Wide voltage control working circuit and power amplifier

By combining wide-voltage comparator and high-voltage comparator circuits with gate circuit design, and optimizing RF circuit components, the problem of enable voltage control and stability of traditional power amplifiers over a wide range is solved. This enables flexible control and stable operation of the power amplifier over a wide range, improving the circuit's versatility and flexibility, reliability, and anti-interference capability, thus meeting the high-performance requirements of modern microwave communication.

CN224191912UActive Publication Date: 2026-05-01HEBEI HONGJIE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520557305.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-05-01
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Traditional power amplifier circuits struggle to achieve enable voltage control over a wide range and lack withstand voltage at high input voltages, leading to circuit damage and increased complexity, thus limiting their application in various complex environments.

Method used

By employing wide-voltage comparators and high-voltage comparator circuits, combined with gate circuit design, flexible control of the enable voltage is achieved within the range of 3.3V to 28V. Furthermore, by optimizing components in the RF circuit, such as attenuators, monolithic amplifiers, and GaN power transistors, stable operation of the circuit is ensured under high-voltage environments.

Benefits of technology

It enables flexible control and stable operation of the power amplifier over a wide voltage range, improving the circuit's versatility, flexibility, reliability, and anti-interference capabilities, thus meeting the high-performance requirements of modern microwave communication.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to the field of microwave communication, in particular to a wide voltage control working circuit and a power amplifier. The circuit comprises a comparator circuit and a gate circuit. Wherein the comparator circuit is used for comparing an enabling voltage with a preset voltage, when the enabling voltage is larger than the preset voltage, the comparator outputs a high level, and when the enabling voltage is smaller than the preset voltage, the comparator outputs a low level; the gate circuit is used for converting working logic into electric signals. According to the utility model, the requirements of users are effectively met, the control of circuit power supply is optimized, the circuit structure and the spatial layout are simplified, the circuit arrangement is simpler and more convenient, and the cost is also controlled.
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