Setup Considerations For Stable Rf Oscillator Measurement; Figure 88. Selecting Loop Suppression Verification - Agilent Technologies e1420b User Manual

Phase noise measurement system
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6
Absolute Measurement Examples
Figure 88 Selecting loop suppression verification
3

Setup considerations for stable RF oscillator measurement

Measurement noise floor
The signal amplitude at the test set's R input (Signal Input) port sets the
measurement noise floor level. Use
page 135 to determine the amplitude required to provide a noise floor level
that is below the expected noise floor of your DUT. (The Checking the Beatnote
procedure in this section will provide you with an opportunity to estimate the
measurement noise floor that your DUT will provide.)
134
e5505a_user_select_loop
24 Jun 04 rev 3
When you have completed these operations, click the Close button
Figure 89
on page 135 and
Agilent E5505A User's Guide
.
Figure 90
on

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