Texas Instruments LMX2485E-EVM, Руководство пользователя

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-180.0
-160.0
-140.0
-120.0
-100.0
-80.0
100.0 1000.0 10000.0 100000.0 1000000.0 10000000.0
P
h
a
s
e
N
o
is
e
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d
B
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/H
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Offset (Hz)
70.1 MHz, CP gain = 16x, FM =2, Dithering Disabled
70.1 MHz, CP gain = 16x, FM = 3, Dithering Disabled
70.1 MHz, CP gain = 16x, FM = 4, Dithering Disabled
Typical Phase Noise Performance Plots
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14 SNAU114D – March 2006 – Revised June 2016
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Using the LMX2485E & LMX2487E Evaluation Board
Figure 13. LMX2485E Impact of Fractional Modulator Order