Calibration Part
Calibration, Part 1
Jun 23, 2026 Articles

In the comments to my series of blogs on temperature measurement on the late, lamented Microcontroller Central, there was some feeling that a blog on calibration of analog IO might be a good idea...

4mA-20mA 0mA-20mA converter current mirror drives
4mA-20mA to 0mA-20mA converter's current mirror drives grounded load
Jun 22, 2026 Circuits

The ubiquity of the 4 to 20 mA current loop in analog process monitoring and control creates possibilities for peculiar designs of circuits for unusual accessory functions...

Surface mount microwaves
Surface mount and microwaves
Jun 21, 2026 Articles

Upside-down mounting can deliver inductance upsides for surface mount passives and other components...

Dual-fan PWM cooling circuit 6W isolated
Dual-fan PWM cooling circuit with a 6W isolated flyback power supply
Jun 18, 2026 Circuits

This project presents the design and implementation of a dual-fan PWM cooling circuit, integrating a compact and efficient power supply with intelligent fan speed regulation...

Charge pump efficiently divides supply voltage
Charge pump efficiently divides supply voltage
Jun 17, 2026 Circuits

This circuit uses a few FETs and logic devices to down convert a DC voltage to about one half its value...

Zener test circuit serves as DC
Zener test circuit serves as DC source
Jun 16, 2026 Circuits

This Design Idea describes a versatile test circuit for zener diodes after yet another misread zener diode had infiltrated the ranks of 1N4148 diodes assembled on a pc board...

N-ch P-ch transistors form push-pull driver
N-ch and P-ch transistors form push-pull driver
Jun 15, 2026 Circuits

This circuit can produce high speed output signals with fast rise and fall times...

Toshiba samples TB9M040FTG SmartMCD device integrating
Toshiba samples TB9M040FTG SmartMCD device integrating MCU and MOSFETs for direct drive of compact automotive BLDC motors
Jun 15, 2026 News

Toshiba Electronics Europe has started shipping engineering samples of the TB9M040FTG, a new addition to its SmartMCD series...

Circuit protects battery polarity reversal
Circuit protects from battery polarity reversal
Jun 14, 2026 Circuits

This simple circuit can protect a sensitive electronic circuit from an accidental connection of a battery with a reversed polarity...

0.1 resolution capacitive position sensor
~0.1% resolution capacitive position sensor
Jun 11, 2026 Circuits

Simple circuit ratios sensor capacitance to reference capacitor to measure micrometers...