This is another of the circuits with the LM380 that we have in this section. We found it in an article about Walkman amplifiers in the Radio Electronics magazine of March 1986.
This small preamp for low impedance microphones was found in a Popular Electronics from November 1968....
The CA3162E and CA3161E pair were widely used to create a 3-digit digital display. This basic...
This circuit, which uses common components even today, was found in a 2001 documentation. It is an...