Agilent Technologies 81134A Manuale Utente Scaricare il pdf (Pagina 27)

Agilent 81133A / 81134A Performance Verification

Agilent 81133A / 81134A Performance Verification, December 2003

6 Rise Time 20% - 80 %

On the Oscilloscope

• Select the Timebase menu and set TIME/DIV to 5 ns/div

• Select the Delta V menu and set the Preset Levels to 20% - 80%, press

Auto Level Set

• Select the Timebase menu and set TIME/DIV to 20 ps/div

• Adjust the delay until a positive edge is centered

• Select the Delta t menu and press the Precise Edge Find key

7 Check that the Rise Time 20% - 80% is < 60 ps and record the measured

valued in TR entry 6-2

8 Fall Time 20% - 80 %

On the Oscilloscope

• Select the Timebase menu and adjust the delay until a negative edge is

centered

• Select the Delta t menu and set START ON EDGE = NEG 1 and STOP

ON EDGE = NEG 1, press the Precise Edge Find key

9 Check that the Fall Time 20% - 80% is < 60 ps and record the measured

valued in TR entry 6-3

10 Fall Time 10% - 90 %

On the Oscilloscope

• Select the Timebase menu and set TIME/DIV to 5 ns/div

• Select the Delta V menu and change the Preset Levels to 10% - 90%,

press Auto Level Set

• Select the Timebase menu and set TIME/DIV to 20 ps/div

• Select the Delta t menu and press the Precise Edge Find key

11 Check that the Fall Time 10% - 90% is < 90 ps and record the measured

valued in TR entry 6-4

For the 81134A repeat the test for channel 2.

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Agilent Technologies 81134A Manuale Utente Pagina 27