Circuit element measuring method and apparatus
US5086278A · kind A · utility
2Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1991 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Feb 22, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The circuit element being measured is connected to a signal source, a volt meter, a zero detection amplifier and a voltage controlled current source for drawing an electric current through the device to be measured in accordance with the output of the zero detection amplifier. Means are provided for changing the operating point of the zero detection amplifier in response to a measuring condition of the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.