A friend of mine is producing a series of HOWTO videos for an open source project, and discovered that he needed a better microphone than the one built into his laptop. Upon searching, he was faced ...
Abstract: A gm-opamp-RC configured CMOS linear preamplifier for electret microphone is presented in this paper. The transconductance amplifier (gm-cell), as a V/I convertor at the input stage of the ...
Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the ...
The OpAmps, LM358P (2 channels, bandwidth 700 KHz) and the LM324N (4 channels bandwidth 1 MHz) are probably the most common available and cheapest OpAmps. They can be used as dual supply or single ...
Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093 Zürich, Switzerland Article Views are the COUNTER-compliant sum of full ...
In my latest Awesomely Interesting Electronic Projects for Beginners column, we added a small microphone breakout board (BOB) to our breadboard. As part of this, we had to solder a 3-pin header to our ...
These days, it feels like anyone and everyone has a podcast of some description. Whether it’s an investigative series, serious political talk, or just joking around amongst friends, one thing they all ...
Many projects on these pages do clever things with video. Whether it’s digital or analogue, it’s certain our community can push a humble microcontroller to the limit of its capability. But sometimes ...
Most PC “mic” inputs are pretty average for noise and distortion, and they’re usually mono. Plus, they can’t properly take balanced, pro microphones that often need 48-V phantom power. This ...
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