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 |
|