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In this paper, a wideband asymmetric Doherty power amplifier (WADPA), which has different LDMOS devices for the carrier and the peaking power amplifiers(MRF7S19080 and MRF8S19140), is designed with the stepped impedance transformer. The carrier and peaking amplifiers of the proposed Doherty amplifier operates in class-AB (2.76V) and class-C (1.3V) bias conditions, respectively, with a drain voltage...
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