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We have realized a 200GHz 4×4 focal plane array (FPA) by using super-regenerative receiver (SRR) pixels made of 65nm CMOS for mm-wave imaging applications. With 16 pixel elements constructed on PCB, the FPA consumes 215mA under 1V power supply. Such realization is made possible by carefully analyzing the super-regenerative interference (SRI) commonly observed in close-spaced SRRs and applying a newly...
A low-noise triple band transmitter for GSM triple-band and WCDMA is presented. By programming parameters, analog baseband and RF frontend can handle signals of different protocols and frequency bands. Novel linearization method is used in LPF and driver amplifier to meet the demand of 3G systems. Noise optimization is also adopted so that our transmitter achieves −157 dBc/Hz noise at 190 MHz frequency...
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