MB15F73ULPVA View Datasheet(PDF) - Fujitsu
Part Name
Description
MFG CO.
MB15F73ULPVA Datasheet PDF : 27 Pages
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MB15F73UL
• Prescaler Data Setting
Divide ratio
Prescaler divide ratio IF-PLL
Prescaler divide ratio RF-PLL
SW = “H”
8/9
64/65
SW = “L”
16/17
128/129
• Charge Pump Current Setting
Current value
CS
±6.0 mA
1
±1.5 mA
0
• LD/fout output Selectable Bit Setting
LD/fout pin state
LDS
T1
T2
0
0
0
LD output
0
1
0
0
1
1
frIF
1
0
0
fout
frRF
1
1
0
output
fpIF
1
0
1
fpRF
1
1
1
• Phase Comparator Phase Switching Data Setting
Phase comparator input
FCIF, RF = “H”
DoIF, RF
FCIF, RF = “L”
DoIF, RF
fr > fp
H
L
fr < fp
L
H
fr = fp
Z
Z
Z : High-impedance
Depending upon the VCO and LPF polarity, FC bit should be set.
High
(1) VCO polarity FC = “H”
(2) VCO polarity FC = “L”
VCO Output
Frequency
Note : Give attention to the polarity for using active type LPF.
10
LPF Output voltage
(1)
(2)
Max.
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