驱动电路和收发组件
By alternating the opening of the first and second switches in the drive circuit and using temperature compensation, the problem of slow switching speed of field-effect transistors in RF circuits is solved, achieving rapid state switching and improved RF signal transmission and reception performance.
CN115765776BActive Publication Date: 2026-07-17SHENNAN CIRCUITS
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENNAN CIRCUITS
- Filing Date
- 2021-09-03
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In existing RF circuits, the switching speed of field-effect transistors between different states is slow, which affects the RF signal transmission and reception performance of the transceiver components.
Method used
A driving circuit is employed, which provides rapid gate voltage switching by alternately turning on a first switch and a second switch. Temperature compensation is performed using a low-dropout linear regulator and a temperature signal, and the switching speed is improved by combining an accelerating capacitor.
Benefits of technology
This improves the switching speed of the field-effect transistor between different states, thereby enhancing the RF signal transmission and reception performance of the transceiver components.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN115765776B_ABST
Abstract
本申请涉及射频技术领域，公开了驱动电路和收发组件。该驱动电路用于连接射频电路，对射频电路中的场效应管提供驱动信号，该驱动电路包括：电源单元，用于提供栅极电压；控制单元，控制单元包括第一开关和第二开关，第一开关的输入端连接电源单元，第一开关的输出端连接射频电路，第二开关的输入端连接第一开关的输出端，第二开关的输出端接地；其中，第一开关和第二开关按照设定频率交替开启时，对射频电路中的场效应管提供驱动信号。通过上述方式，能够提高射频电路中场效应管在不同状态之间的切换速度，进而提高收发组件的射频信号收发性能。
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