Zongming Duan, Xiaolan Tang, Q. Ma, Yuefei Dai, F. Lin
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引用次数: 1
Abstract
A 1-4GHz receive front-end is implemented in 0.18 μm CMOS technology for digital array radar applications. The front-end consists of broadband balun-LNA, down-conversion mixer, voltage gain control amplifier (VGA), differential-to-single driver (D-S Driver), LO driver and on chip temperature self-adaptive gain control circuit. The front-end achieves a gain range of 5-25 dB, a noise figure of 8.5dB, and an output P-1dB of 5.2 dBm. The gain difference is less than 1.2 dB within -55 ~ +85°C operating temperature across 1-4 GHz. The total power consumption is 150 mW, and the die area is 1.2 mm2 including pads.
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