This circuit was described in an article in Electronics Now magazine in December 1995. The circuit uses integrated circuits that are still well known today.
This 1998 circuit controls the volume in a stereo system by touching switches. The circuit is for...
A 25 mVpp applied to the input of this circuit produces in the output a 1 Vpp signal. The...
The basic integrated circuits of this 1988 multimeter are no longer very common today, but if...