-18-
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION-1/1 (LC78646)-3/3
73, 74
75
76
77
78
79
80
PD01, 2
VVSS
PCKIST
VVDD
FR
LDS
LDD
O
—
I
—
I
I
O
Phase comparison output pin 1, 2 to control built-in VCO.
Built -in VCO GND pin. Must always be connected to 0V.
PLL
Resistor connection pin to set current for PD01 and 02 outputs.
Built-in VCO power supply pin.
Resistor connection pin to set the frequency range of built-in VCO.
Laser power detection signal input pin.
Laser power control signal output pin.
Summary of Contents for ZD5GNDM
Page 9: ... 9 TRANSISTOR ILLUSTRATION 1 1 2SA1235F B E C E C B 2SC5343Y 2SA1980G ...
Page 10: ... 10 BLOCK DIAGRAM 1 1 ...
Page 12: ... 12 SCHEMATIC DIAGRAM 1 1 3 ...
Page 15: ... 15 IC BLOCK DIAGRAM 1 1 IC LA6568 ...
Page 23: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111 0251431 ...