Category: Audio
![Single-Ended, 2-Channel GaN Class D Amplifier – Evaluation Board Single-Ended, 2-Channel GaN Class D Amplifier – Evaluation Board](https://www.electronics-lab.com/wp-content/uploads/2020/05/Infineon-Class-D-feat.jpg)
Single-Ended, 2-Channel GaN Class D Amplifier – Evaluation Board
The EVAL_AUDAMP24 e-mode GaN HEMT-based evaluation board from Infineon Technologies is a 2-channel, 225W/ch (4Ω at ±43V) or 250 W/ch (8Ω at ±63V) half-bridge class D audio power amplifier for high-end Hi-Fi audio systems. This evaluation board demonstrates how to use the IGT40R070D1...
Continue Reading![Phantom Powered Micro-Phone Pre-Amplifier using SSM2019 Phantom Powered Micro-Phone Pre-Amplifier using SSM2019](https://www.electronics-lab.com/wp-content/uploads/2020/03/IMG_4538.jpg)
Phantom Powered Micro-Phone Pre-Amplifier using SSM2019
The project published here is based on SSM2019 IC which is a latest-generation Pro audio preamplifier. A female XLR connector is provided to connect differential Micro-phone. Circuit also provides Phantom power input, combining SSM preamplifier design expertise with advanced processing....
Continue Reading![U-AMP – open source versatile audio amp U-AMP – open source versatile audio amp](https://www.electronics-lab.com/wp-content/uploads/2020/01/uamp1.png)
U-AMP – open source versatile audio amp
An open source universal audio amplifier called ‘U-AMP‘ @ GmanModz, that is available on GitHub: Using what I learned getting digital audio working on each systems, I set out on a new project I would call “U-AMP” (Universal-Amp). This would be ONE pcb which has the features of...
Continue Reading![Free Elektor Article: Card Sound Free Elektor Article: Card Sound](https://www.electronics-lab.com/wp-content/uploads/2020/01/Free-Back-Article-Card-Sound-Elektor-Magazine-1024x809.png)
Free Elektor Article: Card Sound
With a smartphone or an MP3 player it’s easy to play audio files, but generally not at room strength or if you can, only in wretched quality. The Card Sound project makes it possible to fill the room with music and have excellent sound reproduction! This lightweight and compact player...
Continue Reading![Stereo volume and balance control with Rotary Encoder using MAX5440 Stereo volume and balance control with Rotary Encoder using MAX5440](https://www.electronics-lab.com/wp-content/uploads/2019/12/001-e1576058617802.jpg)
Stereo volume and balance control with Rotary Encoder using MAX5440
The project described here is a compact stereo volume and balance control with rotary encoder. It provides 32 log potentiometer steps with buffered wiper output. The project can easily replace mechanical potentiometer. 5 LEDs indicate the volume level or balance settings , depending on...
Continue Reading![USB Powered Audio Amplifier using MAX4298 USB Powered Audio Amplifier using MAX4298](https://www.electronics-lab.com/wp-content/uploads/2019/10/1-2.jpg)
USB Powered Audio Amplifier using MAX4298
USB powered mini speaker amplifier is conveniently powered by USB and it is simple to set up. USB powered speakers are convenient for listening to your media while at home or on the go. Conventional computer speakers that require an electrical outlet to work can be prohibitive because...
Continue Reading![Mini Speaker Attached Audio Amplifier using TS4871 Mini Speaker Attached Audio Amplifier using TS4871](https://www.electronics-lab.com/wp-content/uploads/2019/10/mini-audio-amplifier-2.jpg)
Mini Speaker Attached Audio Amplifier using TS4871
This Mini Audio Power Amplifier is capable of delivering 1W of continuous RMS Output Power into 8 ohms load @ 5V. The Amplifier is built using TS4871 IC from ST. This Audio Amplifier is exhibiting 0.1% distortion level (THD) from a 5V supply for a Pout = 250mW RMS. An external standby...
Continue Reading![Differential Microphone Pre-Amplifier Differential Microphone Pre-Amplifier](https://www.electronics-lab.com/wp-content/uploads/2019/09/004-1.jpg)
Differential Microphone Pre-Amplifier
The project shown here is a microphone preamplifier that provides high quality amplification, optimized for use in computers, media and mobile applications. The pre-amplifier provides a differential input stage, making the device particularly effective when layout constraints force the...
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