S. Trotta, B. Dehlink, A. Ghazinour, D. Morgan, J. John
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引用次数: 20
摘要
我们提出了一种采用200GHz fT SiGe BiCMOS技术设计的用于汽车雷达应用的77GHz四通道收发器。该芯片具有一个tx通道，一个1536的预分频器和三个rx通道。其中一个Rx是I/Q配置。rx通道显示典型的转换增益为19dB，而NFssb在100kHz时低于13dB。该VCO基于一种新的拓扑结构，可以产生差动推-推输出。它显示了大于8GHz的调谐范围。在100kHz偏移时，相位噪声为- 74dBc/Hz。输出功率为9dBm。在3.3V供电时，芯片消耗533mA。
A 77GHz 3.3V 4-channel transceiver in SiGe BiCMOS technology
We present a 77GHz four-channel transceiver for automotive radar applications designed in a 200GHz fT SiGe BiCMOS technology. The chip features a Tx-channel, a prescaler by 1536, and three Rx-channels. One of those Rx is in I/Q configuration. The Rx-channels show a typical conversion gain of 19dB while the NFssb is lower than 13dB at 100kHz. The VCO is based on a new topology which allows generating differential push-push outputs. It shows a tuning range larger than 8GHz. The phase noise is −74dBc/Hz at 100kHz offset. The output power is 9dBm. At a 3.3V supply, the chip consumes 533mA.
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