Broadband SiGe Monolithic Microwave Control Circuits

This paper reports the performance of several broadband SiGe monolithic microwave control circuits suitable for phased array radar applications. The amplitude and phase control MMICs are based on an optimized SiGe PIN diode fabricated using the IBM 5-HP SiGe foundry process. Utilizing this diode, several control circuits were designed, including a broadband (1-20 GHz) monolithic SPDT switch, a five port transfer switch, and a 6-bit phase shifter, all operating over 7-11 GHz.

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