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(10~20)GHz低附加相移数控衰减器设计

A design of 10~20 GHz digital attenuator with low phase variations
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摘要 基于GaAs 0.25μm pHEMT工艺,设计一款高精度、低附加相移数控衰减器。该低附加相移数控衰减器由6位衰减单元级联组成,衰减范围为(0~31.5)dB,步进为0.5 dB。在(10~20)GHz工作频率范围内,衰减器插损小于4.8 dB,所有衰减状态衰减精度不大于±0.5 dB、附加相移不大于±3°,输入驻波系数不大于1.4,输出驻波系数不大于1.5。
出处 《电子产品世界》 2023年第5期68-70,81,共4页 Electronic Engineering & Product World
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