Now I'm starting a new topic, I'll talk about synchronization and firing. Ok, let's go!
The display of ORC can be adjusted by selecting the sweep speed (frequency) to show whether a cycle or several cycles part of a cycle of the signal. This is an important feature of the CRO. Each time the sawtooth voltage performs a linear scan cycle (out negative, and zero for a positive maximum), the electron beam is forced to move horizontally across the face of the tube, from left to center and right. The sawtooth voltage drops, then quickly to the initial voltage negative with the beam returning to the left. During the time that the voltage returns sweep (quickly) to negative (retrace), the beam is disabled (the voltage of the grid prevents the electrons reach the surface of the tube).
So you can observe on the oscilloscope display stationary, with incoming signals and synchronized scanning.
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