| 摘要 |
A high power Doherty amplifier circuit having at least one input terminal and at least one output terminal comprising at least one carrier transistor ( 30 ) forming a main amplifier stage; at least one peak transistor ( 32 ) forming a peak amplifier stage; a first input line ( 27 ) connecting the input terminal ( 28 ) to an input ( 29 ) of the carrier transistor ( 30 ); a second input line ( 31 ) connecting the input terminal ( 28 ) to an input ( 63 ) of the peak transistor ( 32 ); a first output line ( 33 ) connecting the output terminal ( 56 ) to an output ( 49 ) of the carrier transistor ( 30 ); and a second output line ( 35 ) connecting the output terminal ( 56 ) to an output ( 75 ) of the peak transistor ( 32 ). A high power Doherty amplifier circuit package comprising a support structure ( 104 ) supporting circuit elements of the Doherty amplifier circuit; at least one input terminal ( 102 ) and at least one output terminal ( 96 ) both terminals being supported on the support structure ( 104 ); at least one carrier transistor ( 92 ) forming a main amplifier stage and at least one peak transistor ( 98 ) forming a peak amplifier stage both transistors being supported on the support structure ( 104 ); a first input network ( 106 ) connecting the input terminal ( 102 ) to an input of the carrier transistor ( 92 ); a second input network ( 100, 114, 116 ) connecting the input terminal ( 102 ) to an input of the peak transistor ( 98 ); a first output network ( 94, 108, 110 ) connecting the output terminal ( 96 ) to an output of the carrier transistor ( 92 ); and a second output network ( 112 ) connecting the output terminal ( 96 ) to an output of the peak transistor ( 98 ), and wherein the input and output networks are artificial transmission lines comprising serial circuits and/or parallel circuits of at least one capacitance and/or at least one inductance.
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