This 5-band function generator circuit was found in the April 1994 Electronics Now magazine. The circuit has three possible waveforms and employs additional operationals.
We found this inverter in a Popular Electronics from the 1980s. The output is not perfectly...
Found in American documentation from the 90s, this circuit uses common FETs. It has a range drift...
The frequency of the sound produced in the speaker depends on the light that falls on the...