Agilent Technologies 1680, 1690 manual To test the time interval accuracy

Chapter 3: Testing Performance

To test the time interval accuracy

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

Function Generator

SMA Cable

Adapter

BNC Test Connector, 6x2

200 MHz 2.5 ns pulse width, < 600 ps rise time Accuracy≤ (5)(10-6)x frequency

BNC(m)-SMA(f)

8133A option 003

33250A

8120-4948

1250-2015

Set up the equipment

1Set up the logic analyzer:

a If you have not already done so, do the procedure “To set up the test equipment and the logic analyzer” on page 23.

b Exit and restart the Agilent Logic Analyzer applications to reinitialize the logic analyzer.

2Set up the pulse generator according to the following table.

Pulse Generator Setup

Timebase	Channel 1	Trigger
Mode: Ext	Mode: Square	Divide: Divide ⎟ 1
	Delay: 0.000 ns	Ampl: 0.50 V
	High: -0.90 V	Ampl: 0.50 V
	Low: -1.70 V	Offs: 0.00V
	COMP: Disabled (LED off)

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