This 1967 General Electric circuit makes use of an array of 3 (integrated) transistors for an amplifier stage. The circuit has a 500 mV output.
This oscillator with signal amplitude adjustment generates a 6.5 Hz signal with the values of the...
We found this circuit for guitar training in an English documentation from 1989. The components are from...
This circuit was found in a Hands On Electronics from the 90s. The circuit does not need a...