Analog circuit improvement in a digital integrated circuit technology
US4684832A · kind A · utility
3Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1986 |
| Grant date | Aug 4, 1987 |
| Priority date | — |
| Expiry date | Apr 29, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/1217
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A CMOS integrated filter includes a passive network of resistive and capacitive paired elements and a first differential amplifier, for implementing a second order low pass filter function. A second amplifier is connected in voltage following configuration at an input of the first amplifier. A filter output is provided by an output of the second amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.