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RF front-end with on-chip transmitter/receiver isolation using a gyrator
US9306542B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9306542-B2 |
| Application number | US-201313930812-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 28, 2013 |
| Priority date | Dec 30, 2009 |
| Publication date | Apr 5, 2016 |
| Grant date | Apr 5, 2016 |
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Abstract
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An RF front-end with on-chip transmitter/receiver isolation using a gyrator is presented herein. The RF front end is configured to support full-duplex communication and includes a gyrator and a transformer. The gyrator includes two transistors that are configured to isolate the input of a low-noise amplifier (LNA) from the output of a power amplifier (PA). The gyrator is further configured to isolate the output of the PA from the input of the LNA. The gyrator is at least partially or fully capable of being integrated on silicon-based substrate.
First claim
Opening claim text (preview).
What is claimed is: 1. A gyrator-based duplexer comprising: a first transistor comprising a source, a drain coupled to a first port, and a gate coupled to a second port; and a second transistor comprising a source, a drain coupled to the second port, and a gate coupled to the first port, wherein the first transistor electrically isolates the first port from the second port by providing a drain-to-source current based on a voltage across the second port. 2…
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Classifications
- H03H11/42Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9306542B2 cover?
- An RF front-end with on-chip transmitter/receiver isolation using a gyrator is presented herein. The RF front end is configured to support full-duplex communication and includes a gyrator and a transformer. The gyrator includes two transistors that are configured to isolate the input of a low-noise amplifier (LNA) from the output of a power amplifier (PA). The gyrator is further configured to i…
- Who is the assignee on this patent?
- Broadcom Corp
- What technology area does this patent fall under?
- Primary CPC classification H03H11/42. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).