采用AlGaAs/GaAs HBT技术实现的一种封装宽带单片可变增益放大器

R. Yu, S. Beccue, P. Zampardi, R. Pierson, A. Petersen, K. Wang, J. Bowers
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引用次数: 10

摘要

采用AlGaAs/GaAs HBT技术设计制作了宽带单片可变增益放大器(VGAs)。VGAs被安置在高速封装中。封装的VGAs在DC-26 GHz频段提供10-16 dB可调增益,增益变化约为/spl plusmn/1 dB,群延迟恒定,并且在放大器通带中表现出优于10 dB的输入/输出回波损耗。这些VGAs可用于数据速率高达30 GBit/s的光纤传输系统中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A packaged broadband monolithic variable gain amplifier implemented in AlGaAs/GaAs HBT technology
Broadband monolithic variable gain amplifiers (VGAs) were designed and fabricated using an AlGaAs/GaAs HBT technology. The VGAs were housed in high-speed packages. The packaged VGAs provided 10-16 dB adjustable gain with approximately /spl plusmn/1 dB gain variations and constant group delay in the DC-26 GHz band, and showed better than 10 dB input/output return losses in the amplifier passband. These VGAs can be used in fiber optic transmission systems with data rates up to 30 GBit/s.
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