This circuit was obtained in a documentation from the 70s. The operational amplifiers used are uncommon today. Modern equivalent types can be tried out.
This is the simulation of a Ultrasound Receiver using the 741 IC, an operational amplifier....
This car amplifier was found in the 1982 SGS Linear Integrated Circuits manual. The circuit can be...
The circuit shown in the figure activates a small indicator lamp that will start to flash when the...