Velleman PCGU1000 - Manual (Page 9)

9
The Spectrum Analyser Module :
What ? : Powerful feature
which allows visualization of
the frequency spectrum of a
signal, using FFT (Fast
Fourrier Transform) analysis.
How ? :
• Connect the scope input to the circuit under test. (observe the max. input
rating of the scope!)
• First observe the signal on the scope screen (see previous page).
• Check that the signal is not over the maximum of the screen.
• Start the spectrum analyzer.
• Press ‘RUN’ ( 1 )
•
Select the appropriate frequency range. Make sure your setting will capture
any signal change of interest (
3 ).
• If wanted set the appropriate channel and volts/div setting ( 2 )
The Spectrum analyser
1
2
3