In the diagram from the November 1999 Electronics Now magazine we have the way to improve both the gain and the stability of the LM386 amplifier.
This circuit for 12 V relays was found in the July 1992 Radio Electronics magazine. The circuit is set...
To fit the integrated circuit under test, we used an 8-pin DIL socket. Observe the fitting...
This flip-flop or bistable was found in a publication about transistors from the 60's. The circuit...