Download Measure

11. Calculate the amplifier gain with the following formulas.
Gain = Output Signal / Input signal
Gain (db) = 20×log (gain)
Fig. 58 Wave Form of Gain Measurement
Example 3: Capture the Single Signal
The digital storage oscilloscope takes the lead in providing the convenience capturing of such
non-periodic signals as pulse and burr, etc. If you intent to capture a single signal, you can not set
the trigger level and the trigger edge unless you have a particular priori knowledge of this signal.
For example, if the pulse is the logic signal of a TTL level, the trigger level should be set to 2 volts
and the trigger edge be set as the rising edge trigger. If it is uncertain as to the signal, you can make
an observation of it in advance under the automatic or ordinary mode to determine the trigger level
and the trigger edge.
The operation steps are as follows:
1.
Set the probe menu attenuation coefficient to 10X and that of the switch in the probe to 10X.
2.
Adjust the VOLTS/DIV and SEC/DIV knobs to set up a proper vertical and horizontal ranges
for the signal to be observed.
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