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To test the time interval accuracy
Testing the time interval accuracy does not check a specification, but does check the
following:
• 125 MHz oscillator
This test verifies that the 125 MHz timing acquisition synchronizing oscillator is
operating within limits.
Equipment Required
Equipment Critical Specifications Recommended
Model/Part
Pulse Generator 100 MHz 3.5 ns pulse width, < 600 ps rise time Agilent 8131A Option 020
Function Generator
Accuracy ≤ (5)(10
−6
) × frequency
Agilent 3325B Option 002
SMA Cable Agilent 8120-4948
Adapter BNC(m)-SMA(f) Agilent 1250-2015
BNC Test Connector,
6x2
Set up the equipment
1 Turn on the equipment required and the logic analyzer. Let them warm up for
30 minutes if you have not already done so.
2 Set up the pulse generator according to the following table.
Pulse Generator Setup
Channel 1 Period Mode EXT TRIG
Delay: 0 ps 5 us TRIG Slope: Positive
Width: 2.5 us THRE: 1.0 V
High: −0.9 V
Low: −1.7 V
COMP: Disabled
(LED off)
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