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A mmWave (mmW) passive mixer topology based on a novel LO waveform-shaping technique using non-linear transmission line (NLTL) is proposed. The NLTL is constructed using series inductors and shunt varactors. It boosts the LO signal swing and reshapes the LO waveform to have higher amplitude and narrower pulses, resulting in higher gain, better linearity, and lower Noise Figure (NF) of the mixer. Mixers...
The GigaBit Laser Driver (GBLD) is a radiation tolerant ASIC designed to drive both edge emitting lasers and VCSELs at data rates up to 5 Gb/s. It is part of the GigaBit Transceiver (GBT) project, which aims at the design of an optical transceiver capable to operate in the radiation environment of a typical HEP experiment. The GBLD can provide a modulation current of up to 24 mA and a laser bias current...
An analog correlator for ultra-wideband (UWB) vehicular short-range radars (V-SRR) is presented. The correlator is designed for operation at 22-29GHz using the IBM 90nm RFCMOS process. The correlator consists of a multiplier, a Gm-C integrator, and a post amplifier. A novel four-quadrant transconductance multiplier (FQTM) is proposed to achieve high gain, and a Gm-C integrator is designed to improve...
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