Multiplying digital to analog converter and multipath pipe line analog to digital converter using the same
US7116255B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2005 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Jun 14, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/804
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A multiplying digital to analog converter comprising a digital to analog converter having a plurality of capacitors coupled in parallel, applying first signals to the capacitors during a sampling period, and applying second signals to the capacitors during an amplifying period, and an amplifier including a first amplifier electrically coupled to the digital to analog converter; a second amplifier electrically coupled to the first amplifier; and a first switch electrically coupled between an input end and an output end of the second amplifier, being turned off during a sampling period, and being turned off during an amplifying period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.