Differential-follower control circuit
US12395129B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 19, 2021 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Dec 27, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/5015
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A differential-follower control circuit has been provided, comprising: a follower; an output-voltage following module, which controls a voltage at a control terminal of the follower to vary with an output voltage; a substrate-voltage following module, which controls a substrate voltage of an output transistor of the follower to vary with an input voltage; an output terminal of the follower is connected to a first terminal of the output-voltage following module; a second terminal of the output-voltage following module is connected to the control terminal of the follower; a first terminal of the substrate-voltage following module is connected to an input terminal of the follower and a second terminal of the substrate-voltage following module is connected to a substrate of the output transistor; the invention effectively improves the overall linearity of the follower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.