We found this circuit in an old documentation, but the components used offer no difficulty in obtaining it. The CMOS integrated circuits are powered by a 6V supply.
This circuit, suggested by Texas Instruments, is based on the integrated TL497A, designed for...
We found this circuit in a 1987 magazine, but the use of still common components allows its...
This amplifier makes use of a simple 12 to 30 W source, having been found in the SGS manual of...