Video signal preamplifier circuit
US4956729A · kind A · utility
5Cited by
6References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 20, 1987 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Oct 20, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F3/191
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A preamplifier circuit for amplifying a video signal reproduced by a magnetic head includes a positive feedback circuit for reducing an input capacitance thereof. A negative feedback circuit may be added thereto for stabilizing an operation of the preamplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.