Patent ID: 11863134
Assignee: SHANGHAI VANCHIP TECHNOLOGIES CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The balanced radio frequency power amplifier according to claim 1, wherein
the adjustable 90-degree power combiner unit comprises a 90-degree phase shifter and a Wilkinson power combiner, the 90-degree phase shifter comprises a phase lag impedance transformation network and a phase lead impedance transformation network, an input end of the phase lag impedance transformation network is connected to the output end of the first power stage unit, an output end of the phase lag impedance transformation network is connected to one input end of the Wilkinson power combiner, an input end of the phase lead impedance transformation network is connected to the output end of the second power stage unit, and an output end of the phase lead impedance transformation network is connected to the other input end of the Wilkinson power combiner.