Specifications
Frequency Reference Accuracy Performance Test
Agilent Technologies
PSA Series Spectrum Analyzers
Test and Adjustment Software
Frequency Reference Accuracy
Performance Test
This test determines that the frequency reference is functional, provides a measured
frequency value, suggests that an adjustment be made if the yearly allowable frequency
offset value is exceeded.
The instrument is set to Internal Reference mode and is allowed a sufficient warm-up time
of 24 hours while powered on (not in Standby mode). The frequency of the 10 MHz
Reference is measured at its rear-panel port using a counter locked to a frequency
standard. The measured value is compared to the allowable offset guideline, and is also
printed on the Performance Test printout.
Placing the analyzer in Standby mode turns the frequency reference oscillator off, while
continuing to provide power to the oven. While keeping the oscillator warm will reduce its
stabilization time, it will not cause aging.
Required Test Equipment
Test Equipment Model Number
E4440A
E4443A, E4445A
E4446A
E4448A
Universal Counter 53132A X X
http://mktwww.soco.agilent.com/field/lp/PSA/PSAcalSWwebhelp/Performance/reffreq.htm (1 of 2) [5/29/2003 8:46:57 AM]