Title :
Bandpass Δ-Σ modulator with frequency converters in feedback loop
Author :
Yasuda, A. ; Tanimoto, H.
Author_Institution :
Res. & Dev. Center, Toshiba Corp., Kawasaki, Japan
fDate :
11/26/1998 12:00:00 AM
Abstract :
The sampling frequency of the internal ADC and DAC can be reduced without the need for antialiasing filters. The effects of mismatching on the internal DAC and mixer are reduced by using mismatch shaping
Keywords :
antialiasing; circuit feedback; frequency convertors; sigma-delta modulation; antialiasing filters; bandpass Δ-Σ modulator; feedback loop; frequency converters; internal ADC; internal DAC; mismatch shaping; sampling frequency;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19981647