This small audio amplifier uses an uncommon integrated circuit today. The circuit is from a documentation from the 70s and is indicated for portable receivers of the time.
We found this circuit in an American publication in 1973. The circuit generates a low frequency signal...
The L293 circuit is not common today. We found this circuit in the 1982 SGS linear integrated...
This circuit makes use of an uncommon integrated circuit. It can provide a power of 6 W when...