Safe operating area
Safe operating area
Mar 9, 2026 Articles

Any semiconductor has limits on how much voltage, how much current, and for how much time combinations of voltage and current can be supported in normal usage...

Single IC forms sensitive modulated light
Single IC forms sensitive modulated light receiver
Mar 8, 2026 Circuits

It is a great circuit when you want to extend the range of an optical remote control transmitter...

Simple shorts sniffer
Simple shorts sniffer
Mar 4, 2026 Circuits

Recently, frequent and favorite contributor Nick Cornford gave us a cool and novel acoustic-interface design for a super sub-ohmmeter capable of audibly sniffing out defects in PWBs...

Accurately sensing high currents
Accurately sensing high currents
Mar 3, 2026 Articles

This article describes a circuit that facilitates the measurement of currents from amps to hundreds of amps with a high degree of precision. Introduction...

Silly simple supply sequencing
Silly simple supply sequencing
Mar 2, 2026 Circuits

Frequent contributor R. Jayapal recently shared an interesting Design Idea for power supply control and sequencing in MCU-based applications that combine analog and digital circuitry...

Temperature compensation simple resistance temperature detector
Temperature compensation with a simple resistance temperature detector
Mar 1, 2026 Articles

With the trend toward miniaturization, temperature effects in power electronics are more pronounced than ever. If you’re dealing with temperature fluctuations in your circuit, you may need a stabilization system to keep the temperature constant and minimize noise in the circuit response...

WIZnet launches ioPort series WIZ-IP20 WIZ-IP55
WIZnet launches ioPort series: WIZ-IP20 & WIZ-IP55
Feb 26, 2026 News

WIZnet is releasing ioPort, a new RJ45-style module series made to add Ethernet to embedded products with less PCB work and faster time-to-market...

Generating negative resistance
Generating negative resistance
Feb 25, 2026 Articles

I’ve been working with dc power supplies and batteries for over 30 years now and every day I employ Ohm’s Law, V = I·R, to solve some problem or make some calculation related to dc power...

Passive RC circuit produces gain
Passive RC circuit produces gain
Feb 24, 2026 Articles

Could a simple passive RC network without any transformers, inductors, switches, or non-linear components produce a voltage gain?...

Toshiba introduces 40V eFuse ICs small
Toshiba introduces 40V eFuse ICs in small TSOP6F packages for power line circuit protection in industrial and consumer applications
Feb 24, 2026 News

Toshiba Electronics expands its electronic fuse (eFuse) lineup with the introduction of the 40 V TCKE6 series...