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KS9-40 reflex klystron

Size This valve measures 84x32mm overall (40x40mm flange) and has an octal base.

This klystron has the serial number 10477

Heater voltage 6.3V
Heater current 500mA
Frequency range 9.3 to 9.5GHz
Power output 40mW
Typical operating conditions (at 9.45GHz)
Resonator voltage 300V
Reflector voltage -90V
Resonator current 28mA
Electronic tuning to half power point 40MHz

Pin Function
1 Shell/resonator
2 Heater
3 n/c
4 n/c
5 n/c
6 n/c
7 Heater
8 Cathode
TC Reflector


Side view

Below: an older example:
Quarter view Quarter view
Note the use of a standard base blank (no pins fitted) for the reflector cap end.

Klystron s/n 10477 donated by Mike Edwards

This file was last modified15:57:53, Tuesday September 02, 2014