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Bipolar class AB folded cascode operational amplifier for high-speed applications

机译：用于高速应用的双极AB类折叠共源共栅运算放大器

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摘要

The present invention (800) comprises an operational amplifier with a first stage comparator circuit (801) for biasing a second stage folded cascode amplifier circuit (802). The result is that the input differential voltage signal to output current signal is transformed from a tanh function to a sinh function. The present invention provides the low noise, low distortion, high gain, wide bandwidth and good DC performance characteristics of the folded cascode op-amp configuration, with much improved slew rate.

机译：本发明（ 800 ）包括具有第一级比较器电路（ 801 ）的运算放大器，用于偏置第二级折叠共源共栅放大器电路（ 802 >）。结果是输入差分电压信号到输出电流信号从正切函数转换为正切函数。本发明提供了折叠式共源共栅运算放大器配置的低噪声，低失真，高增益，宽带宽和良好的DC性能特性，并且具有大的压摆率。 展开▼

著录项

公开/公告号US2003090321A1

专利类型

公开/公告日2003-05-15

原文格式PDF

申请/专利权人 PARKHURST CHARLES;ACOSTA JULIO E.;
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申请/专利号US20010999475

发明设计人 JULIO E. ACOSTA;CHARLES PARKHURST;
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申请日2001-11-15

分类号H03F3/45;

国家 US

入库时间 2022-08-22 00:11:36

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