Designing kW sine wave inverter circuit
Designing 1 kW sine wave inverter circuit
Jul 1, 2025 Circuits

An inverter provides power backup for mains-based appliances in the event of a power failure...

Renesas brings USB-C Rev. 2.4 support
Renesas brings USB-C Rev. 2.4 support to new ultra-low-power RA2L2 microcontroller group
Jul 1, 2025 News

Renesas Electronics Corporation introduced the RA2L2 microcontroller group with ultra-low power consumption and the industry’s first support for the new UCB-C Revision 2.4 standard...

amp current injector circuit
1 amp current injector circuit
Jun 30, 2025 Circuits

The electronic circuit injects a precise 1 Amp of current into any unknown resistor, up to about two ohms. Two alkaline C cells power the complete circuit...

Operational amplifier electrochemical sensors
Operational amplifier for electrochemical sensors
Jun 29, 2025 Articles

This article discusses the applications of an operational amplifier for electrochemical gas sensors such as ethanol and carbon monoxide...

two-way Wilson current mirror
A two-way Wilson current mirror
Jun 26, 2025 Circuits

Recently, I published a Design Idea describing a bidirectional current mirror using just two transistors and a diode. That circuit works well in some applications, like the one shown in the DI itself, but it nevertheless has limitations due to various error-introducing effects...

pSemi announces high-performance UltraCMOS mmWave SPDT
pSemi announces high-performance UltraCMOS+ mmWave SPDT switch
Jun 26, 2025 News

pSemi Corporation, a Murata company announced the introduction of a new high-performance mmWave SPDT RF switch: the PE42528...

Solar storms their potential create electronic
Solar storms and their potential to create electronic chaos
Jun 25, 2025 Articles

Solar events have destroyed grids, set wires on fire, downed satellites. Are we ready for the next big one?...

two-wire temperature transmitter using an RTD
A two-wire temperature transmitter using an RTD sensor
Jun 24, 2025 Circuits

With a fortnight’s struggle, I completed the design of 4 mA to 20 mA, two-wire temperature transmitter using a platinum resistance temperature detector (RTD) sensor, as shown in Figure...

Circuit controls microneedle etching
Circuit controls microneedle etching
Jun 23, 2025 Circuits

At its invention roughly four decades ago, STM created a sensation because it was the first technology to make atomic-scale-resolution imaging a routine procedure. An essential requirement for the practical application of STM is some means for the reproducible fabrication of supersharp, atomic-scale needle tips...

Simple low-voltage charge-pumps. Part Alternatives
Simple, low-voltage charge-pumps. Part 2 - Alternatives
Jun 22, 2025 Circuits

The voltage booster is a 'true' charge pump. When the output of the 555 is low...