Diagnostic mode for a frequency synthesizer
US5125107A · kind A · utility
9Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1989 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Mar 2, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L7/183
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A built in test circuit within a frequency synthesizer for use in selective call radio receivers provides a selectable one of a plurality of internal signals as a test signal for diagnosing the frequency synthesizer's output in real time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.