Description
This cavity reflex klystron tube, the 2K22 or 2K56 (also called a Shepard tube design) was the heart of C-band (4.2 to 4.9GHz) used in marine radar sets well into the ’70’s. Used for the local oscillator tube, this unit also saw service in many microwave trainer kits used for educational service. 2K22 or 2K56 (4.2 to 4.9GHz) reflex klystron, 35-50mW output through a small coaxial probe from the octal base.
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