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A 65-nm CMOS 1.75–15 GHz Stepped Frequency Radar Receiver for Early Diagnosis of Breast Cancer

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4 Author(s)
Bassi, M. ; Dipt. di Ing. dell'Inf., Univ. di Padova, Padua, Italy ; Caruso, M. ; Bevilacqua, A. ; Neviani, A.

A 65-nm CMOS receiver tailored for breast cancer diagnostic imaging is demonstrated for the first time. The receiver shows 31-dB conversion gain, NF <; 8.6 dB , P1 dB > -28 dBm, IIP3 > -12 dBm and IIP2 > 22 dBm over a band from 1.75 to 15 GHz. A programmable injection-locked divider generates quadrature LO signals with a I/Q phase error <; 1.5 ° over three octaves without requiring any calibration or tuning. The receiver shows a flicker noise corner as low as 40 Hz, achieving a dynamic range of 106 dB.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:48 ,  Issue: 7 )