This circuit uses a capacitor that depends on the frequency of the crystal. We found it in a 1967 documentation. The maximum frequency is around 100 kHz.
This circuit turns on a lamp after the time set on the potentiometer. The circuit is from a Radio...
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...