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A radar-based breast cancer detection and imaging system was developed by use of impulse-radio ultrawideband (IR-UWB) complementary metal oxide semiconductor integrated circuits (CMOS-IC). Gaussian monocycle pulses (GMP) with 160 ps pulse-width was digitized by equivalent time sampling with 9.77 ps time resolution. The GMP signals were transmitted and received via 16 Ù 16 switching matrix with 4 ×...
CMOS 102.4 GS/s equivalent time sampling (ETS) circuits with a track and hold, phase-locked loop and analog to digital converter was developed for radar-based breast cancer detection. The track and hold circuits of the ETS covered the bandwidth of 2.9–13.9 GHz by use of a 1.27 nH series inductor to compensate parasitic capacitances. The pulse width and the bandwidth of the input Gaussian monocycle...
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