Stable Rf Oscillator - HP 3048A Operating Manual

Stable RF Oscillator This measurement example will help you measure the phase
noise of a stable RF oscillator with frequency drift of
< 20 ppm over a period of thirty minutes.
Required Equipment
The following equipment is required for this example in
addition to the standard HP 3048A system and your
device-under-test (DUT).
Note To ensure accurate measurements, you should allow the
DUT and measurement equipment to warm up at least thirty
minutes before making the noise measurement.
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Refer to Selecting a Reference in the
Problem Solving section of this
chapter for information about
reference source requirements.
And adequate adapters to connect
DUT and reference source to
HP 11848A.
Signal Source Applications 3-15