Audio Line Receiver using INA134
Audio

Audio Line Receiver using INA134

The project described here is a differential line receiver consisting of high-performance INA134 OPAMPs with on-chip precision resistors. The project is fully specified for high-performance audio applications and has excellent AC specifications, including low distortion (0.0005% at...

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Audio Line Driver using DRV135 with Balanced Output
Audio

Audio Line Driver using DRV135 with Balanced Output

The project presented here is a differential output amplifier that converts a single-ended audio signal input to a balanced output pair. This balanced audio project consists of high-performance OPAMPS with on-chip precision resistors. They are fully specified for high-performance audio...

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1.069
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PyPortal Winamp MP3 Player
Audio

PyPortal Winamp MP3 Player

This project will turn your PyPortal into an MP3 player to play your favorite tunes with the familiar Winamp look. Create and manage multiple JSON playlists and rock out to whichever one fits the mood. Take it a step further by choosing a custom Winamp skin and converting it for use on...

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1.219
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Dual 40W Audio Power Amplifier with Mute
Audio

Dual 40W Audio Power Amplifier with Mute

The stereo audio amplifier project shown here is capable of delivering typically 40W per channel continuous average output power into an 8Ω load with less than 0.1% (THD+N). The project is built using an LM4766 chip from Texas Instruments, The performance of the LM4766, utilizing its...

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1.173
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Pre-Amplifier for MEMS Microphone
Audio

Pre-Amplifier for MEMS Microphone

This is a low-cost, small-size audio pre-amplifier for MEMS microphone, OPAMP-based circuit amplifies the low-level analog signal coming from MEMS microphone to the desired level required for the next stage which is an audio amplifier, basically microphone level to line level. Resistor...

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1.126
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10W Class-D Stereo Audio Amplifier with Mute, Shutdown and Four Gain Settings
Audio

10W Class-D Stereo Audio Amplifier with Mute, Shutdown and Four Gain Settings

This is a Class-D Stereo audio amplifier project that provides 10W stereo output. The amplifier includes Gain control using 2 x Jumpers, Mute function, and shutdown function. RCA female connectors are provided for the audio source input, screw terminals are provided for an easy...

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1.131
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MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier
Audio

MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier

MEMS Microphones is setting a new performance benchmark across a growing number of industries. These innovative silicon microphones were designed to extend the benefits of the lowest possible self-noise (high SNR) and lowest distortion to an ever-expanding number of applications. The...

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1.736
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MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE
Audio

MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE

Stereo finds widespread applications in audio media production owing to the growing demand for portable consumer electronics and listening systems like PA systems and sound boxes supporting impression and sonics of natural hearing. Form factor requirement of the new maker and DIY boards...

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1.303
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