Abstract

A 8 Watt C-band power module is reported. This power amplifier comprises two power MMICs combined in parallel and balanced between two Lange couplers on alumina substrate. At 25°C, an average power amplifier delivers a saturated output power higher than 38.5 dBm, with an associated gain of 14 dB and a power added efficiency higher than 27%, over the 5 GHz - 6 GHz bandwidth, under DC and RF pulse conditions. The best power amplifier exhibits the following performances : a saturated output power higher than 39 dBm, a gain of 15 dB, and an associated power added efficiency of 31 %.