R.A.F. Henlow Signals Museum Exhibits

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Console 61 Power Unit (IFF) Type 873	Console 61 Power Unit (IFF) Type 873	Console 61 Power Unit (Stab) Type 872	Console 61 Power Unit Type 870	Console 61 Power Unit Type 871

Power unit Type 872

The Power unit Type 872 provides the following supplies :-
HT.5 300V, valve stabilized, to the timebase unit (range) Type 136
HT.6 280V, valve stabilized, to the above timebase unit
HT.7 420V positive to the timebase unit (elevation) Type 134
STB.1 280V positive for the screening-grids of V1 and V2 in the amplifying unit (IF) Type 294, and also for V12 in the timebase unit
STB.2 210V positive to the screen-grid of V4 in the amplifying unit (IF) Type 296
STB.3 140V positive to the screen-grids of V1, V2, V3, in the above-mentioned amplifying unit
6.3V heater supplies to V1, V4-V10, and V12-V15 in the timebase unit (range) Type 136, to the flip-flop V2, V3, in the range timebase unit and to V1-V8, V10, and V11, in the timebase unit (elevation) Type 134.

Sec/Ref: 10K/16129

Console 61<br>Power Unit (Stab) Type 872

Console 61 Power Unit (Stab) Type 872 (Photograph Number 0433)

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