一种具有宽动态范围和低压工作线性衰减电路的新型砷化镓可变增益放大器MMIC

1999 IEEE Radio Frequency Integrated Circuits Symposium (Cat No.99CH37001) Pub Date : 1999-06-13 DOI:10.1109/RFIC.1999.805235

M. Inamori, K. Motoyoshi, T. Kitazawa, K. Tara, M. Hagio

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引用次数: 8

摘要

研制了一种用于CDMA手机的40db动态范围可变增益放大器。利用新的增益控制技术，实现了一种低控制电压为2.0 V的宽动态范围可变增益放大器，该放大器具有CDMA所必需的高线性度和低失真特性。它为CDMA手机的高性能和小尺寸射频电路做出了巨大贡献。

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A new GaAs variable gain amplifier MMIC with a wide-dynamic-range and low-voltage-operation linear attenuation circuit

A 40 dB-dynamic-range variable gain amplifier designed for CDMA cellular phones has been developed. A wide dynamic range variable gain amplifier under low control voltage of 2.0 V compatible with high linearity and low distortion characteristics essential for CDMA is realized by the new gain control technique. It greatly contributes to the high performance and small size RF circuits of CDMA cellular handsets.

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1999 IEEE Radio Frequency Integrated Circuits Symposium (Cat No.99CH37001)

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