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1

EU-39

v 1.0 6.10.2014

Description

EU-39 is a small and inexpensive driver board for continues wave (CW) operation. It is suitable for laser

diodes with external PD input. The output current can be easily adjusted by a potentiometer up to 300

mA. The laser diode output power is independent from the supply voltage.

Characteristics

PIN Configuration

Parameter

Symbol

Values

Min.

Typ.

Max.

Unit

Supply Voltage

2.3

3.2

V

Laser Diode Current, adjustable

0

300

mA

Dimension (H x W x D)

9 x 16 x 4

mm

Weight

0.47

g

Operating Temperature

0

50

°C

Storage Temperature

-20

70

°C

EU-39

with external PD support

TOP

BOTTOM

PIN

Function

Supply Voltage +

GND

Ground

LD+

Laser Diode Anode

LD-

Laser Diode Cathode

PD+

Photo Diode Anode

PD-

Photo Diode Cathode

PD-

PD+

LD+

GND

LD-