Abstract
A low current dissipation MMIC power amplifier operating with a 3.5 V single voltage supply has been developed for PHS. This MMIC utilizes a pseudomorphic double heterojunction modulation doped FET (P-MODFET) to realize single voltage operation and low operating current simultaneously. It exhibits very low operating current of 141 mA at the output power of 21.5 dBm with low adjacent channel leakage power of -56.1 dBc in the single voltage supply condition. This operating current is one of the lowest values that have been reported on the single voltage operation MMIC power amplifiers for PHS.
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