R.A.F. Henlow Signals Museum Exhibits

Please use this Index to jump to a different Subject, or use the Full Listing
		Next >> << Previous
Bookcase	Bookcase	Bookcase	Bookcase 1	Bookcase 2

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

Bookcase (Photograph Number 0441)

Click on the image to get the full size image.

This page is copyright. Do not copy any part of this page or website other than for personal use or as given in the conditions of use.
Web-page generated by "DB2html" data-base extraction software ©Colin Hinson 2023