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Zebrafish have proven to be a crucial model for biological elucidations, especially heart-disease studies, owing to their remarkable regeneration capacity. Other than conventional methods, monitoring of electrocardiogram (ECG) has shown promising results recently; however, experiments were usually carried out with sedated fish, resulting in affected signals. In this work, wireless power transfer (WPT)...
Electrocardiography (ECG) is a kind of electrical activities of the heart measured along the skin, and is also an important tool to diagnosis heart decease. In clinical, the conventional ECG electrode is generally used for measuring ECG signal. However, it requires skin preparation and conductive gels to reduce the impedance of the skin-Velectrode interface. These preparation procedures easily cause...
Interposer has emerged as a promising alternative of multiple-die integration to provide high-bandwidth transmission and smaller power consumption. However, few works study the design methodology to utilize interposer advantages and explore the relationship among different dies. As TSMC's Chip-on-Wafer-on-Substrate (CoWoS™) technology offered as an enabling solution to system integration, this paper...
The adibaticity of mode converters based on optical analogy of simulated Raman adiabatic passage (STIRAP) is investigated using the supermode analysis. The evolution equations for the supermodes are obtained. The shortest device length is determined.
This study presents a dual-band rat-race coupler featuring two controllable center frequencies with arbitrary power-split ratios. Novel dual-band stub-loaded 90° lines were used to replace the conventional single-band 90° lines according to the required branch impedances for specific power-split ratios. The proposed structure has two degrees of freedom, providing more design flexibility and obtaining...
This paper discuses the printed circuit board (PCB) winding of the contactless power transmission system comparing the traditional transformer power transmission system. In this study, the contactless power transmission system is successfully applied to the wireless mouse for stable power supply. To examine the feasibility of the proposed system in this paper, a contactless power transmission system...
A fully integrated CMOS rectifier, intended for inductively powered electronic implants and featuring ultra-low-loss characteristic, is presented. By making use of high-performance active diodes fulfilling almost ideal switching (zero forward voltage drop) and circuit to be provided with negative resistance, the proposed design is able to achieve an maximum conversion efficiency of more than 90% when...
Survey results suggest that 92% of interruption at industrial facilities is voltage sag related. The voltage sag compensator, based on a transformer-coupled series- connected voltage source inverter, is among the most cost- effective solution against voltage sags. Transformers are often installed in front of critical loads for electrical isolation purposes. When voltage sags happen, the transformers...
This paper proposes a four-pole quasi-elliptic waveguide filter using multilayer low-temperature cofired ceramic (LTCC) technology. The cavities of the filter can be stacked vertically, while a pair of through hole vias are used to realize the cross coupling path for the quasi-elliptic response. Thus, the circuit size can be reduced by the overlap of the cavity resonators. The proposed filter has...
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