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.
We obtained this circuit from an old Argentine magazine. The circuit originally uses germanium...
We found this circuit in an old English publication. The sensor is a common LDR. and the...
This circuit is from an 80's component manual. The components are from the time, but the circuit...