Broadband continuous Doherty power amplifier

• Main Authors: LAI ZEJIE, CHENG ZHIQUN, LIN YIJUN, LIU GUOHUA, ZHONG HUABANG
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: AMPLIFIERS; BASIC ELECTRONIC CIRCUITRY; CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS

The utility model discloses a broadband continuous Doherty power amplifier, which at least comprises a power divider, a phase compensation line, a carrier power amplification module, a peak power amplification module and a post-matching network, and is characterized in that the power divider is used for equally dividing input power and respectively outputting the input power to the carrier power amplification module and the peak power amplification module; the carrier power amplification module at least comprises a phase compensation line, a carrier power amplification input bias/matching network, a power amplification transistor, a bias network and a carrier impedance matching network; the peak power amplification module comprises a peak power amplifier input matching/bias network, a power amplification transistor, a bias network, a peak harmonic suppression/matching network and a phase compensation line; the output of the carrier power amplification module and the output of the peak power amplification modu