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LDDEVALP Datasheet(PDF) 2 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) 2 Page - Wavelength Electronics, Inc.

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www.teamWavelength.com
2
LDD P SERIES LASER DIODE DRIVER
QUICK CONNECT GUIDE
!
To ensure safe operation of the LDD P
driver, it is imperative that you determine
that the unit will be operating within the
internal heat dissipation Safe Operating Area
(SOA).
QUICK CONNECT DIAGRAM FOR LDD 1P MODELS
CURRENT
FEEDBACK
CURRENT
MONITOR
MODULATION
INPUT
GND
1
2
3
4
V+
5
6
7
8
FEEDBACK
IN
LD
ANODE
OUTPUT ADJUST
LIMIT ADJUST
LD
CATHODE
V+
- +
Voltmeter
2.500 V
Signal
Generator
Laser
Diode
*
* Trimpots shown for proper orientation
LDD 1P
LASER DIODE DRIVER
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 1. External connections for LDD 1P. Supports Type A and Type B laser diodes.
Visit the Wavelength Electronics website for the most
accurate, up-to-date, and easy to use SOA calculator:
www.teamwavelength.com/support/design-tools/soa-ld-calculator/
RECOMMENDED TEST LOAD
– 1P 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 1P models, the recommended test load is shown in
Figure 2. This load is used to simulate Type A and Type B
lasers.
LD Anode
(Pin 6)
LD Cathode
(Pin 5)
Silicon Diode
(1N4001)
x2
1Ω, 0.25 W
Resistor
Figure 2. Recommended test load for the LDD 1P Laser
Diode Driver.



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