This article is part of the Ideas for Design Series: Vol. 3, No. 7. This simple, robust, and low-cost signal generator, based on the LM386 power amplifier IC, provides a trio of audio-band signals ...

It’s not often that a single photo can tell you pretty much everything you need to know about a project, but the spectrum analyzer screenshot nearby is the perfect summary of this over-the-top ...

What is a high frequency generator circuit? High frequency waveform generator is very useful in electronic experiment and design. This circuit generate sine wave oscillation, but actually we can ...

In the 1980s, I started a job with a company that produced high-end analog stereophonic-audio systems. One of the products was a system comprising a 200-W amplifier, a tape deck, a turntable, and a 10 ...

Random noise voltage of the thermal agitation type is frequently used in Research Department as a test signal for certain audio-frequency measurements. The report describes a noise generator which has ...