This audio amplifier circuit is useful in classrooms to reduce the strain of lecturing ,if the surrounding environment is noisy. It uses the power amplifier IC LM380 that gives 2 watts output which is ...

We published a design for a stereo microphone preamplifier with balanced inputs and a phantom power supply. The heart of this circuit was a special Analog Devices IC, the SSM2017. Unfortunately, this ...

Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s invention by the Russian [Oleg ...

Most audiophiles and enthusiasts have grown up with at least a basic understanding of what an amplifier does. It takes a tiny alternating electrical signal that represents the moment-to-moment ...

I do a bit of speaking at universities and conferences, and so I have come to know the audio-visual (AV) people quite well. They've told me how a few common "mythconceptions" about microphones make ...

With each new model year, automobiles seem to incorporate more electronic equipment to make them safer, more convenient, and entertaining. Many of those electronic additions are audio-related. These ...