This very low current circuit with the ICM7860 was found in the April 1995 Electronics Now magazine. The output voltage depends on the input voltage.
This window comparator circuit was found in a Popular Electronics from the 90s. The circuit has a...
This small audio amplifier can be used with microphones and other audio sources. The circuit can...
Found in American documentation from the 1980s, this circuit operates in the frequency range 0.5...