Ka-band solid-state pulsed Gunn oscillator and power combiner

Design and Implementation of a UWB Radar Sensor for Non-Destructive Application

“…Actually, many approaches have been published for the design of pulse generators for radar sensor applications such as the classic GUUN elements [50,51], and BJT transistors in avalanche mode. Pulse generation with the transistors in avalanche mode is based on the well-known avalanche phenomenon [52,55],…”