Radio frequency switching circuit with distributed switches
US9900004B2 · kind B2 · utility
1Cited by
28References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2017 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | May 16, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/44
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An RF switching device having distributed shunt switches distributed along transmission lines to improve RF bandwidth as well as the signal isolation of the device. The shunt switches may be physically positioned on both sides of the transmission lines to keep an integrated circuit (IC) design essentially symmetrical so as to provide predictable and reliable operational characteristics. Some embodiments include stacked FET shunt switches and series switches to tolerate high voltages. In some embodiments, the gate resistor for each FET shunt switch is divided into two or more portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.