SIMULATION OF MIXED SWITCHED-CAPACITOR DIGITAL NETWORKS WITH SIGNAL-DRIVEN SWITCHES

被引:21
作者
SUYAMA, K
FANG, SC
TSIVIDIS, YP
机构
[1] COLUMBIA UNIV,DEPT ELECT ENGN,NEW YORK,NY 10027
[2] AT&T BELL LABS,VLSI TECHNOL LAB,TECH STAFF,MURRAY HILL,NJ 07974
关键词
D O I
10.1109/4.62168
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
This paper considers the simulation of mixed switched-capacitor/digital (SC/D) networks containing capacitors, independent and linear-dependent voltage sources, switches, comparators, and logic gates using a new simulator, SWITCAP2. The switches, in particular, may be controlled by not only periodic waveforms but also by nonperiodic waveforms from the outputs of comparators and logic gates. The signal-dependent modification of network topology through the comparators, logic gates, and signal-driven switches makes the modeling of various nonlinear switched-capacitor circuits possible. Simulation results for a PCM voice encoder, a sigma-delta modulator, a neural network, and a phase-locked loop (PLL) are presented to demonstrate the flexibility of the approach. © 1990 IEEE
引用
收藏
页码:1403 / 1411
页数:9
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