Reduction of second-order non-linear distortion in a wideband communication system
US10277172B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2017 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | May 17, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2210/252
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A system has a plurality of non-linear circuit stages and an intervening linear circuit stage. An input signal is provided to a first non-linear circuit stage, and from the first non-linear circuit stage, to the linear circuit stage. The first non-linear circuit stage applies a second-order distortion to the input signal and provides the resulting signal to the linear circuit stage. The resulting signal that is output from the linear circuit stage is inverted with respect to the input signal and suitably linearly processed (attenuated or amplified). This signal is then provided to a second non-linear circuit that applies a second-order distortion and outputs a signal that has an overall reduction in second-order distortion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.