Early Television  
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Early Electronic Television

RCA T1 1 KW Transmitter (1938)

Early Television

Early Television
Early Television

The modulator used 10 - 813 tubes in parallel to grid modulate the power amplifier.

 Early Television

The RF unit employed a temperature controlled crystal oscillator. Push pull 889 tubes were used in the final amplifier.

Early Television

The high voltage rectifier compartment. 12 - 872A tubes in 3 phase configuration supplied transmitter voltages.

Early Television

Early Television

 


 
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