Multi-stage digital RF translator

Details Multi-stage digital RF translator Multi-stage digital RF translator

1993-07-02

1996-02-06

Tse, Young

Pulse or digital communications

Receivers

375350, 370 70, 3647241, H04L 2706

Patent

active

054901731

ABSTRACT:
An apparatus for performing digital signal frequency translation in a digital receiver is disclosed. The apparatus uses a plurality of mixer-filter-decimator stages for performing the digital signal frequency translation. The translation function converts the digital signal to an intermediate frequency (IF), where such translation is distributed among the plurality of mixer-filter-decimator stages to thereby simplify the mixing requirements.

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Principles of Sigma-Delta Modulation for Analog-to-Digital Converters, Sangil Park, Ph.D., Motorola, Inc., 1990, pp. 1-13 and 25-30.
Multirate Filter Designs Using Comb Filters, Shuni Chu and C. Sidney Burrus. IEEE Transactions on Circuits and Systems, vol. CAS-31, No. 11, Nov. 1984, pp. 913-924.
HSP50016 Digital Down Converter, Preliminary Product Literature, Sep. 1992, Harris Semiconductor, pp. 1-36.

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