Patent · US Expired

Demodulator for digital FM signals

US4651107A · kind A · utility

5Cited by
3References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 28, 1984
Grant dateMar 17, 1987
Priority date
Expiry dateDec 28, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L27/1525
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

An FM demodulator for demodulating a signal which has been frequency modulated by a digital signal. The FM demodulator includes mixers, low-pass filters and limiters. All the circuit elements succeeding the mixers are operable in the baseband, while all the circuit elements succeeding the limiters are comprised of digital circuit elements. The FM demodulator with such a construction is suitable for an integrated circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.