A radio frequency switch power supply circuit and a radio frequency switch
CN224697740UActive Publication Date: 2026-08-28江苏乾合微电子有限公司
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Patent Information
- Application Number
- CN202522297119.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-30
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-10-30
AI Technical Summary
Technical Problem
然而对于图1所示电路，其采用两个电容进行释放，占用面积大，而且电容的电压变化具有迟滞性，整个释放速度慢
Benefits of technology
[0016]本实用新型与现有技术相比所具有的有益效果是：本实用新型的供电电路通过在电压输出端设置串联的MOS管N2、MOS管N3和MOS管N4，以及在进行负压泄放时通过电平转换单元、第一驱动单元和第二驱动单元来控制MOS管N2、MOS管N3和MOS管N4的通断，整个泄放速度快，而且相比较采用电容等占用大面积区域的电子器件，本申请的整个电路占用面积更少。
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Figure CN224697740U_ABST
Abstract
The utility model relates to radio frequency switch power supply technical field discloses a radio frequency switch power supply circuit and radio frequency switch, and power supply circuit includes level conversion unit, upper switch branch, lower switch branch, first drive unit, second drive unit, MOS pipe N2, MOS pipe N3 and MOS pipe N4, in actual use, the power supply circuit of utility model through setting up series MOS pipe N2, MOS pipe N3 and MOS pipe N4 at voltage output end, and when carrying out negative pressure release through level conversion unit, first drive unit and second drive unit to control the on-off of MOS pipe N2, MOS pipe N3 and MOS pipe N4, entire release speed is fast, and compared with the electronic device of adopting capacitor and so on occupies large area area, the area of entire circuit of the application is less.
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