Interpreting Display Messages; Selecting A Reference - HP 3048A Operating Manual

Phase noise measurement system
Table of Contents

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If you need to know:
Refer to:
• How to interpret a display message
Interpreting Display
Messages (pg. 3-120)
• What to consider when selecting a reference source
Selecting a
Reference (pg. 3-143)
• How to determine the tuning sensitivity of your VCO
source
Estimating the
Tuning Constant
(pg. 3-147)
• What the drift tracking capabilities of the
system are
Tracking
Frequency Drift
(pg. 3-149)
• How to increase or decrease the Peak Tuning Range
(PTR) for your VCO source
Changing the PTR
(pg. 3-151)
• How to Minimize Injection Locking
Minimizing
Injection
Locking (pg. 3-154)
• What to consider when inserting an attenuator or
an amplifier between the source output and the
HP 11848A
Inserting a
Device (pg. 3-156)
• How to determine whether noise near the small angle
line exceeds the limits of the system
Evaluating Noise
Above the Small
Angle Line (pg. 3-159)
rev.09AUG89
Signal Source Applications
3-119

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