This circuit with the LM741 operational amplifier can be applied to other operational amplifiers. We found it in the September 1989 Radio Electronics magazine.
This circuit was obtained from a 1977 documentation. The circuit does not require a symmetrical power...
This electronic “windsock” is operated by a magnetic switching system. It was found in a Radio...
This astable multivibrator with an operational one at the time was found in the National...