This 80's General Electric circuit is guarded by the noise-guard for operating current. The circuit has an input sensitivity of 3 pA. The font must be symmetrical.
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...