Using an integrated circuit that was available at the time, this circuit produces animal sounds such as mooing, rooster crowing, etc. The circuit is from a March 1997 Electronics Now magazine.
This 12.5 W quasi-complementary amplifier was found in a 1969 General Electric publication. Note the high...
This low power amplifier, with 2 W in charge of 16 ohms, was found in a Japanese magazine from the...
The integrated circuit used by SGS is not common today. The circuit is from the 1982 SGS linear...