5
3.2
Square Wave Adjustment
a.
Referring to Fig. 8, connect output BNC to the oscilloscope has good grounding.
b.
Connect the red input line to a 20 Vp-p, 10 kHz square wave signal source and the black input
line to ground.
c.
Put SW1 at 1/100.
d.
Set the VOLTS/DIV switch on oscilloscope’s panel to 0.1V for 1/100 and the TIME/DIV
switch to 20 us.
e.
Adjust VC1 to make the displayed waveform become as Fig. 9(b).
f.
Connect the black input line to 20 Vp-p, 10 kHz square wave signal source and the red input
line to ground.
g.
Adjust VC2 to make the displayed waveform become as Fig. 9(b).
Fig. 8
Fig. 9