Title :
Thermal noise analysis of multi-input SC-integrators for delta-sigma modulator design
Author_Institution :
Wireless Design Dept., Motorola Semicond., Toulouse, France
Abstract :
The thermal noise of multi-input SC-integrators is studied. An analytical expression for the sampled noise of a multi-input SC-integrator is obtained. It is shown that the correlation between the sampled noise voltages increases the amplifier noise contribution
Keywords :
circuit noise; integrating circuits; modulators; network synthesis; sigma-delta modulation; switched current circuits; thermal noise; amplifier noise; correlation; delta-sigma modulator design; multi-input switched current integrators; sampled noise; sampled noise voltages; thermal noise analysis; Bandwidth; Capacitors; Circuit noise; Delta modulation; Feedback; Low pass filters; Noise shaping; Sampling methods; Semiconductor device noise; Voltage;
Conference_Titel :
Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on
Conference_Location :
Geneva
Print_ISBN :
0-7803-5482-6
DOI :
10.1109/ISCAS.2000.858779
