Found in a 90’s Popular Electronics, this circuit uses two CMOS inverters to generate a signal of a few hundred hertz determined by C1 and the R3 setting.
With calibrated RV1 it is possible to find a zener diode voltage. The integrated circuit is 0 741...
This power supply was originally created for the CB16760E (Loudness System) but can be used in any...
This car turn signal circuit was found in the April 1969 issue of Radio Electronics magazine. The...