Capacitive neutralization

chris2013 · 发表于 2016-12-26 09:47:02

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lately i'm studying EE240 by Simone Gambini in Two Stage OTA Design Examples lecture he talk about Capacitive neutralization
(introducing a +ve feedback to cancel the effect of miller multiplication) but he didn't speak much about the sizing of this caps
could you please help me to understand this technique ?

chris2013 · 发表于 2016-12-26 11:50:52

any help please

chris2013 · 发表于 2016-12-27 09:13:36

okay i found the detailed analysis in gray - meyer book

yuynahong · 发表于 2016-12-27 18:51:08

could tell me the number of the GRAY-Meyer book pages. Thank you very much

chris2013 · 发表于 2016-12-27 22:27:42

回复 4# yuynahong

in gray - meyer 5th edition chapter 12 section 12.6.5 Neutralization

brazavi · 发表于 2016-12-30 11:27:15

thank you

想买钢琴 · 发表于 2017-1-3 11:36:16

下载来看看学习一下

volare_copy · 发表于 2017-1-3 14:08:54

The size of the neutralization cap should be similar with Cgd to cancel the miller effect according to my knowledge. Because this cap will introduce a positive feedback, so PVT should be covered to ensure the stability of the circuit.

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