Atec ILX-Lightwave-LDC-3916 - Manual (Page 3)

levels available today. Modules also include
reverse photodiode bias capabilities, especially
important for telecom wavelength devices.
High-Stability TEC Control Keeps
Your Device Temperature in Check
Equipped with a smart integrator control loop
and an expanded gain setting range, the tem-
perature control circuits optimize settling times.
These modules also provide voltage measure-
ment of your TEC, and allow internal selection
of thermistor current ranges via front-panel or
via GPIB. Achieve unparalleled temperature
stabilities with ultra-stable design topology and
low-noise bipolar output stages.
Flexible Control Over a
Wide Range of Applications
By combining true modularity with high chan-
nel density, the LDC-3916 easily grows with your
applications. When coupled with our 16-channel
mounting tray, this controller also serves as a
cost effective DWDM optical source set. Simply
mount your choice of WDM DFB laser
diodes in the mounting tray, connect to the
High channel-density laser diode
control for production test.
controller, and you’ll have full control over
16 WDM signal sources. If your specified test
wavelengths change, simply drop in new DFB
laser diodes. For even higher channel counts,
add another controller and mounting tray to your
rack. If your device drive specifications change,
look to ILX Lightwave for new modules that can
be easily added to your system in the future.
Protect Your Investment with the
Leader in Laser Diode Protection
The LDC-3916 16-Channel Controller
provides all of ILX Lightwave’s proven laser
protection features like independent current
limits, slow-start turn-on circuits, and isolated
power supplies.* The adjustable compliance
voltage capability brings even greater levels
of protection to your devices. Designed
for time-critical production test needs, the
LDC-3916 will satisfy your test requirements
with fast, reliable and secure laser diode control.
* Semiconductor lasers are sensitive devices. Always
take appropriate antistatic precautions and use extreme
care when handling laser diodes. For more information,
request ILX Application Note #3, “Protecting Your Laser
Diode.”
Controller Modules
(Laser and TE Control)continued
3916372 3916374 3916376
TEMPERATURE CONTROL 1 500 mA/9 W 1 A/9 W 1.5 A/9 W
OUTPUT
Temperature Control Range: 2 –99°C to 150°C –99°C to 150°C –99°C to 150°C
Thermistor Setpoint
Resolution and Accuracy: Resolution Accuracy 3 Resolution Accuracy 3 Resolution Accuracy 3
–20°C to 20°C 0.1°C ±0.2°C 0.1°C ±0.2°C 0.1°C ±0.2°C
20°C–50°C 0.2°C ±0.2°C 0.2°C ±0.2°C 0.2°C ±0.2°C
Short-Term Stability (1 hr.): 4 <±0.007°C <±0.007°C <±0.007°C
Long-Term Stability (24 hrs.): 5 <±0.01°C <±0.01°C <±0.01°C
Output Type: Bipolar current source Bipolar current source Bipolar current source
Compliance Voltage: >7 V DC >7 V DC >7 V DC
Short Circuit Output Current: 1.5 A 1.5 A 1.5 A
Maximum Output Power: 9 W 9 W 9 W
Current Noise and Ripple: 6 <1 mA rms <1 mA rms <1 mA rms
Current Limit Range: 0–1.5 A 0–1.5 A 0–1.5 A
Current Limit Set Accuracy: ±0.05 A ±0.05 A ±0.05 A
Control Algorithm: Smart Integrator, Smart Integrator, Smart Integrator,
Hybrid PI Hybrid PI Hybrid PI
Gain adjustable Gain adjustable Gain adjustable
from 1–127 from 1–127 from 1–127
TEMPERATURE SENSOR
Types: Thermistor (2-wire NTC) Thermistor (2-wire NTC) Thermistor (2-wire NTC)
Thermistor Sensing Current: 7 10/100 µA 10/100 µA 10/100 µA
Usable Thermistor Range: 25–450,000 Ω, typical 25–450,000 Ω, typical 25–450,000 Ω, typical
User Calibration: Steinhart-Hart, 3 constants Steinhart-Hart, 3 constants Steinhart-Hart, 3 constants
TEC MEASUREMENT (DISPLAY)
Temperature:
Range: 8 –99.9°C to 199.9°C –99.9°C to 199.9°C –99.9°C to 199.9°C
Accuracy: ±0.5°C ±0.5°C ±0.5°C
Thermistor Resistance
10 µA Setting
Range: 0.01–450.00 kΩ 0.01–450.00 kΩ 0.01–450.00 kΩ
Accuracy: 9 ±0.05 kΩ ±0.05 kΩ ±0.05 kΩ
100 µASetting
Range: 0.001–45.000 kΩ 0.001–45.000 kΩ 0.001–45.000 kΩ
Accuracy: 10 ±0.005 kΩ ±0.005 kΩ ±0.005 kΩ
TEC Current
Range: –1.50 to 1.50 A –1.50 to 1.50 A –1.50 to 1.50 A
Accuracy: ±0.04 A ±0.04 A ±0.04 A
Current Resolution: ±0.01 A ±0.01 A ±0.01 A
Voltage
Range: –9.999 to 9.999 V –9.999 to 9.999 V –9.999 to 9.999 V
Resolution: 100 mV (1 mV in GPIB) 100 mV (1 mV in GPIB) 100 mV (1 mV in GPIB)
Accuracy: 11 ±70 mV (±20 mV in GPIB) ±70 mV (±20 mV in GPIB) ±70 mV (±20 mV in GPIB)
TEMPERATURE CONTROL 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, thermistor type, and TEC module used.
3 Accuracy figures are quoted for a typical 10 kΩ thermistor and 100 µA
current setting for –5°C to 50°C, and typical 10 kΩ thermistor and 10 µA
current setting for –20°C to –5°C. Accuracy figures are relative to the
calibration standard. Both resolution and accuracy are dependent upon the
user-defined configuration of the instrument.
4 Over any one-hour period, half-scale output, controlling an LDM-4412 mount
@ 25°C, with 10 kΩ thermistor, on 100 µA setting.
5 Over any 24-hour period, half-scale output, controlling an LDM-4412 Mount
@ 25°C, with 10 kΩ thermistor, on 100 µA setting.
6 Measured at 1 A output over a bandwidth of 10 Hz to 10 MHz.
7 Thermistor current range software selectable by front panel or GPIB.
8 Software limits of display range.
9 Using a 10 kΩ thermistor, controlling an LDM-4412 mount over –30°C to
65°C (~200–2 kΩ) or a 100kΩ thermistor controlling an LDM-4412 mount
over 10°C–85°C (~200–10 kΩ).
10 Using a 10 kΩ thermistor, controlling an LDM-4412 mount over –5°C to
90°C (~45–1 kΩ).
11 Voltage measurement accuracy while driving calibration load. Accuracy is
dependent upon load used.
12 Measured at 2 A output over a bandwidth of DC to 25 MHz.
When coupled with the LDM-4616 Modular
Laser Diode Mount, the LDC-3916 Multi-
channel controllers provide a configurable,
cost-effective solution for multi-channel,
DWDM signal sources. The mount can also
support many popular 980 nm and 1480 nm
pump laser diodes for EDFA test applications.
LDC
3916
16-Channel
Laser Diode
Controller
LDC
3916
16-Channel
Laser Diode
Controller