This circuit tunes MW radios to apply the signal to a good audio amplifier. The circuit is from an old documentation. Transistors are general purpose types.
This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard...
Adders appear several times on this site with operators of all types. In this circuit the output...
This circuit was found in the October 1993 Electronics Now magazine. The circuit can be used in a...