This good power amplifier, a few tens of watts, is part of an article in the December 1972 Radio Electronics magazine. The power supply must be symmetrical with at least 3 A.
This circuit is from the National Semiconductor CMOS manual of 1977. What this circuit does is to...
This configuration based on a conventional astable multivibrator was found in a 1982 publication. The...
This circuit was found in a Radio Electronics from the 90's. It provides lower frequency signals from...