Title :
Delta-sigma modulators employing continuous-time circuitry
Author :
Schreier, Richard ; Zhang, Boming
Author_Institution :
Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
fDate :
4/1/1996 12:00:00 AM
Abstract :
Delta-sigma (ΔΣ) modulators employing continuous-time elements can be transformed to equivalent discrete-time systems. The paper derives this equivalence relation and applies it to the design of a third-order low-pass modulator and a sixth-order band-pass modulator
Keywords :
continuous time systems; equivalent circuits; quantisation (signal); sigma-delta modulation; continuous-time circuitry; delta-sigma modulators; equivalence relation; equivalent discrete-time systems; oversampled data convertors; single-bit quantisation; sixth-order band-pass modulator; third-order low-pass modulator; Band pass filters; Chirp modulation; Circuits; Delta modulation; Digital filters; Digital modulation; Noise shaping; Nonlinear filters; Quantization; Transfer functions;
Journal_Title :
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
