This sophisticated audio generator with digital display was found in the March 1984 issue of Radio Electronics magazine. The circuit includes a power supply with various voltages.
This circuit was found in the February 1981 issue of Radio Electronics magazine. The circuit uses...
Found in American documentation from the 90's, this circuit oscillates up to 150 MHz. The...
This circuit can work with power voltages from 6 to 35 V, being suggested by the Motorola Linear...