Articles and news - 10

Simple 5-component oscillator works below 0.8V
Simple 5-component oscillator works below 0.8V
Nov 26, 2024 Articles

Often, one needs a simple low voltage sinusoidal oscillator with good amplitude and frequency stability and low harmonic distortion; here, the Peltz oscillator becomes a viable candidate...

STMicroelectronics STGAP3S advanced galvanically isolated gate
STMicroelectronics' STGAP3S advanced galvanically isolated gate drivers feature flexible protection for IGBTs and SiC MOSFETs
Nov 26, 2024 News

Targeting industrial and energy applications with motor drives for air conditioning, home appliances and factory automation, as well as power control in charging stations, energy storage systems, and power supply units STMicroelectronics’ STGAP3S family of gate drivers for silicon-carbide and IGBT power switches...

Pocket-size white noise generator quickly testing
Pocket-size white noise generator for quickly testing circuit signal response. Part 2 - Technical implementation
Nov 25, 2024 Circuits

Implementation details Loop area R1/C1/R3 should be minimized for best EMI rejection. Additionally, R1/C1 should be very well shielded from electrical fields, which will be discussed further in the EMI Considerations section...

RS-232 meets voltage-to-frequency converter
RS-232 meets voltage-to-frequency converter
Nov 22, 2024 Circuits

In the early days of personal computers, incorporation of one or two (or more) RS-232 serial ports as general purpose I/O adaptors was common practice...

DIY Low Frequency Generator Op-Amp Tester
DIY Low Frequency Generator - Op-Amp Tester
Nov 21, 2024 Circuits

The oscillator was intended for other purposes, but unexpectedly its breadboard prototype became in great demand for evaluating the performance of operational amplifiers purchased on well-known Internet sites...

Negative time-constant PWM program versatile ADC
Negative time-constant and PWM program a versatile ADC front end
Nov 20, 2024 Circuits

A variety of analog front-end functions typically assist ADCs to do their jobs. These include instrumentation amplifiers, digitally programmable gain, and sample and holds. This circuit is a bit atypical in merging all three of these functions...

Pocket-size white noise generator quickly testing
Pocket-size white noise generator for quickly testing circuit signal response. Part 1 - Noise discussion
Nov 19, 2024 Circuits

Noise in electrical circuits is typically the enemy, and any self-respecting circuit should output as little noise as possible. Nevertheless, there are cases where a well-characterized source of noise with no other signal is entirely the desired output...

Phantom microphone power ghost machine
Phantom microphone power - the ghost in the machine
Nov 18, 2024 Articles

Modern day recording and broadcast is a mixed bag for today's audio engineers when it comes to input signal chains. Microphone electronic technology really hasn't changed that much over the last 50 years...

fully analog electronic dice
A fully analog electronic dice
Nov 15, 2024 Circuits

An electronic dice is always an enjoyable project, which is easy to implement with some lines of program code on a microcontroller, or with a few digital components. However, implementing an electronic dice in analog technology is more of a challenge...

Half Half piezo drive algorithm tames
Half & Half piezo drive algorithm tames overshoot and ringing
Nov 13, 2024 Circuits

Piezoelectric actuators are excellent fast and precise means for generation and control of micro, nano, and even atomic scale movement on millisecond and faster timescales. Unfortunately, they are also excellent high-Q resonators...