Self-calibration of an oscilloscope using a square-wave test signal
US6269317A · kind A · utility
41Cited by
14References
14Claims
0Family size
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Key dates
| Filing date | Apr 24, 1998 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Apr 24, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/12
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Self-calibration of a digitizer is carried out by using a square-wave test signal which is digitized by the digitizer, and temporal positions of the digitized values output by the digitizer are compared to respective reference periods of the test signal. The results of the comparison operations are then used by a microprocessor to calculate a time delay for adjusting a clock signal supplied to the digitizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.