Invention Grant
- Patent Title: Two-pin TR switch with switched capacitor
- Patent Title (中): 带开关电容器的双引脚TR开关
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Application No.: US13449979Application Date: 2012-04-18
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Publication No.: US08886136B1Publication Date: 2014-11-11
- Inventor: David M. Signoff , Yung Chen , Jinho Park , Li Lin
- Applicant: David M. Signoff , Yung Chen , Jinho Park , Li Lin
- Applicant Address: BM Hamilton
- Assignee: Marvell International Ltd.
- Current Assignee: Marvell International Ltd.
- Current Assignee Address: BM Hamilton
- Main IPC: H04B1/44
- IPC: H04B1/44

Abstract:
A two-pin transmit/receive switch design includes a switching component configured to selectively switch in elements for a transmit signal path and elements for a receive signal path. A capacitor in the transmit signal path may be switched out when receiving signals on the receive signal path. Being able to selectively switch out the capacitor allows the capacitor value to be selected for optimal operation during transmit mode. For example, insertion loss may be minimized. In addition, elements in the receive signal path may be optimized (e.g., impedance matching) without being affected by or affecting the optimization that was performed for the transmit signal path.
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