D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of measurement equipment. We are using such tools as animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.
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Glitch is a pulse noise of different origin.
It’s often a reason for logical systems failure. Typical instances of glitch are:
Reflections – appear in mismatched lines, the signal part is reflected from the receiving device back to the line after some delay.
Noise pickup – induced signal appearance in a very closely located neighbor bus.
Jump on the ground – local temporary ground level sift (and therefore - threshold voltage) caused by the current surge into the ground bus as a result of either simultaneous operation of many gates connected to the same ground bus or the operation of the gate to inductive load.