The circuit uses operations that are no longer common nowadays, as it is a configuration obtained in the Linear Applications Handbook of the National Semiconductor of 1994.
This circuit is from an April 2000 Poptronics. The magazine no longer exists, but the circuit can...
We found this circuit in the Radio Electronics Handbook magazine special edition of 1992. The...
The integrated circuit used in this project is uncommon today, but the configuration can be...