Chapter 3: Testing Performance
To test time measurement accuracy
3ā20
Real
Time Mode Procedure
This procedure continues from the previous one.
1
Change the signal generator frequency to 25.31646 MHz (39.49999 ns period).
2 Select Acquisition from the Setup menu.
3 Select Real Time Normal sampling mode. Set Sampling Rate to Manual, 1 GSa/s. Disable
Averaging and set Memory Depth to Automatic. Click Close.
See Figure 3-14.
Figure 3-14
Acquisition Setup for Real Mode Procedure
4 Set sweep speed to 50 ns/div with horizontal position at 0.0 s.
5 Move the cursor over the top of the āTime measurement at the bottom of the screen.
Press the left mouse button and select Customize from the pop-up menu.
6 Set To Edge # to 11 with Direction Rising and Threshold Middle. Click Close.
See Figure 3-15.
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