Digital receiver operating at sub-nyquist sampling rate

Details Digital receiver operating at sub-nyquist sampling rate Digital receiver operating at sub-nyquist sampling rate

1989-08-01

1990-01-09

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

329356, 329361, 331 23, H04H 500

Patent

active

048933414

ABSTRACT:
A digital receiver samples data from an amplitude modulated subcarrier at a rate less than twice the subcarrier's maximum frequency by sampling at known phase points. Sampling at known phase points is achieved by generating a sampling clock from a signal phase locked to and transmitted with the modulated data subcarrier.

REFERENCES:
patent: 4688253 (1987-08-01), Gumm
patent: 4757538 (1988-07-01), Zink

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