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SiGe VCOs operating up to 88 GHz, suitable for automotive radar sensors

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3 Author(s)
Li, H. ; Ruhr-Univ. Bochum, Germany ; Rein, H.-M. ; Schwerd, M.

VCOs fully integrated in an SiGe preproduction technology are presented. By cutting interconnection lines a wide frequency range can be covered, up to 88.4 GHz. Special effort has been made to meet the demands for 77 GHz automotive radar. In the corresponding tuning range from 75.3 to 79.6 GHz, an output power of about 11 dBm (with -2.2 dBm potential measurement uncertainty) was achieved for each of the two complementary outputs, i.e. in total 14 dBm. The phase noise is about -94 dBc/Hz at 1 MHz offset frequency.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 18 )