Patent ID: 11909357
Assignee: SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An amplifier, comprising:
an amplification circuit;
a power supplying circuit; and
an input circuit;
wherein
a first end of the amplification circuit is connected with a first end of the input circuit;
a second end of the amplification circuit is connected with the power supplying circuit; and
a third end of the amplification circuit is connected with a second end of the input circuit; and
wherein
the power supplying circuit is configured to supply power to the amplification circuit so that the amplification circuit operates in an amplification region;
the input circuit is configured to receive an input signal; and
the amplification circuit is configured to obtain an amplification gain in case of operating in the amplification region, and amplify the input signal by using the obtained amplification gain;
wherein the input signal is a high-frequency signal; and
the input circuit comprises a first capacitor and a capacitive circuit, and one end of the first capacitor is connected with one end of the capacitive circuit; the other end of the first capacitor is connected with the first end of the amplification circuit; the other end of the capacitive circuit is connected with the third end of the amplification circuit;
wherein the first capacitor is configured to filter the high-frequency signal to obtain an alternate current signal (AC signal) of the high-frequency signal;
the capacitive circuit is configured to determine an amplification gain of the high-frequency signal; and
correspondingly, the amplification circuit is configured to amplify the AC signal according to the amplification gain.