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Postwar TV
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Eckhard Etzold's Site
Early Color TV
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Early Electronic Television
Cossor 54 Valve List
Function
Quan.
Type
Notes
RF amplifier
1
4TSP
Oscillator/mixer (frequency changer)
1
4THA
Video IF amplifier
1
4TSP
3-6 mHz
Video IF amplifier
1
4TPB
Video detector
1
DDL4
Full wave
Video amplifier
1
41MPT
Sync separator
1
4TSA
Dual anode
Horizontal (line) oscillator/output
1
MS/PEN
Vertical (frame) oscillator/output
1
4TP
Triode/tetrode
Audio IF amplifier
1
MVS/PEN
2.5 mHz
Audio detector/amplifier
1
420TDD
Rectifier (HT)
1
431U
HV (EHT) rectifier
1
SU2150
3000 VDC