Figure 16. Deriving L(F) From A Rf Analyzer Display - Agilent Technologies e1420b User Manual

Phase noise measurement system
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Figure 16 Deriving L(f) from a RF analyzer display
L f ( )
phase modulation sidebands in the frequency domain, expressed in dB relative
to the carrier per Hz (dBc/Hz) as shown in
where noted otherwise, uses the logarithmic form of
S ∆f f ( )
Figure 17 L(f) Described Logarithmically as a Function of Offset Frequency
Agilent E5505A User's Guide
e5505a_user_derivingL_RF_display.ai
rev2 10/20/03
is usually presented logarithmically as a spectral density plot of the
2f 2 L f ( )
=
.
e5505a_user_log_offset_freq.ai
rev2 10/20/03
Phase Noise Basics
Figure
17. This chapter, except
L f ( )
as follows:
3
51

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