IN MOST RADAR SYSTEMS, TWTs or magnetrons have been used as the microwave power source. But there has been a strong desire to replace them with a high-power solid-state microwave generator. The IMPATT diode is one of the most promising solid-state devices for that purpose. However, pulsed-peak power obtained from a single IMPATT diode has been around 20W or less, while an output peak power of at least 50W is required for many radar applications.To meet this requirement, a high power silicon Double Drift Regio…
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