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IC DESCRIPTION-1/1 (LC78646)-3/3
QQ
3 7 63 1515 0
Pin No.
Pin Name
73, 74
PD01, 2
75
VVSS
76
PCKIST
77
VVDD
78
FR
79
LDS
80
LDD
TE
L 13942296513
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.
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I/O
O
Phase comparison output pin 1, 2 to control built-in VCO.
—
Built -in VCO GND pin. Must always be connected to 0V.
I
PLL
Resistor connection pin to set current for PD01 and 02 outputs.
—
Built-in VCO power supply pin.
I
Resistor connection pin to set the frequency range of built-in VCO.
I
Laser power detection signal input pin.
O
Laser power control signal output pin.
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y
i
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
-19-
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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