Electronic device for the automatic conversion of sampled freque

Details Electronic device for the automatic conversion of sampled freque Electronic device for the automatic conversion of sampled freque

1994-04-07

1996-12-17

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

3647241, H03M 700

Patent

active

055857949

ABSTRACT:
An electronic device for the automatic conversion of sampling frequencies, being a type adapted to convert a predetermined frequency of a sampled input signal to a desired frequency of an output signal. The device is comprised of:
a phase detector being input both the input frequency and the output frequency; a decoder block associated with the detector to determine an interpolation coefficient; an interpolation filter having a digital input for encoding the sampling signal and receiving the input frequency on the one side, and a digital signal representative of the interpolation coefficient on the other side; and a synchronizer connected after the filter and being input both said input and output frequencies, the synchronizer having a digital output for encoding the converted sampling signal.

REFERENCES:
patent: 4612573 (1986-09-01), Grallert et al.
patent: 4797845 (1989-01-01), Stikvoort
patent: 4825398 (1989-04-01), Koch et al.
patent: 4870661 (1989-09-01), Yamada et al.
patent: 4953117 (1990-08-01), Lagadec
patent: 4954824 (1990-09-01), Yamada et al.
patent: 5182633 (1993-01-01), Antonio et al.

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