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LDDEVALP Datasheet(PDF) 3 Page - Wavelength Electronics, Inc.

Part # LDDEVALP
Description  Low Noise Laser Diode Drivers
PDF  28 Pages
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Manufacturer  WAVELENGTH [Wavelength Electronics, Inc.]
Direct Link  https://www.teamwavelength.com/
Logo WAVELENGTH - Wavelength Electronics, Inc.

LDDEVALP Datasheet(HTML) 3 Page - Wavelength Electronics, Inc.

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3
LDD P SERIES LASER DIODE DRIVER
QUICK CONNECT DIAGRAM FOR LDD 2P MODELS
CURRENT
FEEDBACK
CURRENT
MONITOR
MODULATION
INPUT
GND
1
2
3
4
V+
5
6
7
8
FEEDBACK
IN
LD
CATHODE
LD
ANODE
V+
- +
Voltmeter
2.500 V
Signal
Generator
Laser
Diode
V+
V+
10 kΩ
10 kΩ
10 kΩ
10 kΩ
OUTPUT ADJUST
LIMIT ADJUST
*
* Trimpots shown for proper orientation
LDD 2P
LASER DIODE DRIVER
Rail-to-rail op amp
Type A Laser Diode
Type B Laser Diode
Type C Laser Diode
Common
Cathode
Laser Diode Anode &
Photodiode Cathode Common
Isolated Photodiode
Short
Laser Diode Anode
to Photodiode Cathode
Common
Anode
Laser Diode Cathode &
Photodiode Anode Common
Figure 3. External connections for LDD 2P. Supports Type C laser diodes.
RECOMMENDED TEST LOAD
– 2P MODELS
Wavelength recommends using a test load in place of a
diode laser until the user is familiar with the operation and
control of the LDD P Series Laser Diode Driver.
For 2P models, the recommended test load is shown in
Figure 4. This load is used to simulate Type C lasers.
LD Cathode
(Pin 6)
LD Anode
(Pin 5)
Silicon Diode
(1N4001)
x2
1Ω, 0.25 W
Resistor
Figure 4. Recommended test load for the LDD 2P Laser
Diode Driver.



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