Semiconductor analog multiplier
US4387439A · kind A · utility
11Cited by
9References
6Claims
0Family size
Inventor
Key dates
| Filing date | Jan 2, 1981 |
| Grant date | Jun 7, 1983 |
| Priority date | — |
| Expiry date | Jan 2, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06G7/164
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Analog multiplier utilizing the square-law characteristic of MOSFET is disclosed. The product is obtained by taking the difference of squares of the sum and difference of two quantities. The square of difference can be obtained by a pair of complementary MOSFETs in series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.