A high gain, wide-band, fast settling amplifier with no-miller capacitor compensation

被引：0

作者：

Moallemi, Soroush ^{[1
]}

Jannesari, Abumoslem ^{[1
]}

机构：

[1] Tarbiat Modares Univ, Fac Elect & Comp Engn, Tehran, Iran

来源：

IEICE ELECTRONICS EXPRESS | 2011年 / 8卷 / 20期

关键词：

operational trans-conductance amplifier (OTA); frequency compensation; sample and hold (S/H); OPERATIONAL-AMPLIFIER; SCHEME;

D O I：

10.1587/elex.8.1751

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：

A high DC gain, wide band and fast settling fully differential amplifier is presented. The pole zero cancellation technique is used in order to increase the band width of the OTA. Also, a new technique for pole zero cancellation in three-stage OTAs is presented. The proposed OTA simulated in standard TSMC 0.18 mu m CMOS technology with a 1.8 V power supply. The DC gain of the OTA is 85 dB, the unity gain band width is 740 MHz and the phase margin of 60 degree is achieved. The amplifier consumes only 18.8 mW.

引用

页码：1751 / 1756

页数：6

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