SA8025ADK 查看數據表（PDF） - Philips Electronics
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SA8025ADK Datasheet PDF : 23 Pages
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Philips Semiconductors
1.8GHz low-voltage Fractional-N synthesizer
Product specification
SA8025A
LAST IN
WORD
MSB
D31
A1 0 NF
D23
A0 0 NF
NM1
NM1
B 1 0 00
NM4
CN
NM2
NM3
NM2
LSB
D0
FIRST IN
CN
D0
NM2
NM3
NM2
PR = “01”
PR ≠ “01”
CK
CL PR
1996 Oct 15
C 1 0 01
NA
P
A
0
D 1 0 10
NR
FL
SM
E
M
SA
E MO
A ON
DG
TT
E 1 1 11 0 00
0
10
D23
D0
ADDRESS BITS
TEST BITS
Figure 6. Serial Input Word Format
REFERENCE
INPUT
DIVIDE BY NR
MAIN SELECT
SM = “00”
SM = “01”
SM = “10”
SM = “11”
MAIN
PHASE
DETECTOR
÷2
÷2 ÷2
AUXILIARY SELECT
SA = “11”
SA = “10”
SA = “01”
AUXILIARY
PHASE
DETECTOR
SA = “00”
Figure 7. Reference Divider
11
SR00628
SR00629
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