SWITCHED-CAPACITOR BANDPASS DELTA-SIGMA A/D MODULATION AT 10.7-MHZ

被引：61
作者：
SINGOR, FW
SNELGREVE, WM
机构：
[1] UNIV TORONTO,DEPT ELECT & COMP ENGN,TORONTO,ON M5S 1A4,CANADA
[2] CARLETON UNIV,DEPT ELECTR,OTTAWA,ON K1S 5B6,CANADA
来源：
IEEE JOURNAL OF SOLID-STATE CIRCUITS | 1995年 / 30卷 / 03期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1109/4.364431
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Two second-order bandpass delta-sigma A/D modulators have been implemented in a 0.8 mu BICMOS process to demonstrate the feasibility of converting a 10.7 MHz radio IF signal to digital form. The circuits, based on switched-capacitor biquads, demonstrated 57 dB SNR in a 200 kHz bandwidth when clocked at 42.8 MHz, dissipating 60 mW from a 5 V supply, The two modulators use different clocking strategies to allow evaluation of a tradeoff between active and passive sensitivites.
引用
收藏
页码：184 / 192
页数：9
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