Stereo digital FM transmitter circuit
Stereo digital FM transmitter circuit
Nov 12, 2025 Circuits

Without a doubt, FM transmitter and receiver are among the top favorite electronic project topics, however, building a digital FM transmitter can be a challenging project for electronics enthusiasts...

Programmable current source overtemperature shutoff
Programmable current source with overtemperature shutoff
Nov 11, 2025 Circuits

Recently, we’ve seen Design Ideas for programmable current sources with improved accuracy using the LM3x7 series of three-legged regulators...

Phantom powered microphone preamplifier low noise
Phantom powered microphone preamplifier - low noise - professional quality
Nov 10, 2025 Circuits

The project presented here is a professional quality phantom powered microphone pre-amplifier...

PWM nonlinearity that software can fix
PWM nonlinearity that software can't fix
Nov 9, 2025 Circuits

There’s been interest recently here in the land of Design Ideas in a family of simple interface circuits for pulse width modulation control of generic voltage regulators...

How help are free AI tools
How help are free AI tools for electronic design?
Nov 6, 2025 Articles

For the past couple of years, I’ve been using AI to assist in the design of my hardware and firmware projects. The experience has generally been good, even though the outcome isn’t always useful...

Power supply accepts wide input-voltage range
Power supply accepts wide input-voltage range
Nov 2, 2025 Circuits

The switching power supply produces 3.3 V dc from an input voltage of 2.5 to 20 V dc with high efficiency. The circuit operates at an input voltage as low as 1.5 V...

Voltage-to-period converter offers high linearity fast
Voltage-to-period converter offers high linearity and fast operation
Oct 30, 2025 Circuits

The circuit converts the input DC voltage into a pulse train. The period of the pulses is proportional to the input voltage with a 50% duty cycle and a nonlinearity error of 0.01%...

Bourns introduces resistance temperature detector line
Bourns introduces resistance temperature detector line engineered to meet high accuracy and long-term stability requirements
Oct 30, 2025 News

Bourns, Inc. introduced its Riedon RTDW Series Resistance Temperature Sensors...

Flip ON Flop OFF 48-VDC systems
"Flip ON Flop OFF" for 48-VDC systems with high-side switching
Oct 29, 2025 Circuits

My Design Idea, “Flip ON Flop OFF for 48-VDC systems“, was published and referenced...

Low-power sup sup SPI-bus-to-dual-channel UART bridge
Low-power I2C/SPI-bus-to-dual-channel UART bridge from Diodes Incorporated improves automotive connectivity robustness
Oct 29, 2025 News

Diodes Incorporated announces the PI7C9X762Q, a high-performance automotive-compliant I2C/SPI-bus-to-dual-channel UART bridge...