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■ BLOCK DIAGRAM
V
CC
Oscillator
OSC
input
IN
buffer
Data
DIV
setting
circuit
Prescaler
fin
16 / 17(P)
GND
Reference divider
Reference
counter
(R)
Comparison divider
Swallow
Main
counter
counter
(A)
(N)
Control circuit
fr
charge
Phase
pump
comparator
fp
detector
Output
selector
MB15C101
Do
LD
Lock
fout
3
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