3W Stereo Differential Input CLASS-D Audio Amplifier with UP/DOWN Volume
Audio

3W Stereo Differential Input CLASS-D Audio Amplifier with UP/DOWN Volume

The circuit presented here is a 3W stereo audio amplifier with memory UP/DOWN volume control. The project is based on PAM8408 IC from Diode Incorp which is a filter-less class-D amplifier with high SNR and Differential input which helps eliminate noise. Two tactile switches are provided...

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Audio-Balanced Line Driver – Unbalanced Audio to Balanced Audio Converter
Audio

Audio-Balanced Line Driver – Unbalanced Audio to Balanced Audio Converter

This audio-balanced line driver project enables to drive hundreds of feet in length of cables without becoming unstable The project is based on the THAT1646 chip, which is a new generation monolithic differential line driver that offers improved performance over conventional...

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1143
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Headphone Amplifier For DAC Converter
Audio

Headphone Amplifier For DAC Converter

This is a headphone amplifier project for audio digital-to-analog converters (DACs) with differential voltage outputs. This circuit converts the differential voltage output of the DAC to a single-ended, ground-referenced signal and provides the additional current necessary for...

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1054
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Audio Spectrum Indicator and Digital Clock with Remote Control
AudioProducts

Audio Spectrum Indicator and Digital Clock with Remote Control

Remember those good old days when everyone had those giant sound systems in their living room? Besides the inconvenience of the CDs, the sound experience was extremely fun, and they're always was a small star in the show: the small screen with the VU animations. Unfortunately, they fell...

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1561
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PUI API-4260-LW150-2-R Programmable Audio Indicator
Audio

PUI API-4260-LW150-2-R Programmable Audio Indicator

Did you ever make a project and wanted to output a sound that was more than just a beep? Or maybe you wanted to play a long song on repeat, such as an audio alert for when something is not working on a factory, or just to annoy your friends, your choice. An Audio Programmable Indicator...

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1417
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UGREEN HiTune Earbuds Offers Quality sound for Just $39.99
AudioTop Stories

UGREEN HiTune Earbuds Offers Quality sound for Just $39.99

For a few years now, earbuds have been part of pop culture. It is slowly phasing out the earpiece and headphones. Most people make use of them because of the troubles associated with wired ear accessories, while others use it as a cool fashion accessory. Regardless of the reason you use...

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Audio VU/Sound Level Meter with LM339
AudioLed

Audio VU/Sound Level Meter with LM339

This is an “Audio VU Meter” or “Sound Level Meter”, it is a general-purpose bar-graph Audio VU meter designed for fun projects. All you need is to hook up one wire to the output of the audio amplifier’s speaker pin along with GND and see the magic. The response of the circuit...

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Free Elektor Project: Q-Watt Audio Power Amplifier
Audio

Free Elektor Project: Q-Watt Audio Power Amplifier

Good news for all audio enthusiasts: we are proud to present yet another all-analog circuit developed entirely in house. Despite the simple design of this audio power amp with just one pair of transistors in the output stage, Q-Watt can deliver over 200 quality watts into 4 ohms with...

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