基于IFM的小型化线性射频放大器设计

Semiconductor Technology(2012)

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Abstract
采用六级VMMK-2503高线性度增益方块级联,插入增益均衡与带通滤波模块,设计了一款小型化线性射频放大器,在5.8~8 GHz频带内,其小信号增益达70 dB,增益平坦度小于±1 dB,输入输出驻波比等技术指标优良。由于VMMK-2503采用晶片级封装技术与内匹配设计,电路设计简单,缩短了研发周期,降低了设计成本,提高了技术指标,有利于射频电路的小型化与集成化,放大器电路尺寸仅为92 mm×9 mm×1.2 mm。并对其进行了模块电磁兼容设计,以提高组件稳定性,最终满足用户要求,已成功用于某型号瞬时测频接收机中。
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Key words
monolithic microwave integrated circuit(MMIC),RF amplifier,instantaneous frequency measurement(IFM),miniaturization,gain equalization
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