Modular Laser
Diode Controller
LDC
3900
Modular Laser
Diode Controller
LDC
3900
The LDC-3900 Modular Laser Diode Controller features
four channels with eight isolated outputs for controlling
multiple laser diodes. Modules include current sources with
maximum outputs from 200mA to 8A, TE (thermoelectric)
controller modules with up to 32W of power and voltage
measurement, and controller modules with laser control
from 200mA to 2A and integrated 12W TE control.
An independent power supply powers each channel,
providing protection and stability for your laser diode. Every
module incorporates low noise, high stability performance,
and ILX Lightwave’s unmatched laser diode protection
topologies including independent current limits and laser
diode shorting relays.
Remote communication through an IEEE/GPIB interface
simplifi es testing and control of multiple devices. LabVIEW
®
drivers are also available for any combination of mainframe
and module.
Product Features
Flexible, Comprehensive Control
of Laser Diodes
4 Independent Channels with 8
isolated outputs
Laser current source modules
from 200mA to 8A
LD controller modules from
200mA to 2A with integrated 12W
TEC
32W TEC only modules with
voltage measurement
TEC modules accept thermistor,
IC and RTD temperature sensors
Standard GPIB IEEE interface
Specifi cations
www.ilxlightwave.com
REV02.092006
P.O. Box 6310, Bozeman, MT 59771
•
FAX: 406-586-9405
1-800-459-9459
For information call
International Inquiries: 406-5856-2481
TEC Modules
1
39032/39034
15
TEMPERATURE CONTROL
Temperature Control Range:
2
–99.9°C to 199.9°C
Thermistor Setpoint
Resolution and Accuracy:
3
Resolution Accuracy
–20°C to 20°C 0.1°C ±0.2°C
20°C to 50°C 0.2°C ±0.2°C
AD590 and LM335 Setpoint
Resolution and Accuracy:
4
Resolution Accuracy
–20°C to 50°C 0.01°C ±0.1°C
Short Term Stability (one-hour.):
5
<±0.004°C
Long Term Stability (24-hours):
6
<±0.01°C
TEC OUTPUT
7
Output Type: Bipolar current source
Isolation: Isolated from other modules and earth
ground
Compliance Voltage: >8V
Short Circuit Output Current: 4A
Maximum Output Power: 32W
Current Limit
Range: 0–4A
Set Accuracy: ±50mA
Ripple/ Noise:
8
<1mA, rms
Control Algorithm: Smart Integrator, Hybrid PI
TEMPERATURE SENSOR
Types
Thermistor: NTC (2-wire)
IC Temperature Sensor: AD590/ LM335
RTD Sensor:
9
Pt100/other 100Ω RTD
Thermistor Sensing Current: 10/100µA
Sensor Bias: AD590 = 8V, LM335 = 1mA,
RTD = 0.8 mA
9
Usable Thermistor Range: 25–450,000Ω , typical
Typical Sensor Output
10
AD590 Current Output: I (25°C) = 298.2µA, It = 1µA/K
LM335 Voltage Output: V (25°C) = 2.73V, Vt = 10mV/K
RTD (PT100) Resistance: R (25°C) = 109.73Ω
User Calibration: Thermistor = Steinhart-Hart
IC Sensors, RTD = Two-point
TEC OUTPUT CONNECTORS
Temperature Controller Output: 15-pin, D-sub
TEC MEASUREMENT (DISPLAY)
11
Temperature: Range
12
Resolution Accuracy
10µA Setting:
13
–99.99°C to 199.99°C 0.01°C ±0.1°C
100µA Setting:
14
–99.99°C to 199.99°C 0.01°C ±0.05°C
Thermistor Resistance:
10µA Setting: 0.0–480.00kΩ 0.01kΩ ±0.05%
100µA Setting: 0.0–48.000kΩ 0.001kΩ ±0.05%
TE Current: –4.000 to 4.000A 0.001A ±0.04A
TE VOLTAGE
15
Voltage Range: –9.999 to 9.999V
Voltage Resolution: 1mV
Voltage Accuracy: ±30mV
16
TEC MODULE NOTES:
1 All values relate to a one-hour warm-up period.
2 Software limits of range. Actual range possible depends on the physical load, thermis
tor type, and TE module used.
3 Accuracy fi gures are quoted for a typical 10kΩ thermistor and 100µA current setting.
Accuracy fi gures are relative to the calibration standard. Both resolution and accuracy
are dependent upon the user-defi ned confi guration of the instrument.
4 Accuracy depends upon the the sensor model selected, the calibration standard,
and the user-defi ned confi guration of the instrument.
5 Over any one-hour period, half-scale output, controlling an LDM-4412 mount at 25°C,
with 10kΩ thermistor on 100µA setting.
6 Over any 24-hour period, half-scale output, controlling an LDM-4412 mount at 25°C,
with 10kΩ thermistor on 100µA setting.
7 Into a 1Ω load.
8 Measured at 1A output over a bandwidth of 10Hz to 10MHz.
9 To use RTD sensor, model 39032 must be ordered with TSC595 Sensor Option.
To use RTD sensors with model 39034, order TSC-599 Temperature Sensor Converter
accessory.
10 Nominal temperature coeffi cients, It and Vt, apply over the rated IC temperature
sensor range.
11 Displayed on LDC-3900 mainframe front panel “TEC” section.
12 Software limits of display range.
13 Using a 100kΩ thermistor, controlling an LDM-4412 mount over –30°C to 25°C.
14 Using a 10kΩ thermistor, controlling an LDM-4412 mount over 0°C to 90°C.
15 Model 39034 has TEC Voltage measurement through GPIB only. Not available on
Model 39032.
16 Voltage measurement accuracy while driving calibration load. Accuracy is dependent
upon load used.
MAINFRAME/GENERAL
Chassis Ground: 4mm Banana jack
Power Requirements,
50–60Hz: 100VAC, 120VAC, 220VAC,
(user selectable) 240VAC, (+6%/-10%)
Size (HxWxD): 145mm x 426mm x 346mm
(5 5/8" x 16 3/4" x 13 5/8")
Weight
Mainframe: 12.5kg (27.5lbs)
Module (each, typical): 1.0 kg (2.3lbs)
Operating Temperature: 0°C to 50°C
Storage Temperature: –40 to 70°C
Humidity: <90%, noncondensing
Laser Safety Features: Keyswitch, Interlock, Output Delay
(Meets CDRH US21 CFR 1040.10)
Laser Display: 5-digit, Green LED
TEC Display: 5-digit, Green LED
ORDERING INFORMATION NOTES
** Includes ILX model LTS-520 calibrated 10kΩ thermistor.
In keeping with our commitment to continuing improvement, ILX Lightwave reserves the right to change
specifi cations at any time without notice and with out liability for such changes.
ORDERING INFORMATION
LDC-3900 Modular Laser Diode Controller Mainframe
CSM-39020 200mA Current Source Module
CSM-39050 500mA Current Source Module
CSM-39100 1A Current Source Module
CSM-39400 4A Current Source Module
CMS-39800 8A Current Source Module (Module take two slots in LDC-3900)
TCM-39032** 32W TEC Module
TCM-39034** 32W TEC Module with Voltage Measurement
LCM-39420 Current/TEC Combination Module (200mA Drive Current/8W TEC)
LCM-39425 Current/TEC Combination Module (500mA Drive Current/12W TEC)
LCM-39427 Current/TEC Combination Module (500mA Drive Current/12W TEC)
with Modulation
LCM-39437 Current/TEC Combination Module (1A Drive Current/12 W TEC) with
Modulation
LCM-39440 Current/TEC Combination Module (2A Drive Current/8W TEC)
CC-305S Current Source/Laser Diode Mount Interconnect Cable
CC-306S Current Source/Unterminated Interconnect Cable
CC-501S TE Controller/Unterminated Interconnect Cable
CC-505S TE Controller/Laser Diode Mount Interconnect Cable
TS-510 Calibrated 10kΩ Thermistor
TS-520 Uncalibrated 10kΩ Thermistor
TS-530 Uncalibrated AD590LH IC Temperature Sensor
TS-540 Uncalibrated LM335AH IC Temperature Sensor
TSC-595 RTD Temperature Sensor Control Option (for 39032 Module)
RM-103 Rack Mounting Kit
UCA-350 Unipolar Heater Control Adapter
LNF-320 Low Noise Filter
LabVIEW
®
Instrument Driver
(4 pages)
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