Found in American documentation from 1969, this circuit uses logic inverters to obtain sequences of 4 pulses. The circuit can be used as a shield.
The sensors in this circuit are NTCs and PTCs that work in a differential way by directly...
We found this circuit in a 90's Radio Electronics. The circuit can still be easily assembled as all...
Found in a 90s Electronic Design, this circuit rectifies sinusoidal signals providing output as...