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In this article we elucidate the design and fabrication of a P-band cryogenic low noise amplifier (CLNA) with built-in limiter circuit, and further studied the characteristics of PIN diode limiter at different temperature. Measurements at 75K shows the P-band CLNA with build-in limiter has a good performance with noise figure lower than 0.5dB, the input and output voltage standing wave ratio (VSWR)...
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