A novel compact multiple-input multiple-output (MIMO) antenna is proposed with wideband gain enhancement. It consists of two identical elements spacing about half wavelength. First, a 1-to-2 Y-shaped power divider anti-phase outputs designed to feed modified Vivaldi radiators. The currents on the radiating surfaces keep same direction in increase radiation without being canceled. Second, square-ring unit cell analyzed form metasurface, placed front radiator. can guide forward electromagnetic...

Abstract High‐tension site wounds are frequently accompanied by challenges associated with hypertrophic scarring. The key to achieving scar‐free healing is the creation of a mechanical environment conducive skin regeneration. Herein, simple rolling punctures utilized on angle transform molds develop cat tongue prick bionic angle‐adjustable microneedles (TPMNs) maintain firm grip periwound skin, thereby reducing tissue tension. integration TPMNs triboelectric nanogenerators (TENGs) enables...

Abstract Respiration signals reflect many underlying health conditions, including cardiopulmonary functions, autonomic disorders and respiratory distress, therefore continuous measurement of respiration is needed in various cases. Unfortunately, there still a lack effective portable electronic devices that meet the demands for medical daily monitoring. This work showcases soft, wireless, non‐invasive device quantitative real‐time evaluation human respiration. simultaneously captures...

Developing an accurate partial discharge (PD) monitoring system for switchgear has attracted significant attention in recent times. Detecting and distinguishing PDs with a portable PD detector is challenging due to the inherent noise interference similarity among different signals field conditions. In this study, we propose innovative approach that combines knowledge distillation (KD) multitask learning (MTL) efficiently transfer valuable insights acquired by advanced network more...

This paper presents a high-precision bandgap voltage reference (BGR) with high-order temperature compensation. The compensation signal is generated by using both strong-inversion MOSFETs and Bipolar Junction transistors (BJTs), which cancels the nonlinear term <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$T\ln (T)$ </tex-math></inline-formula> in BJT base-emitter (V <sub...

The current collector is a key component of most light rail transit (LRT) trains. It draws electric power from the catenary or for each moving train. Due to wear, tear, and harsh operating environments, will malfunction, which can lead unexpected interruptions train directly affect service reliability. This article presents an inductive coupling method health monitoring LRT trains powered by three-phase ac rail. system developed using proposed be easily fitted on so that it doubles up as...

Ultra-high frequency (UHF) partial discharge (PD) detection is essential for routine maintenance of gas-insulated switchgear (GIS). Realizing low-noise with cost-effectiveness and ease installation promising but challenging. This paper presents a novel broadband noise-shaping network (BNSN) integrated printed monopole antenna (PMA) sensor to realize sufficient noise rejection good impedance matching. Moreover, by analyzing the equivalent circuit codesigning high-speed preamplifier proposed...

The high-frequency (HF) modeling of induction motors plays a key role in predicting the motor terminal overvoltage and conducted emissions drive system. In this study, physics informed neural network-based HF method, which has merits high accuracy, good versatility, simple parameterization, is proposed. proposed model consists three-phase equivalent circuit with eighteen elements per phase to ensure accuracy. structure symmetric concerning its phase-start phase-end points. This symmetry...

Motor impedance and mode transformation have significant effects on the electromagnetic interference (EMI) generated in motor drive systems. Stator winding faults commonly cause failure; however, their early stages, they may not affect short-term operation of motor. To date, EMI noise under influence premature stator has been adequately studied, particularly differential-mode (DM) due to common-mode (CM)-to-DM transformation. This study investigates quantifies DM First, transmission line...

This paper studies the semiconductor industry from three perspectives: historical, entrepreneurial and supply chain management. After a brief introduction, begins by tracing history evolution of including two seminal enterprises: Shockley Semiconductor Laboratory Fairchild Semiconductor. Starting invention transfer resistor (transistor) Nobel laureates (John Bardeen, Walter Houser Brattain William Shockley) founding "most successful failure" in Silicon Valley, Eight, discusses some earliest...

This paper presents a high linear dynamic range light-to-frequency converter (LFC) with integrated photodiodes (PDs). The response is achieved by two techniques. At first, the NWell/PSubstrate PD regulated to almost zero voltage drop, in order minimize bias-dependent leakage current under low light irradiance. Secondly, replica amplifier implemented monitor offset of regulator against process-voltage-temperature variation. As result, systematic and layout-dependent input can be reduced....

In an 8B/10B mode giga-bit-per-second serial data transactions, the de-serialized is sent to a comma detection and word alignment (CDWA) module identify boundaries, which prerequisite in high-speed transceivers such as PCIe, USB JESD204B/C. order ensure that code (/K/-code) can be correctly detected. Ten 10-bit detector cells are adopted typical CDWA module, require complex circuitry enormous power consumption. To overcome these limitations, low-area low-power circuit for JESD204B/C...

In this study, a 0.8-V- Vin 200-mA- Io capless low-dropout voltage regulator (LDO) is developed for wireless respiration monitoring system. The biaxially driven power transistor (BDP) technique proposed in the LDO, with current stimulation on bulk and gate terminal. With BDP technique, an adaptively biased current-driven loop (ABCL) designed which can reduce high threshold of transistor, thus presenting lower input reduced consumption. Moreover, provide improved dynamic response due to its...

Partial discharge (PD) is a prevalent sign of insulation aging and defects in high-voltage power equipment. Extended PD can lead to ongoing physical chemical reactions, resulting accelerated damage eventual equipment failure. To early detect PD, this article proposes novel wideband high-frequency coil antenna sensor-based measurement method. It maintains liftoff distance from the conducting ground wire without need for clamping, unlike typical current transformer (HFCT) sensor. The sensor...

A 5-13.5 Gbps multi-standard I/O link receiver is presented in this paper. An inductor-free CTLE, whose gain and bandwidth are highly adjustable, achieved by using the second-order negative capacitance circuit. high jitter tolerance clock data recovery (HJTOL-CDR) proposed for Spread Spectrum Clock applications. In work, JTOL improved two ways: first, a partial-noise-shaping-based digital loop filter (PNS-DLF) implemented to reduce output caused truncation error integral path; second, CDR...