“There is nothing new under the sun” is a phrase proclaimed in Ecclesiastes. We are at the brink of converting radio and television broadcasting over to digital yet the theories behind these systems ...

Generating analog sawtooth waveforms (linear ramp followed by a quick reset to zero) from digital timing signals is a common function. It usually requires a negative supply as sketched in Figure 1, ...

Turn a plain old waveform into a full-fat synth bass using a handful of plugins When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Great sounds can ...

If we had a dime for every 555-based noisemaker circuit we see… But this one’s got a twist. [Tristan] does two things that elevate his sawtooth-wave noisemaker above the norm. First, he gets a clean ...

In previous posts, I have introduced several do-it-yourself pwm controller circuits and reviewed several Chinese PWM controller modules. The next step in this post is to share the design of another ...