Agilent Technologies 46A, 45A, 54835A manual Real-Time Mode Procedure

Chapter 3: Testing Performance

To test time measurement accuracy

Real-Time Mode Procedure

This procedure continues from the previous one.

1Change the signal generator frequency to 25.31646 MHz (39.49999 ns period).

2 Select Acquisition from the Setup menu.

3Select Real Time sampling mode. Set Configuration to 8 GSa/s (Agilent 54845A) or

4 GSa/s (Agilent 54835A). Set Sampling Rate to Manual, 8 GSa/s (Agilent 54845A) or 4 GSa/s (Agilent 54835A). Enable Averaging with the number of points set to 16. Set Memory Depth to Automatic. Click Close.

See figure 3-14.

Figure 3-14

Acquisition Setup for Real Mode Procedure (showing Agilent 54845A)

4Set sweep speed to 50 ns/div with horizontal position at 0.0 s.

5Select Measurement Definitions from the Customize submenu of the Measure menu. (If you have code Revision A.03.00 or higher, select Delta Time from the Measurements Definitions submenu of the Measure menu.)

6Set To Edge # to 11 with Direction Rising and Threshold Middle. Click Close.

See figure 3-15.

Figure 3-15

Measurement Definitions for Real Mode Procedure

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