ASK demodulator implemented with digital bandpass filter
US5532641A · kind A · utility
27Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1994 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | Oct 14, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Amplitude Shift Keying (ASK) modulation system and method with an ASK demodulator that is implemented with an analog-emulating digital bandpass filter. The bandpass filter also generates a carrier detect signal when it detects a carrier frequency that passes the filter pass band.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.