Circuit for detecting a voltage change using a time-to-digital converter
US8669794B2 · kind B2 · utility
15Cited by
8References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2012 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | May 6, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F10/005
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A circuit for detecting a voltage change is described. The circuit includes a supply insensitive pulse generator that generates a pulse signal. The circuit also includes a time-to-digital converter coupled to the supply insensitive pulse generator. The time-to-digital converter generates a digital signal based on the pulse signal and a voltage. The circuit also includes a controller coupled to the time-to-digital converter that detects a voltage change based on the digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.