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Totem MiniLab
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Fig. 10 Example usage of Digital input
Frequency meter
This module allows to measure digital signal frequency in 0..1 MHz range. This is a
special mode, which temporarily disables all other modules while this one is active.
To enter into frequency measurement mode, hold the
SET-
button until the display clears
up and shows “H2”.
Frequency meter uses
DIG1
as its input. Only signals in the amplitude from 3.3 V to 5 V
can be measured.
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