Tuning Unit Type 207A
||This unit contains a CV67
klystron, a 5Z4G fullwave rectifier and three
CV71 neon stabilisers. The front panel has
two 18-pin connectors which are mostly connected pin for pin to each
other, two large single connectors which are again joined inside,
and a co-axial socket which is connected directly to the CV67's cavity.
There is a potentiometer below the name plate, a tuning control (top
left) which fine tunes the klystron cavity, and a screwdriver-operated
control marked 'coulping' which adjusts the output side of the cavity.
|The klystron tuning arrangements
can be seen in the picture on the right. The 'coupling' control connects
to the left hand side which is also the co-axial connection to the
cavity. The 'tuning' control connects to the right hand side of the
||The 5Z4G base can be seen
on the right. The two empty sockets top left are for CV71 neon stabilisers,
only one remaining in the equipment.
The name plate of this equipment
is marked Tuning Unit Type 207A, Ref No. 10DB/6904, Serial No. T003789.
This file was last modified
11:53:25, Sunday July 24, 2016