Ming-Hsien Shih

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An integrated step-up/step-down dc–dc converter for battery-powered bioelectronics is presented. Both its power stage and feedback compensator were implemented by using switchedcapacitor circuits. The proposed converter has a wide input range and achieves excellent load regulation.
The conductance catheter system is used to measure instantaneous ventricular conductance, and real-time ventricular volume is then determined by converting the measured conductance to volume. Two conductance-to-volume conversion equations for the conductance catheter system have been proposed: Baan's linear equation and Wei's nonlinear equation. In fact,(More)
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