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A SiGe bipolar technology for automotive radar applications around 77 GHz has been developed. A cut-off frequency of 200 GHz, a maximum oscillation frequency of 275 GHz, and a gate delay of 3.5 ps have been obtained. First key building blocks for 77 GHz systems like VCOs and mixers have been realized with this technology.
Böck et al. (Thu,) studied this question.
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