This basic circuit was found in the March 1998 issue of Electronics Now magazine. The circuit is powered by 2V and uses a 28 MHz crystal or resonator.
This circuit can also be used as a shield if the excitation is made with 5 V and the output stage...
This type of sensor was used in sensitive infrared systems from the 1960s. This circuit was found...
We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...