Performance Tests
4-16
Table 4-2: DC Gain and Delta Volts
Accuracy
Volts/Div
Input
Displayed
Delta Volts
Scale
Amplitude
Signal
Accuracy
Readout Accuracy
2mV
10 mV 4.87 to 5.13 div
9.80 mV to 10.2
mV
5mV
20mV
3.9 to
4.1
div
19.6
mV
to
20.4
mV
10
mV
50mV
4.87 to 5.13 div
49.0 mV to 51.0
mV
20
mV
0.1
V
4.87 to 5.13 div 98.0 mV to 102
mV
50mV
0.2 V
3.9 to
4.1
div 196 mV to 204
mV
100
mV
0.5 V
4.87 to 5.13 div
490
mV
to 510
mV
1 V
5V
4.87 to 5.13 div 4.90 V to 5.10 V
13.
Return the volts/div scale to 2
mV
and set the pulse generator for 10
mV
amplitude output.
14. Press the
VERTICAL MENU button and set VAR to On.
15. Check that rotating the General Purpose Knob counterclockwise
re-
duces the displayed signal amplitude to two divisions or less. Set VAR
to Off.
16. Disconnect the test setup from the
oscilloscope.
17. Repeat this procedure until you have verified all input channels.
18. Press the CURSOR button and set AVoit to Off.
Check Trigger Level Accuracy
Equipment
Required: One
DC
calibration generator (item 11) and one
precision
coaxial cable (item 5).
1.
Display channel
1,
turning
all
others off.
2.
Press the AUTOSET button.
3.
Set the sec/div scale to 500 Ils.
4.
Press the TRIGGER MENU button and make the following selections:
•
Set CPLG to DC
• Set SLOPE to Rising
5.
Press the VERTICAL MENU button and make the following selections:
•
Set CPLG to DC
• Set BW to 20
MHz
6.
Set the volts/div scale to 50
mY.
•
•
7.
Position the trace three divisions below the center horizontal graticule •
line.
Performance Verification
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