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CV237 S-band reflex klystron


Size This valve measures 100x55mm overall and has an octal base.

This is a frequency variant of CV116, CV238 and CV272. These klystrons were developed to replace the CV35/36/67 series of valves which, at 1200 to 1500V were inconvenient for high-altitude use.

Heater voltage 4V
Heater current 1.5A
Tuning range 3170 - 3390 MHz
Max resonator dissipation 8W
Mean resonator voltage 250V
Reflector voltage range 80 to 150V
Grid voltage 0V
Min AFC range 20MHz
Reflector voltage change for 20MHz frequency change 25V


Pin Function
1 Grid
2 Heater
3 n/c
4 Resonator
5 n/c
6 n/c
7 Heater
8 Cathode
TC Reflector
Top quarter view Bottomquarter view