Distortion canceller for FM receiver

Details Distortion canceller for FM receiver Distortion canceller for FM receiver

1984-04-04

1985-12-24

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455305, 455312, 381 13, H04B 110, H04B 116

Patent

active

045611130

ABSTRACT:
In a distortion canceller to remove the distortion of a demodulated signal in an FM receiver, the n-th power of the demodulated FM signal is produced and then differentiated to derive an n-th order distortion signal. The derived n-th order distortion signal is adjusted in its amplitude level and then combined with the demodulated FM signal so that the n-th distortion component can be cancelled.

REFERENCES:
patent: 2987701 (1961-06-01), Grannemann
patent: 4272846 (1981-06-01), Muratani et al.
patent: 4314377 (1982-02-01), Kondo et al.

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