The CV1892 (commercially the K3033) is a reflex klystron for use as a local oscillator in a radar receiver. The operating frequency is 1.2 to 3.75 GHz and has a rated output of 125 mW.
The CV1892 is a reduced height version of the 707B.
The KB/Q identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the Q identifies the maker as English Electric Valve Co., Chelmsford.
The EE logo.
The repeller connected to the top cap. The rings are clamped to an external cavity resonator in use.
The resonator electrodes.
The heater wires entering the cathode tube. The oxide coating will be on the flat top of the tube.
The wide glass tube envelope is 21 mm in diameter, and excluding the IO base pins is 87 mm tall.
