NASA NTRS · 19950065475
Simplified Digital Down-Converters
Abstract
Design of digital frequency down-converters simplified by eliminating need for both high-speed number-controlled oscillators (NCOs) and mixer-multipliers, and implementing functions via multiplication coefficients of finite-impulse-response (FIR) filters. Simplification depends on particular choices of operating frequencies. Simplified designs implemented with commercial FIR integrated circuits.
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Sigman, Elliott H.. 1995-07-01. Simplified Digital Down-Converters. https://ntrs.nasa.gov/citations/19950065475
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