Method of digitization of intermediate frequency video signals a

Details Method of digitization of intermediate frequency video signals a Method of digitization of intermediate frequency video signals a

1996-05-14

1998-11-03

Burgess, Glenton B.

Television

Receiver circuitry

348572, 348731, H04N 544, H04N 5445

Patent

active

058316892

ABSTRACT:
A method for digitizing intermediate frequency (IF) video signals, of acceptable cost, in which the signal from a tuning device is pre-filtered and amplified. This pre-processed signal is fed to a sample and hold circuit whose bandwidth covers the range up to at least the maximum intermediate frequency, and the sampled signals output from the sample and hold circuit are fed to an analog-to-digital converter whose dynamic resolution is sufficient only up to about half of the sampling frequency. The invention is applicable to the processing of digital IF video signals.

REFERENCES:
patent: 4502078 (1985-02-01), Steckler et al.

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