Full wave amplitude modulation detector circuit
US4359693A · kind A · utility
9Cited by
1References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1980 |
| Grant date | Nov 16, 1982 |
| Priority date | — |
| Expiry date | Sep 15, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D1/18
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A current comparator is supplied with differential currents based upon an amplitude modulated radio frequency carrier. The comparator outputs are summed in a combining stage the output of which will contain a direct current proportional to the average carrier level and a current variation which represents the carrier modulation. The circuit provides very efficient detection of the modulated carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.