The frequency of this clock oscillator is given by the crystal. The trimmer sets the ideal starting point for oscillations.
This circuit is from a specialized documentation in 1992 FETs. The L1 coil has 0.07 uH with...
We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...
This is the simplest setting for lighting an LED. The circuit is from old English documentation that got...