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STU2071B1 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
STU2071B1
STMICROELECTRONICS
STMicroelectronics STMICROELECTRONICS
STU2071B1 Datasheet PDF : 18 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Figure 5: Repeater Block Diagram.
STU2071
To line - NT side
A-wire
B-wire
HYBRID
UIC
LTrep
DOUT
DIN
CL
FR
DIN
DOUT
CL
FR
UIC
NTrep
XTAL2
CLOUT
15.36MHz 512KHz
CLOUT
512KHz
XTAL2
XTAL1
15.36MHz
VCO
15.36MHz
PHASE
COMPARATOR
AND LOOP
FILTER(*)
HYBRID
5V 0V
DC/DC
To line - LT side
A-wire
B-wire
PLL circuit
50mH
2.2µF
50mH
(*)1st order loop filter is sufficient (3dB frequency at 100Hz approx.)
2.2µF
D94TL099
7/18
 

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