用于毫米波无线系统的单片GaAs-InGaP HBT平衡矢量调制器

2000 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium Digest of Papers (Cat. No.00CH37096) Pub Date : 2000-06-10 DOI:10.1109/RFIC.2000.854445

A. E. Ashtiani, T. Gokdemir, A. Vilches, Z. Hu, I. Robertson, S. Marsh

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引用次数: 11

摘要

本文介绍了采用马可尼HBT MMIC技术的毫米波平衡矢量调制器的设计和性能。已经制造了两个版本用于38ghz的工作;第一种采用普通的兰格耦合器，而第二种采用小型化微带耦合器，这将MMIC芯片面积减少了40%以上。通过简单的偏置校准技术，电路实现了近乎完美的星座，在宽带宽范围内的幅度和相位误差可以忽略不计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Monolithic GaAs-InGaP HBT balanced vector modulators for millimeter-wave wireless systems

This paper describes the design and performance of millimeter-wave balanced vector modulators employing the Marconi HBT MMIC technology. Two versions have been fabricated for operation at 38 GHz; the first employs normal Lange couplers whilst the second employs miniaturised microstrip couplers, which reduce the MMIC chip area by more than 40%. With a simple bias calibration technique the circuits achieve near-perfect constellations with negligible amplitude and phase errors over a wide bandwidth.

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2000 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium Digest of Papers (Cat. No.00CH37096)

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