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An electrical model of the 104 MHz radio frequency quadrupole (RFQ) accelerator at Peking University is introduced for RF design, based on which every crucial geometrical parameter is swept and selected carefully to improve the RF properties of the RFQ such as the intrinsic quality factor and shunt impedance for reducing its power consumption. Moreover, flatness tuning of the inter-electrodes voltage...
This paper presents a wireless power recharging system design for implantable bladder pressure chronic monitoring application. The power recharging system consists of an external 4-turn 15-cm-diameter powering coil and a silicone-encapsulated implantable spiral coil with a dimension of 7 mm ?? 17 mm ?? 2.5 mm and 18 turns, which further encloses an ASIC with a programmable charging current and logic...
Experimental measurements of the isolation provided by N and P-type rings, and triple-well structures implemented in 0.35 ??m and 0.18 ??m technologies are presented. The results obtained are compared to previous experimental works on isolation, and the conditions that affect the efficacy of the isolation techniques are discussed, as well as their dependence with frequency.
A novel bias-feeding photodetector is presented, suitable for dc-coupling with post-amplifiers or DEMUX-ICs, thus greatly reducing the RF coupling losses into subsequent electronics. The receiver module exhibits 90 GHz bandwidth and 107 Gb/s data rate capability.
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