This circuit was obtained from a 1969 Electronic Design. Transistors admit modern equivalents. The frequency of the signals is set to R2.
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...