EDN

Unusual 2N3904 transistor circuit

A Planet Analog article, “ 2N3904: Why use a 60-year-old transistor? ” by Bill Schweber, inspired some interest in this old ...
manilatimes

ROHM Has Developed Ultra-compact CMOS Op Amp: Delivering Industry-leading Ultra-low Circuit Current

KYOTO, Japan, Sept. 9, 2025 /PRNewswire/ -- ROHM Co., Ltd. has announced that its ultra-compact CMOS Operational Amplifier (op amp) TLR1901GXZ achieves the industry's lowest operating circuit current ...

Ideal Power Announces Power Rating Increase for its Discrete B-TRAN® Product

Ideal Power Inc. (Nasdaq: IPWR) ("Ideal Power," the "Company," "we," "us" or "our"), developer and innovative provider of the ...
Planet F1

F1 circuit contracts: What is the current contract status of every track?

The calendar is a critical piece of F1’s commercial arsenal, with race hosting fees one of the biggest revenue streams for Formula One Management. Limited to a maximum of 24 races under the Concorde ...
IEEE

Battery Charging Optimization Using Adaptive Multistage Constant Current–Constant Voltage Method With Multiagent Particle Swarm Optimization

Abstract: Constant current–constant voltage (CCCV) is the commonly used charging method today. Although this method can charge a battery quickly, it neglects the battery’s safety. To combat this ...
IEEE

A Novel Reconfigurable Wireless Charging System Achieving Constant Current and Constant Voltage Conversion by a Single Secondary-Side Switch

Abstract: The wireless charging process for lithium batteries involves two key phases: constant current (CC) mode and constant voltage (CV) mode. This brief introduces a novel method for topology ...
Yahoo Finance

Trump tariffs live updates: US to impose up to 100% tariffs on drugs, furniture, kitchen cabinets

President Trump announced new tariffs on pharmaceuticals, heavy trucks, and furniture, including a 100% duty on patented drugs, with some exemptions. Thursday's move is one of Trump's new ...