基于mmic的w波段迪克开关直接探测接收机

GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium 17th Annual Technical Digest 1995 Pub Date : 1995-10-29 DOI:10.1109/GAAS.1995.529000

D. Lo, E. Lin, H. Wang, M. Biedenbender, R. Lai, G. Ng, G. Dow, B. Allen

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引用次数: 6

摘要

我们展示了一种基于先进GaAs MMIC工艺技术的w波段Dicke开关直接检测接收机。该接收机由两个mmic、一个w波段六级平衡开关低噪声放大器和一个独特的w波段垂直点二极管结构检测器组成。平衡开关低噪声放大器在90至95 GHz范围内实现了37 dB增益，在85至95 GHz范围内实现了15 dB的平均隔离。基于热/冷负荷标定，构建的Dicke开关直接检测接收机在50 KHz开关速率下，以10 ms积分实现了0.5 K的最低可分辨温度。

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MMIC-based W-band Dicke switched direct-detection receiver

We have demonstrated a W-band Dicke switched direct-detection receiver based on advanced GaAs MMIC process technology. The receiver consists of two MMICs, a W-band six-stage balanced switching low noise amplifier and a unique W-band detector with vertical dot diode structure. The balanced switching low noise amplifier has achieved a gain of 37 dB from 90 to 95 GHz and an average isolation of 15 dB between on and off from 85 to 95 GHz. Based on hot/cold load calibration, the constructed Dicke switched direct-detection receiver has achieved a minimum resolvable temperature of 0.5 K with 10 ms integration at 50 KHz switching rate.

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来源期刊

GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium 17th Annual Technical Digest 1995

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