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【文件名】:0666@52RD_零极点分析.rar
【格 式】:rar
【大 小】:901K
【简 介】:Abstract —Intemafly compensated CMOS op amps have ~en widely
used in sampled-analog signaf processing applications over the past several
years; however, the popular two-stage op amp suffers from poor ac power
supply rejection to one of the power rails. This paper presents two circuits
that overcome the PSRR problems of the earlier amplifiec one for virtual
ground applications such as switched-capacitor integrators, and the other
for buffer applications requiring wide common-mode input range. Small
signal analysis is developed for the open loop and PSRR responses of the
two amplifiers. In addition, design guidelines are suggested and test results
are presented.
【目 录】:
I. INTRODUCTION
II. INTERNALLY COMPENSATED NONCASCODED OP AMPS
111. INTERNALLY COMPENSATED CASCODED OP AMPS
IV. RESULTS
V. CONCLUSIONS
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