Charge sharing circuit
US9590650B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2016 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Mar 8, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/46
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A charge sharing circuit for generating a calibration voltage. The circuit comprises a calibration capacitor for providing at an upper terminal of the calibration capacitor the calibration voltage. The circuit further comprises a series connection of a plurality of N switches, wherein N is an integer>2, and a plurality of at least N−1 switching capacitors. Each switching capacitor is coupled to one connecting node connecting two of the N switches. One side of the series connection of the plurality of N switches is coupled to the upper terminal of the calibration capacitor and the other side of the series connection of the N switches is coupled to a fixed voltage. The circuit is configured to transmit at least two clock signals to selectively drive at least two distinct subsets of the switches. There is further provided a corresponding method and a corresponding design structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.