Patent ID: 9608573
Date: 2017-03-28
CPC Classifications: H03F,H04B

Claim:
1. A balanced Doherty power amplifier circuit, comprising: a first peak amplifier, wherein an input end of the first peak amplifier is connected to a first input end of the balanced Doherty power amplifier circuit; a first matching unit, wherein an input end of the first matching unit is connected to an output end of the first peak amplifier, and an output end of the first matching unit is connected to an output end of the balanced Doherty power amplifier circuit; a first main amplifier, wherein an input end of the first main amplifier is connected to a second input end of the balanced Doherty power amplifier circuit, and an output end of the first main amplifier is connected to the input end of the first matching unit by a one-fourth wavelength line; a second peak amplifier, wherein an input end of the second peak amplifier is connected to the first input end of the balanced Doherty power amplifier circuit; a second matching unit, wherein an input end of the second matching unit is connected to an output end of the second peak amplifier, and an output end of the second matching unit is connected to the output end of the balanced Doherty power amplifier circuit; and a second main amplifier, wherein an input end of the second main amplifier is connected to the second input end of the balanced Doherty power amplifier circuit, and an output end of the second main amplifier is connected to the input end of the second matching unit by a one-fourth wavelength line.