Voltage to pulse-width conversion circuit
US4891828A · kind A · utility
135Cited by
10References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1988 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Mar 8, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S315/04
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A voltage to pulse-width conversion circuit includes a counter which counts a reference frequency signal and produces a multi-bit digital value; a digital/analog converter which converts the digital value into an analog signal; and a voltage comparator which compares an output of the digital/analog converter with a control signal and produces a pulse width modulated output signal which has a predetermined duty cycle ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.