Described in an article in the March 1979 issue of Radio Electronics magazine, this generator was used in an audio test station. The frequencies are given by the capacitors.
This circuit maintains on a flashing LED at a frequency determined by the capacitor. The...
We got this circuit in an old publication from 1978. The circuit uses a phototransistor and an...
This simple LDO, or low voltage drop regulator was found in an Electronic Design from the 90s. The...