CV22 mercury vapour thyratron
Markings on the valve are:
CV22 is stamped onto the metal band, which is the heater and cathode connection. The two leads are colour-coded; the yellow bead is the heater lead, the red bead the grid.
The above ratings apply for a pulse of 1 to 3µs at a PRF of 500/sec
The grid consists of a perforated graphite disc, often called a 'pepper-pot' grid.
Two CV22 thyratrons were used to generate a 40A/25kV 1µs pulse at 400pps for the GL3 S-band radar.
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