8th International Symposium on Quality Electronic Design (ISQED'07)
First-Order Continuous-Time Sigma-Delta Modulator
San Jose, California
March 26-March 28
ISBN: 0-7695-2795-7
This paper presents the design of a first-order continuous-time sigma-delta modulator. It can accept input signal bandwidth of 10 kHz with oversampling ratio of 250. The modulator operates at 1.8 V supply voltage and uses 0.18 um CMOS technology. It achieves a level of 60 dB SNR..