低误差ku波段5位数字衰减器MMIC

2017 IEEE MTT-S International Microwave and RF Conference (IMaRC) Pub Date : 2017-12-01 DOI:10.1109/IMARC.2017.8449724

Prolay Verma, Puja Srivastava, D. Singh, A. Bhattacharya

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引用次数: 1

摘要

设计、制作并测试了覆盖11-13.5GHz ku频段的5位数字衰减器MMIC。采用双凹槽0.25 m GaAs/InGaAs/AIGaAs pHEMT工艺实现低相位误差(> 1.6°RMS)衰减器。它是高度准确的，并显示出卓越的高产量的性能。测量的动态范围为15.5 dB，输入输出回波损耗为18dB。在12.5GHz处测得的压缩点为+17dBm。该芯片的尺寸为9mm2。

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Low Error Ku-Band 5-Bit Digital Attenuator MMIC

A 5-bit digital attenuator MMIC covering 11-13.5GHz Ku-band frequencies have been designed, fabricated and tested. Double recess 0.25 m GaAs/InGaAs/AIGaAs pHEMT process is used for realizing this low phase error (> 1.6 deg RMS) attenuator. It is highly accurate and shows exceptional high yield of performance. The measured dynamic range is 15.5 dB with input and output return loss of 18dB. The measured compression point at 12.5GHz is +17dBm. The chip measures 9 mm2.

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2017 IEEE MTT-S International Microwave and RF Conference (IMaRC)

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