This circuit is from an old manual, but can be easily assembled as the integrated one is still common. Power depends on the application and can typically be between 3 and 12 V. The circuit can function as a shield.
![](/images/stories/cir/224712472023_155747_0001.gif)
This circuit is from an old manual, but can be easily assembled as the integrated one is still common. Power depends on the application and can typically be between 3 and 12 V. The circuit can function as a shield.