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CV129 X-band reflex klystron.

Size The valve measures 125x70mm overall and weighs approx 240g.

The CV129 replaced the CV87 early in 1943. It was basically the same klystron inside a different housing with a simpler tuning mechanism.

See also CV223, CV224.

Heater voltage 4V
Heater current 1.4A
Tuning range 9550 to 9200MHz
Nominal frequency 9375MHz
Max resonator dissipation 10W
Resonator voltage 1.6kV
Reflector voltage range -300 to -550V
Reflector voltage (target) at 9375MHz -420V
Grid voltage (operating) -5 to -100V
Grid voltage (target) -35V
Max -ve grid voltage for oscillation cut-off -150V

 

Pin Function
1 Grid
2 Heater
3 n/c
4 n/c
5 n/c
6 n/c
7 Heater
8 Cathode
TC Reflector
Body Resonator

CV129

Thanks to John Kaesehagen for donating this valve

This file was last modified 15:42:54, Tuesday September 02, 2014