This circuit was found in a 1980s documentation for amateur radio. The circuit makes use of components of the era, but modern equivalents can be used.
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...