Tune Your String Instruments Perfectly With Roadie Tuner
AudioProductsSensorTools

Tune Your String Instruments Perfectly With Roadie Tuner

Roadie Tuner is a dream come true for guitarists! The automatic ring tuner, that is quick, easy to use, and three times more accurate than the human ear, is dedicated to beginner guitarists who are almost always frustrated with not knowing how to tune their guitar. This ultimate...

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Tiny Professional Microphone Preamplifier
Audio

Tiny Professional Microphone Preamplifier

The board has been design around INA217 low distortion, low noise instrumentation amplifier. The INA217 is ideal for low-level audio signals such as balanced low-impedance microphones. Many industrial, instrumentation, and medical applications also benefit from its low noise and wide...

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High Performance Stereo Audio Amplifier using LM3886
Audio

High Performance Stereo Audio Amplifier using LM3886

The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Ω load and 38W into 8Ω with 0.1% THD+N from 20Hz–20kHz. The performance of the LM3886, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) protection...

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The SilentSwitcher, A Quiet Mains-free Power Supply
AudioPower supply

The SilentSwitcher, A Quiet Mains-free Power Supply

Audio projects become smaller over time with the rapid advancement of technology. A traditional power supply is still considered large compared to audio projects size constraints and it may not fit such delicate applications that need to deliver a good sound with zero noise. Jan...

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LTC3623 – Switching regulator doubles as Class-D audio amplifier
Audio

LTC3623 – Switching regulator doubles as Class-D audio amplifier

Clemens Valens @ elektormagazine.com discuss about LTC3623 switching regulator which can be used as Class-D Audio Amplifier. Sure thing, Elektor has published several designs of adjustable power supplies based on switching regulators, so we know that doing this properly in a...

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Laser for sending music over a distance
AudioLight

Laser for sending music over a distance

Light is a very popular means of communication. Today, optical fiber communication is the backbone of telecommunication and internet. Light is guided through a fiber optic cable in such systems to achieve low-attenuation and high speed data transmission. Question is: Is it possible to use...

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Whisper Trigger – An Ultra-low Power Voice Detector
AudioICTechnology

Whisper Trigger – An Ultra-low Power Voice Detector

For long period of time, we were using our muscles and bodies to control various machines. However, with the growth of technology, things became much easier. We moved to the use of keypads and buttons to get jobs done. Today, touchscreens have appeared and made everything very simple to...

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Low noise Mini Electret Microphone PreAmplifier
Audio

Low noise Mini Electret Microphone PreAmplifier

The single supply microphone pre-amplifier amplifies the output signal of an electret capsule microphone to audio line levels. An op amp is used as a trans-impedance amplifier to convert the output current from the microphone in to a signal level voltage. The circuit works with 9V so...

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