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This paper presents the first single-chip direct-conversion 77-85 GHz transceiver fabricated in SiGe HBT technology, intended for Doppler radar and millimeter-wave imaging, particularly within the automotive radar band of 77-81 GHz. A 1.3 mm times 0.9 mm 86-96 GHz receiver is also presented. The transceiver, fabricated in a 130 nm SiGe HBT technology with fT/fMAX of 230/300 GHz, consumes 780 mW, and...
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