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ITT CV5437 / Z237/1KV reflex klystron

Size This valve measures 80x28mm overall and has a B9A base.

The klystron is marked GPO Ser No 485. It also carries the information "Manufactured under licence from Sperry-Rand corporation of USA".

Frequency range3505 to 3535MHz
Output power250mW
Cathode voltage (relative to earthed resonator)-300V
Reflector voltage (relative to earthed resonator)-400V
Cathode current50mA
 CV5437
Top quarter view Bottom quarter view