Distributed amplifiers with controllable linearization
US11245366B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 13, 2020 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | May 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/38
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Distributed amplifiers with controllable linearization are provided herein. In certain embodiments, a distributed amplifier includes a differential input transmission line, a differential output transmission line, and a plurality of differential distributed amplifier stages connected between the differential input transmission line and the differential output transmission line at different points or nodes. The distributed amplifier further includes a differential non-linearity cancellation stage connected between the differential input transmission line and the differential output transmission line and providing signal inversion relative to the differential distributed amplifier stages. The differential non-linearity cancellation stage operates with a separately controllable bias from the differential distributed amplifier stages, thereby providing a mechanism to control the linearity of the distributed amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.