采用CMOS寄生双极晶体管的50db可变增益放大器

Symposium 1988 on VLSI Circuits Pub Date : 1989-08-01 DOI:10.1109/VLSIC.1988.1037399

T. Pan, A. Abidi

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引用次数: 96

摘要

一个增益范围为50 dB的可变增益放大器(VGA)已经在一个标准的3 μ m CMOS工艺中实现，使用寄生的横向和垂直双极晶体管形成电路的核心。双极晶体管已经得到了广泛的研究。VGA在整个增益范围内的带宽大于3mhz，使用单个5v电源。活动面积约为0.8*0.9 mm/sup 2/。>

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A 50 dB variable gain amplifier using parasitic bipolar transistors in CMOS

A variable-gain amplifier (VGA) with a gain range of 50 dB has been implemented in a standard 3 mu m CMOS process using parasitic lateral and vertical bipolar transistors to form the core of the circuit. The bipolar transistors had been characterized extensively. The VGA has a bandwidth larger than 3 MHz over the whole gain range and operates on a single 5 V power supply. The active area is about 0.8*0.9 mm/sup 2/. >

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Symposium 1988 on VLSI Circuits

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