Patent ID: 11881823
Assignee: SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A power amplifier circuit, comprising:
a power amplification circuit and a diode assembly;
wherein
the diode assembly is connected in series with a transistor amplification circuit of the power amplification circuit, and the transistor amplification circuit is configured to, when load of power amplifier is mismatched, turn the diode assembly on, so as to divide a current voltage to at least two electrodes of the transistor amplification circuit;
the transistor amplification circuit comprises: a first field effect transistor and a second field effect transistor, wherein a drain of the first field effect transistor is connected with a source of the second field effect transistor;
the diode assembly comprises: N diodes connected in series, wherein N is a positive integer;
a positive electrode of the diode assembly is connected with a drain of the second field effect transistor, and
a negative electrode of the diode assembly is connected with a gate of the second field effect transistor.