To Test The Time Interval Accuracy (Logic Analyzer); Set Up The Equipment - HP 1660E Series Service Manual

To test the time interval accuracy (logic analyzer)
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
Pulse Generator 100 MHz 3.5 ns pulse width, < 600 ps rise time
Function Generator Accuracy,; (51110-') x frequency
SMA Cable
Adapter BNClm)-SMAlfl
BNC Test Connector,
6x2
Set up the equipment
Recommended
ModellPart
HP 8133A option 003
HP 3325B Option 002
HP 8120-4948
HP 1250-2015
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
Timebase
Mode: Ext
Period: 25.000 ns
3-60
Channell
Mode: Square
Delay: 0.000 ns
High: -0.90 V
Low: -1.70 V
COMP: Disabled
ILED offl
Trigger
Divide: Divide.,. 1
Ampl: 0.50 V
Offs: 0.00 V