th
 OG9705 -  G.E. Type TV-54 Video Broadcast RF Diode Demodulator w/Instruction Books  EBI- 3388   - Used to demodulate a portion of the TV transmitter  visual RF output for display on a picture monitor and also on a waveform monitor (Oscilloscope) with a vibrator which created a zero carrier reference marker to check modulation percentages. This model, 4TV54A3, was used on a 3 1/8" coaxial transmission line, and adjusted for a proper display on the monitors. Power requirement were 275 volts DC at 0.025 Amp and 6.3 VOLTS ac 60 Hz at 0.965  Amp.  Two copies of Instructions, EBI-3388, with schematics. Vacuum tubes 6AF4 and 6CL6/ Uses a Stevens-Arnold, INC. DC/AC chopper CH-D11.  Chassis box measures 4 1/2" x 3" x 1 7/8" with components extending from that. Great addition to a collection of classic television equipment from the 1950's  The output power tube on the particular TV transmitter was a GL-6942 running at 1 KW output.  Unit with books weighs 1 lb 10 oz. Will ship USPS Priority mail at lowest cost to buyer.

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