Electrical Sampling Modules
Test
4–58
e. In the Meas Setup dialog box:
H make sure the channel under test is selected in the Source menu.
H select Meas 1, and then choose Select Meas > Amplitude > Mean.
f.
In the Vert Setup dialog box:
H set Scale to 100 mV/division.
H set Offset to –1100 mV.
Table 4–2: DC Voltage measurement accuracy
DC power supply settings
–1550 mV
–1350 mV
–1100 mV
–850 mV
–650 mV
–450 mV
–250 mV
0 mV
+250 mV
+450 mV
+650 mV
+850 mV
+1100 mV
+1350 mV
+1550 mV
Follow this procedure to make the Vertical DC accuracy checks:
1. Select the DC supply voltage to the settings listed in Table 4–2, page 4–58.
2. Press the CLEAR DATA button on the front panel.
3. Press the RUN/STOP button on the front panel.
4. Record input voltage reading on the digital multimeter.
5. Record the voltage for the Mean measurement displayed on the
CSA8000/TDS8000 screen.
CSA8000 & TDS8000 Instruments and Sampling Modules
Offset settings
–1100 mV
–1100 mV
–1100 mV
–1100 mV
–1100 mV
0 mV
0 mV
0 mV
0 mV
0 mV
+1100 mV
+1100 mV
+1100 mV
+1100 mV
+1100 mV
Accuracy limits
18.7 mV
14.7 mV
9.7 mV
14.7 mV
18.7 mV
11 mV
7 mV
2 mV
7 mV
11 mV
18.7 mV
14.7 mV
9.7 mV
14.7 mV
18.7 mV
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