Measure AC mains frequency an ordinary
Measure the AC mains frequency with an ordinary counter
Oct 19, 2026 Circuits

Knowing the mains frequency is important in many industries; the speeds of AC motors, for example, are dependent on it...

Qorvo sets benchmark new X-band RF
Qorvo sets benchmark with new X-band RF front-end solution tailored for radar systems
Oct 19, 2026 News

Qorvo announced an X-band front-end solution that combines high transmit output with low-noise, high-linearity receive performance for active electronically scanned array radar...

Accurate one shot pulse generator
Accurate one shot pulse generator
Oct 18, 2026 Circuits

This timer circuit draws only 3 µA of current, and can be powered by DC supplies ranging from 3 V to 15 V...

An unbuttoned circuit setting digital pots
An unbuttoned circuit for setting digital pots
Oct 14, 2026 Circuits

This Design Idea enables you to program digital potentiometers with inexpensive rotary incremental encoders...

USB PD adapter
USB PD adapter
Oct 13, 2026 Circuits

The USB PD adapter is is a compact variable power supply capable of utilizing nearly any USB Type-C PD power supply with PPS-feature as an input to power your projects with various selectable voltages and high currents...

PWM automatic heater controller
PWM automatic heater controller
Oct 12, 2026 Circuits

Analog circuits have had their day; everything is digital now. However, here’s a simple analog circuit built with one good, old, but still available pulse-width-modulating regulator chip...

Wire pushbuttons series simplify DPOT up
Wire pushbuttons in series to simplify DPOT up/down circuit
Oct 11, 2026 Circuits

A curious connection of control buttons makes a simpler-is-better digital potentiometer interface possible...

Power-supply decoupler protects your UUT
Power-supply decoupler protects your UUT
Oct 8, 2026 Articles

You can install the bench-top accessory in Figure 1 between a variable-voltage bench power supply and a breadboard or UUT (unit under test) to protect against accidental over­voltage and reverse polarity...

Renesas introduces smallest configurable GreenPAK IC
Renesas introduces smallest configurable GreenPAK IC with multi-time programmability in ultra-compact WLCSP and STQFN packages
Oct 8, 2026 News

Renesas Electronics Corporation announced the SLG46801, the industry’s smallest GreenPAK configurable mixed-signal device offered in both WLCSP and STQFN packages...

48 volt PWM relay solenoid driver
8 to 48 volt PWM relay/solenoid driver finds fault, pinches power
Oct 7, 2026 Circuits

This versatile Design Idea survives and reports open- and short-circuits, not to mention multiplying efficiencies...