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R.A.F. Henlow Signals Museum Exhibits

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Console+61_Power_Unit_Type_870=0431.jpg Console+61_Power_Unit_Type_871=0425.jpg

Console+61_Timebase_Unit_(Elevation)_Type_134=0435.jpg Console+61_Timebase_Unit_(IFF)_Type_135=0442.jpg
Console 61
Power Unit Type 870		Console 61
Power Unit Type 871		Console 61
Power Unit Type 874		Console 61
Timebase Unit (Elevation) Type 134		Console 61
Timebase Unit (IFF) Type 135

Power unit Type 874

The Power unit Type 874 provides the following supplies :-
HT.1 320V positive, super-smoothed, to the video circuits in the amplifying unit (AJ and video) Type 295, and the indicating unit (CRT) Type 32
HT.2 340V positive to the amplifier Type A.3711
HT.9 320-volt negative bias line for the timebase unit (IFF) Type 135
6.3V for cathode followers in the amplifier Type A.3711 (unit B), the amplifying unit (AJ and video) Type 295, and the indicating unit (CRT) Type 32; 6.3V to amplifier Type A.3711 (V1-V8 in unit A, V1-V5 in unit B, V1-V2 in unit C; 6.3V to the video valves in the AJ and video amplifying unit Type 295 and the indicating unit (CRT) Type 32.

Sec/Ref: 10K/16131

Console 61<br>Power Unit Type 874

Console 61 Power Unit Type 874 (Photograph Number 0441)

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