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USER GUIDE
Low-Noise QCL Driver — Laboratory Series
Firmware versions 1.5 and later operate with the
LabVIEW Virtual Instrument application and the Remote Command Set
TABLE OF CONTENTS
GENERAL OVERVIEW
SAFETY
QUICK CONNECT GUIDE
PIN DESCRIPTIONS
ELECTRICAL SPECIFICATIONS
OPERATING INSTRUCTIONS
(STAND-ALONE)
REMOTE OPERATING INSTRUCTIONS 16
TROUBLESHOOTING
ADDITIONAL TECHNICAL NOTES
MECHANICAL SPECIFICATIONS
CE DECLARATION OF CONFORMITY
WARRANTY & CERTIFICATION
The datasheet for the QCL LAB Series Firmware Version 0.79 (compatible with the QuickConnect Application) is located at:
QCL
Covered by U.S. Patents 6,696,887; 6,867,644 and 7,176,755. Licensed from Battelle Memorial Institute
1
PAGE
www.teamwavelength.com/download/datasheets/qcl-lab079.pdf
e
Pb
RoHS
ORDERING INFORMATION
2
PART NO
QCL500 LAB
3
QCL1000 LAB
4
QCL1500 LAB
6
QCL2000 LAB
NOISESCAN
7
55-110014
55-110015
9
WCB310
QCLTL-LO
17
QCLTL-1500
20
QCLTL-2000
22
RCKMT-LABSNGL
RCKMT-LABDUAL
23
INTLK REPL KIT
24
(included with purchase)
Applies to Product Revision A,
DESCRIPTION
500 mA Low Noise QCL Instrument
1.0 A Low Noise QCL Instrument
1.5 A Low Noise QCL Instrument
2.0 A Low Noise QCL Instrument
Noise Characterization Scan
SMA-BNC Cable
USB Cable
Shielded SMA-SMA Cable
Resistive Test Load for QCL500 or
QCL1000
Resistive Test Load for QCL1500
Resistive Test Load for QCL2000
19" Single Unit Rack Mount Kit
19" Double Unit Rack Mount Kit
Interlock Replacement Kit with BNC
terminator and modified D-SUB
connector to override interlocks
firmware 1.5 and later
© Apr 2023
1
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Table of Contents
Related Manuals for Wavelength Electronics QCL500 LAB
Summary of Contents for Wavelength Electronics QCL500 LAB
- Page 1 LabVIEW Virtual Instrument application and the Remote Command Set TABLE OF CONTENTS ORDERING INFORMATION PAGE GENERAL OVERVIEW PART NO DESCRIPTION QCL500 LAB 500 mA Low Noise QCL Instrument SAFETY QCL1000 LAB 1.0 A Low Noise QCL Instrument QUICK CONNECT GUIDE QCL1500 LAB 1.5 A Low Noise QCL Instrument...
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Page 2: General Overview
GENERAL OVERVIEW THE LOWEST-NOISE DRIVER • Output currents of 500 mA, 1 A, 1.5 A, 2 A AVAILABLE • Low noise: <0.4 μA RMS up to 100 kHz (QCL500, typical) These low noise QCL instruments have the lowest current noise density of any commercially available. Powering your •... -
Page 3: Power Cords
SAFETY DEFINITIONS FUSES • Disconnect the power to the QCL instrument before changing the fuses. CHASSIS GROUND Symbol • To prevent damage to the QCL instrument when replacing fuses, locate and correct the problem that caused the fuse CAUTION: A condition that has the potential to to blow before re-applying power. -
Page 4: Quick Connect Guide
QUICK CONNECT GUIDE INSTALL FUSE & SELECT VOLTAGE WIRE A TEST LOAD Use of a test load is recommended for setup of the QCL instrument. Use the Wavelength test loads listed on page 1, or when building your own test load, a 10 Ω resistor with a 50 W power rating is recommended for the QCL500, QCL1000, and QCL1500. - Page 5 SETUP INTERLOCKS ENABLE CURRENT The Wavelength Interlock Replacement Kit includes a male Press the ENABLE button. There is a standard 2-second D-SUB with the passive interlock pins shorted and a BNC delay before the button illuminates and the current flows. terminator.
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Page 6: Pin Descriptions
TRANSFER FUNCTIONS BY MODEL QCL POLARITY External modulation input, setpoint monitor, and analog Pin 9 QCL + current monitor transfer functions: or SMA Outer Ring QCL500 LAB: 0.1 A / V. QCL1000 LAB: 0.2 A / V. QCL1500 LAB: 0.3 A / V. -
Page 7: Electrical Specifications
ELECTRICAL SPECIFICATIONS DRIVER OUTPUT CURRENT UNITS NOTES Output Current 0.5, 1.0, 1.5, or 2.0 RMS Noise Current μA RMS QCL1000 at 500 mA output, 100 kHz test bandwidth Noise Current Density nA / √Hz QCL1000 at 500 mA, 10 Ω test load Stability, short and long term 25°C ambient Temperature Coefficient... - Page 8 POWER SUPPLY VALUE NOTES REQUIREMENTS AC Power Supply and Line Switch selectable: 100-120 V and 220-240 V, 100-120 / 220-240 VAC, 2 A, 50-60 Hz Frequency appropriate power cord supplied Fuse for 220-240 V 0.63 A, 250 V, fast blow 5 ×...
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Page 9: Theory Of Operation
OPERATING INSTRUCTIONS (STAND-ALONE) WHAT’S IN THE BOX The External Modulation Input can be used for adding to • QCL Instrument or subtracting from the internal setpoint on the QCL LAB • Power Cable, type appropriate for final location Instrument. Inputting positive voltages will result in adding •... -
Page 10: Rear Panel
REAR PANEL FUSE ~250V, 1.25AF (5 x 20mm) SERIAL # 100-120 VAC, 1.25 A, 50-60 Hz CAUTION: WARNING: Before powering on ETHERNET No user serviceable parts. Do device, verify voltage setting is not remove cover. correct and proper fuses are installed. -
Page 11: Connect Power
INSTALL FUSES AND SELECT CONNECT POWER PROPER VOLTAGE Insert the female end of the IEC AC power cord into the Power receptacle on the back panel and then plug the male end into the power source. WIRE A TEST LOAD Use of a test load is recommended for setup of the QCL instrument. -
Page 12: Front Panel
SET UP INTERLOCKS TEXT AND ICON COLOR KEY TEXT The Wavelength Interlock Replacement Kit includes a male D-SUB with the passive interlock pins shorted and a BNC Text indicates current state. terminator. White, Green Uneditable field, for information only. 1. For the passive interlock, on the back panel, short PIN 1 and PIN 2 on the QCL D-SUB. -
Page 13: Set Limits
TURN ON QCL INSTRUMENT ADJUST THE SETPOINT 1. Press the Power switch on the back panel to |. The front panel power button light slowly pulses. 1. Press to access the Control Screen. 2. Press the Power button on the front panel, the button illuminates, touchscreen is activated, and the Control 2. - Page 14 ENABLE THE QCL INSTRUMENT NOTES: • The step interval time is approximate. In the scan files, Press the Enable button on the front panel. The button will time intervals are slightly more than the step interval glow blue only when current is delivered to the load. There is indicated on the instrument.
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Page 15: Settings Screen
The external modulation transfer function depends on the Adjustment knob can be locked. Press to lock QCL instrument model and is as follows: the settings. QCL500 LAB: 0.1 A / V. Settings are locked. QCL1000 LAB: 0.2 A / V. -
Page 16: Additional Capabilities
Series Virtual Instrument Operating Guide. as follows: The instructions explain how to download the .EXE file. If you QCL500 LAB: 0.1 A / V. would like a copy of the .VI file, contact Technical Support. QCL1000 LAB: 0.2 A / V. -
Page 17: Troubleshooting
TROUBLESHOOTING Table 5. Troubleshooting PROBLEM POTENTIAL CAUSES SOLUTIONS The front panel Power button has a 3 second delay between when it is turned off and on in The button has been pushed on and rapid succession. This is a safety mechanism off within 3 seconds. - Page 18 PROBLEM POTENTIAL CAUSES SOLUTIONS Refer to Wavelength Electronics Application Note AN-LD08: Manage Grounding to Minimize Noise with the QCL Drivers: There may be ground loops in the www.teamwavelength.com/download/ system; some system components applicationtechnotes/an-ld08.pdf Noise current is higher than expected. may be higher noise than expected;...
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Page 19: Error Messages
ERROR MESSAGES Table 6. Error Messages To clear error text, fix the cause then press any icon or the Enable button. ERROR POTENTIAL CAUSES SOLUTION The USB flash drive is missing or not To run a local VI scan, a USB flash drive Insert a USB flash drive in the data port on accessible. -
Page 20: Additional Technical Notes
NOTE: When operating at low currents around 100 mA 1. Wire your QCL to the instrument and adjust the current with the QCL500 LAB, the limit circuit begins to act around limit on the Limit screen and setpoint on the Control 32 mA below the absolute current limit. -
Page 21: Square Wave Response
SQUARE WAVE RESPONSE UPDATE THE INSTRUMENT FIRMWARE Figure 23 and Figure 24 illustrate the modulation response of the QCL1500 driven at 1.15 A into a 10 Ω test load. Updates to the instrument firmware are available on the Wavelength website. 1. -
Page 22: Mechanical Specifications
MECHANICAL SPECIFICATIONS 8.860 [225.0] 3.47 [88.14] 16.35 [415] 8.860 8.49 [225.0] [215.6] 17.72 [450] 0.66 0.72 16.35 [16.8] [3.89] [415] 3.47 [88.14] 3.92 [99.6] 6.10 Dimensions are in inches [mm]. [154.9] Tolerance is ±5%. -
Page 23: Ce Declaration Of Conformity
2000 mA QCL Driver Laboratory Instrument DECLARATION The undersigned hereby declares, on behalf of Wavelength Electronics, Inc. (Wavelength) of Bozeman, Montana, that the products listed in the table above, to which this Declaration applies, are in conformity with the provisions of: APPLICABLE REGULATIONS •... -
Page 24: Warranty & Certification
As a general policy, Wavelength Electronics, Inc. does not the United States National Institute of Standards and Technology, to recommend the use of any of its products in life support applications the extent allowed by that organization’s calibration facilities, and to...