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UMA1005T Просмотр технического описания (PDF) - Philips Electronics
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Компоненты Описание
производитель
UMA1005T
Dual low-power frequency synthesizer
Philips Electronics
UMA1005T Datasheet PDF : 24 Pages
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Philips Semiconductors
Dual low-power frequency synthesizer
BLOCK DIAGRAM
Preliminary specification
UMA1005T
/1 page = 296 mm (Datashe
4
et)
DATA
5
CLOCK
6
STROBE
SERIAL INPUT + PROGRAM LATCHES
27 mm
INM1
INM2
INR
INA
EM
2
3
PR NM1
2 12
NM2
NM3
8
NM4
4
MAIN DIVIDERS
FMOD
NF
3
FRACTIONAL
ACCUMULATOR
FRD
CN
EM
2
8
MAIN
PHASE
DETECTOR
UMA1005T
CL
SM
2
2
MAIN
REFERENCE
NR
SELECT
EM + EA
12
CK
7
REFERENCE DIVIDER
22 2
4
SA
2
AUXILIARY
REFERENCE
SELECT
18
PRESCALER
FEEDBACK
19
16
15
NORMAL
OUTPUT
CHARGE
PUMP
13
SPEED-UP
OUTPUT
CHARGE
PUMP
INTEGRAL
OUTPUT
11
CHARGE
PUMP
9
EA
8
PA NA
12
EA
AUXILIARY
PHASE
DETECTOR
41
AUXILIARY DIVIDER
2
AUXILIARY
OUTPUT
10
CHARGE
PUMP
17
FB1
FB2
RF
RN
PHP
PHI
RA
PHA
LOCK
1
14
20
12
MEA668 - 1
VDDD VDDA VSS
V
SSA
November 1994
Fig.1 Block diagram.
3
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