S. Chartier, Liu Liu, G. Fischer, S. Glisic, H. Hohnemann, A. Trasser, H. Schumacher
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引用次数: 5
摘要
提出了一种用于77GHz/79GHz汽车雷达的Si/SiGe双极动态分频器，该分频器采用跨阻放大器拓扑结构，提高了灵敏度和工作带宽。该分压器能够在22 GHz至93 GHz的输入频率范围内工作，在5 V电源电压下仅消耗35 mA，并且具有非常紧凑的295 x 475 mum2的芯片面积。此外，测量表明，分压器工作在整个雷达频段(76 GHz-81 GHz)高达100摄氏度的温度。
SiGe millimeter-wave dynamic frequency divider with enhanced sensitivity incorporating a transimpedance stage
A Si/SiGe bipolar dynamic frequency divider designed for 77GHz/79GHz automotive radar is presented, which uses a transimpedance amplifier topology to improve sensitivity and operational bandwidth. Capable of operation for input frequencies from 22 GHz up to 93 GHz, the divider consumes only 35 mA at 5 V supply voltage and has a very compact die area of 295 x 475 mum2. In addition, measurements show that the divider operates in the full radar frequency band (76 GHz-81 GHz) up to a temperature of 100degC.
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