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·
;
. ' ~.-
'-
\
\
REFCLK-L __
-L __
~
__
~
__
~~
__
~
__
~
__
~
__
~~
__
~
__
~
OSCQ
,REFQ
OSCQ
REFQ
OSCILLATOR LEADING (FREQUENCY HIGHI
OSCCLK-L ____
~
__
_ L _ _ _ _
~
_ _
~
_ _
~
_ _ _ _
~
_ _
~
_ _ _ _ _ _ _ _
~
REFCLK-L __
~
__
~
__
~~~~
__
~
__
~
__
~
__
~~
__
~
__
~
fLjl
n,
rL
REF Q
osee
REFO
OSCILLATOR LAGGING (FREQUENCY LOWI
OSCCLK~
__
~
__
~
__
~~
__
~
__
-L __
~
__
~
__
~~
__
~
__
~i
__ '
REFCLK-L __
~
__
~
__
~~~~
__
_ L _ _
~
_ _
~
_ _
~~
_ _
~
_ _
~_
OSCQ
REFQ
osce
REFe
OSCILLATOR AND REFERENCE IN PHASE
Figure 4-14. Wavefonn Diagram: Phase Comparator
4-36
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