Appendix A: Example of a Vertical Position Accuracy Test
Spreadsheet
This appendix contains a filled-in example o f the vertical position accuracy (VPA)
test spreadsheet that is used. (See page 36, Check Vertical Position Accuracy.)
The PDF version of this service manual (Tektronix part number 077-0446-02)
includes an empty VPA test spreadsheet for your convenience. To access and
save the test spreadsheet:
1. Go to the Tektronix manuals Web site, www.tektronix.com/manuals.
2. Enter 077044602 in the Search Manuals fi eld and click Go.
3. Click Download for the TDS2000C and TDS1000C-EDU Series Digital
Storage O scilloscopes Service Manual (Tektronix part number 077044602)
and f ollow the instructions to download the file to your PC.
4. Open the PDF file in Adobe Reader (version 7 or later).
5. Click the Attachments tab or click View > Navigation Panels >
Attachments to display the Attachments panel.
6. Double-click the VPA Test Table.xls file.
7. Click OK in the Launch Attachment dialog box. The test spreadsheet
opens in your spreadsheet application and shows the Blank Test Record
spreadsheet tab.
8. Click File > Save As to save the file to a name and location that you enter.
You can now use the spreadsheet to enter values for the vertical position
accuracy test.
Sample Filled-In Vertical Position Accuracy Test Spreadsheet
Table 32: Vertical position accuracy test spreadsheet
AB C DEFGHI
1 Approximate
Test
Voltage
DVM
Measured
Voltage
Oscilloscope
Measured
Voltage
Error Lower
Limit
Upper
Limit
Margin
2 2 .00 0.000
‡‡‡
Volts/div
0.05
3 1 .96 0.000
‡‡‡
4 1 .92 0.000
‡‡‡
Offset
as a
fractional
division
0.1
5
1.88 0.000
‡‡‡
Offset in
volts
0.005
TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual 99
To Next Page
Loading...
Need help?
General
