A power amplifier extension with a bootstrap circuit

CN113225033BActive Publication Date: 2026-07-07NANJING NINGLEI ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING NINGLEI ELECTRONIC TECH CO LTD
Filing Date
2021-05-13
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing power amplifier sub-units suffer from harmonic and oscillation problems during power amplification, resulting in significant impurities in the output signal. Additionally, the fan module is inconvenient to maintain and has high costs.

Method used

A bootstrap circuit is superimposed on the gate input of the power amplifier and connected to the fan module via a detachable mounting unit to improve output oscillation and facilitate maintenance.

Benefits of technology

The output waveform smoothness of the power amplifier has been improved, enhancing the power amplification effect. Meanwhile, the detachable design of the fan module simplifies the maintenance process and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN113225033B_ABST
    Figure CN113225033B_ABST
Patent Text Reader

Abstract

The application discloses a power amplifier extension with a bootstrap circuit, which comprises a power amplifier unit, a control unit and a power supply unit, wherein the power amplifier unit comprises a power amplifier module, a filter and a bootstrap circuit, the input end of the power amplifier module receives a microwave signal, the microwave signal is output from the output end of the filter as a microwave amplification signal, and the bootstrap circuit is connected with a power amplifier in the power amplifier module; the control unit is connected with a fan module and the power amplifier module, and sends a control signal to the power amplifier module; and the power supply unit supplies power to the power amplifier unit and the control unit respectively; the power waveform output by the power amplifier extension in the application depends on the output waveform of the bootstrap circuit, and the bootstrap circuit is superimposed with a bootstrap capacitor, so that the output oscillation of the bootstrap circuit is greatly improved, and the power waveform output by the power amplifier module and the power amplifier extension is more smooth, and better power amplification and filtering effects are achieved.
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