Tektronix MSO70000 Series Technical Reference page 253

MSO70000/C, DSA70000B/C, DPO7000B/C, DPO7000, MSO5000, DPO5000 Series
5. Reset the Statistics as follows:
a. Select Statistics.
b. Click Reset.
c. Click OK.
6. Read and make a note of the RMS Mean value. This is the Sampled Mean
Value (SMV).
7. Set the Acquisition mode to Average as follows:
a. Push the front-panel Acquire button.
b. In the Acquisition window, select the Acquisition tab at the left.
c. Click to select Average Acquisition mode.
d. Ensure that the number of averages is set to 16.
8. Reset statistics as follows:
a. Push the front-panel Wave Inspector Measure button.
b. In the Measurement Setup window, select Statistics.
c. Click Reset.
9. Read and make a note of the RMS Mean value. This is the Averaged Mean
Value (AMV).
10. Calculate the RMS noise (RMS noise = SMV – AMV), and enter the
calculated RMS noise in the test record.
11. Set the Acquisition mode to Sample as follows:
a. Push the front-panel Acquire button.
b. In the Acquisition window, select the Acquisition tab at the left.
c. Select the Sample Acquisition mode.
12. Repeat the tests at 50 Ω as follows:
a. Push the front-panel oscilloscope Vertical Menu button.
b. Set the Termination to 50 Ω.
c. Repeat steps 5 through 11.
Performance Tests (MSO/DPO5000 Series)
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