用于C, X和ku波段卫星应用的无源场效应管MMIC线性器

IEEE 1993 Microwave and Millimeter-Wave Monolithic Circuits Symposium Digest of Papers Pub Date : 1993-06-14 DOI:10.1109/MCS.1993.247455

A. Katz, S. Moochalla, J. Klatskin

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引用次数: 33

摘要

介绍了用于星载行波管放大器(twta)的砷化镓单片微波集成电路(MMIC)线性器的设计和测试性能。线性器工作在C, X和ku波段，被认为是第一个实现在MMIC形式。它们基于无源场效应管设计，类似于MMIC开关和衰减器。采用MESFET变容管和电压可变电阻作为控制元件。它们在ku波段提供超过2.5 GHz的带宽，TWTA载波互调比(C/I)改善大于10 dB，相位变化小于5度。

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Passive FET MMIC linearizers for C, X and Ku-band satellite-applications

The design and measured performance of GaAs monolithic-microwave-integrated circuit (MMIC) linearizers for use with spaceborne traveling-wave-tube amplifiers (TWTAs) are presented. The linearizers operate at C-, X- and Ku-band and are believed the first to be realized in MMIC form. They are based on a passive FET design similar to that of MMIC switches and attenuators. MESFET varactors and voltage variable resistors are used as control elements. They provide more than 2.5 GHz of bandwidth at Ku-band with an improvement of greater than 10 dB in TWTA carrier-to-intermodulation ratio (C/I), and with a phase change of less than 5 degrees .<>

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IEEE 1993 Microwave and Millimeter-Wave Monolithic Circuits Symposium Digest of Papers

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