This circuit was obtained in a 1970 EEE and applies to almost any operational amplifier. The supply voltage depends on the operational amplifiers used.
The integrated circuit used in this project is not common today. The circuit must be powered by a...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This 2mA source was found in a 1968’s Philips documentation. The transistor may be the BC549. |...