Tiny MEMS microphone features 185µA ultra-low power mode
https://www.electronics-lab.com/tiny-mems-microphone-features-185%c2%b5a-ultra-low-power-mode/
The InvenSense T3902 is what TDK Corporation claims to be the world’s lowest power Pulse Density Modulation (PDM) microphone for mobile, IoT and other consumer devices. The multi-mode bottom-port MEMS microphone offers an exceptionally efficient 185µA ultra-low power mode, high SNR of 64.5 dB, and high Acoustic Overload Point (AOP) of 120 dB in a […]
Infineon Technologies S2GO MEMSMIC IM69D Shield2Go Board
https://www.electronics-lab.com/infineon-technologies-s2go-memsmic-im69d-shield2go-board/
Infineon Technologies S2GO MEMSMIC IM69D Shield2Go Board is a “plug and play” prototyping board based on the Shield2Go Evaluation Environment, and featuring two IM69D130 High-performance Digital MEMS Microphones. Infineon Technology IM69D130 is a High-performance Digital MEMS Microphone making use of Infineon’s Dual Backplate MEMS technology to deliver 105dB dynamic range and high output linearity up to […]
Phantom Powered Micro-Phone Pre-Amplifier using SSM2019
https://www.electronics-lab.com/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. The result is excellent audio performance, the attached trimmer potentiometer helps to adjust the output […]
MP23ABS1TR – MEMS Audio Single Ended Microphone
https://www.electronics-lab.com/mp23abs1tr-mems-audio-single-ended-microphone/
The MP23ABS1 is a compact, low-power microphone built with a capacitive sensing element and an IC interface. The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process to produce audio sensors. The MP23ABS1 has an acoustic overload point of 130 dBSPL with a typical 64 dB signal-to-noise ratio. The […]
TDK announces world’s first MIPI standard SoundWire microphone
https://www.electronics-lab.com/tdk-announces-worlds-first-mipi-standard-soundwire-microphone/
TDK Corporation introduces the world’s first MIPI Standard SoundWire® microphone for mobile, IoT and other consumer devices. This multimode microphone pushes the boundaries of digital microphone acoustic performance while providing advanced feature sets with very low power. Highlights T5808 is a 66 dB SNR/135 dB AOP digital microphone in a 3.5 × 2.65 × 0.98 mm package Supports […]
Arduino Nano 33 BLE Sense
https://www.electronics-lab.com/arduino-nano-33-ble-sense/
Arduino Nano 33 BLE Sense is one of the newest Arduino boards and packs many features and sensors. It’s Small, powerful, BT connected and with all the sensors you may need to design innovative applications. It’s a compact and reliable Nano board that is built around the NINA B306 module for BLE and Bluetooth 5 […]
Differential Microphone Pre-Amplifier
https://www.electronics-lab.com/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 microphone amplifier to be physically remote from the ECM microphone. This project features adjustable gain using […]
Chirp launches SDK to deliver data-over-sound for ESP32 Arduino projects
https://www.electronics-lab.com/chirp-launches-sdk-deliver-data-sound-esp32-arduino-projects/
The kit is available for ESP32 modules to offer developers cost-effective data transmission via sound waves. Chirp, the pioneers in data-over-sound technology today announced the launch of its new SDK for Arduino, providing developers with audio-based data transmission capabilities to enhance projects created on the platform. Now supporting ESP32 development boards, Chirp’s SDK for Arduino […]
CUI’s MEMS Microphones deliver enhanced audio quality
https://www.electronics-lab.com/cuis-mems-microphones-deliver-enhanced-audio-quality/
CUI’s analog and digital MEMS microphones deliver enhanced audio quality in extremely compact packages. CUI’s MEMS microphones provide users with improved audio quality and performance in compact, low-profile packages as small as 2.75 mm x 1.85 mm x 0.95 mm. Featuring sensitivity ratings from -44 dB up to -26 dB, signal-to-noise ratios from 57 dBA up to 65 dBA, and sensitivity tolerances […]
Comparing MEMS and Electret Condenser Microphones
https://www.electronics-lab.com/comparing-mems-electret-condenser-microphones/
MEMS Microphone Basics MEMS microphones are constructed with a MEMS (Micro-Electro-Mechanical System) component placed on a printed circuit board (PCB) and protected with a mechanical cover. A small hole is fabricated in the case to allow sound into the microphone and is either designated as top-ported if the hole is in the top cover or […]