1. 10 MHz Reference Output Accuracy, HP 8590 EM-Series

10 MHz Reference Accuracy Worksheet

Description

 

Measurement

 

 

 

 

Counter Reading 1

 

 

Hz

Timebase DAC Setting

 

 

 

Counter Reading 2

 

 

Hz

Counter Reading 3

 

 

Hz

 

 

 

 

 

 

10.Calculate the frequency settability by performing the following steps:

a.Calculate the frequency di￿erence between Counter Reading 2 and Counter Reading 1.

b.Calculate the frequency di￿erence between Counter Reading 3 and Counter Reading 1.

c.Divide the frequency di￿erence with the greatest absolute value by two and record the value as TR Entry 1 of the performance veri￿cation test record. The settability should be less than 6150 Hz.

d.Press 4PRESET5 on the EMC analyzer. The timebase DAC will be reset automatically to the value recorded in step 5.

2-4 Performance Veri￿cation Tests