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...

Continue Reading
1.136
Views
0 Comments
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...

Continue Reading
1.751
Views
0 Comments
Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling
Audio

Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling

This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize...

Continue Reading
1.828
Views
0 Comments
Microphone Preamplifier – Sound Sensor
AudioTop Stories

Microphone Preamplifier – Sound Sensor

This is an easy to construct dual-stage microphone pre-amplifier. The project can be used as a sound sensor or microphone pre-amplifier. The 1st op-amp pre-amplify the very low-level signal coming from the condenser microphone and 2nd op-amp provides more boost to the audio signal. The...

Continue Reading
1.904
Views
0 Comments
Differential Microphone Pre-Amplifier
Audio

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...

Continue Reading
3.039
Views
0 Comments
Free Download from Elektor: Supra 2.0 super low-noise MM/MD phono preamp
Audio

Free Download from Elektor: Supra 2.0 super low-noise MM/MD phono preamp

Original publication: Elektor magazine July & August 2016, Authors: Thomas Scherer and Ton Giesberts (Elektor Labs), Free download expires: Friday 30 August, 2019 Vinyl is back with a vengeance among hi-fi enthusiasts. The sound of vinyl records is something very special and cannot...

Continue Reading
6.028
Views
0 Comments
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...

Continue Reading
5.847
Views
0 Comments
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...

Continue Reading
7.876
Views
1 Comments

Join 97,904 other subscribers

Archives