ANDO ELECTRIC AQ4321 A User manual

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AQ4321 A/D
Tunable Laser Source
Instruction Manual
ANDO ELECTRIC CO., LTD.
©Copyright ANDO ELECTRIC CO., LTD. JAPAN 2002
AS-62517-11 Rev. 1.8
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WARRANTY
All Ando Electric's products have been inspected with our severe quality assurance standards.
However, if any defect or trouble occurring during transportation is found, contact to our service
agency.
Do not repair a defective ANDO’s product by yourself in order to avoid any physical damage. A
repair of defective ANDO’s product must be performed by a service engineer approved by ANDO
ELECTRIC CO.,LTD.
Ando Electric will replace, at no charge, the defective product(s) that occur within one year of the
original date of product delivery.
However, the defects due to an operation error, modification or retrofit by the customer, or those
caused by the natural disasters are serviced with charge.
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Hazard Identification
This manual uses the following hazard identification markings that the operators and service
personnel must be aware of all hazards associated with this system.
1. Dangers, Warnings, Cautions, and Notes
(1) Priority of hazard information
The priority of hazard information is as follows:
Dangers > Warnings > Cautions > Notes
(2) Meanings of hazard information
Danger: Identifies immediate hazards that will result in death or severe
personal injury. This is the highest priority hazard
identification marking.
Warning: Identifies hazards or unsafe practices that can result in severe
personal injury.
Caution: Identifies hazards or unsafe practices that can result in damage
to system units or can "interrupt" system operations.
Note: Identifies an auxiliary information about exceptional rules,
corrections, and restrictions.
2. Reference Pages
The page or pages that you should refer to are shown.
An example of "See Page 2-1".
3. Pictorials of Operation Keys
This manual shows the system operation keys as follows:
[ ] : Indicates a panel switch.
< > : Indicates a soft key.
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○Read this manual and the precautions for safety in it carefully before using the device.
○Maintain this manual at a location easy to access.
Precautions for Safety
This manual employs the following safety alert symbols to provide basic safety rules and precautions.
They are intended to ensure correct use of the product and thus to prevent personal injury that could
occur to your or other persons and physical damage. The meaning of the safety alert symbols are as
follow.
Please take the time to familialize yourself with this section before going to other sections of this
manual.
●Safety precautions and rules to be observed are identified with the following safety alert
symbols:
This symbol represents safety precautions or rules (including Warning and
Danger notices) that require users' attention.
(Actual "Signal Word" is entered inside the symbol.)
This symbol represents safety precautions or rules users must observe.
(Actual "Signal Word" is entered inside the symbol.)
This symbol represents banned user actions.
●Sample safety alert symbols
WARNING This symbol identifies hazards which can result in death or serious
personal injury if this warning is unheeded and the system is
improperly handled or operated.
CAUTION This symbol identifies hazards which can result in personal injury
or physical damage if this caution is unheeded and the system is
improperly handled or operated.
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This symbol identifies hazards which can result in fuming or fire hazard if this caution
or safety rule is unheeded and they system is improperly handled or operated.
This symbol identifies hazards which can result in electric shock if this precaution or
safety rule is unheeded and the system is improperly handled or operated.
This symbol identifies hazards which can result in bodily hurt if this precaution or
safety rule is unheeded and the system is improperly handled or operated.
This symbol instructs to remove the power plug from the plug outlet to ensure work
safety.
This symbol identifies general safety rules to be observed by users.
1. Restrictions on the Operating Environment
Take care so that water may not flow into the system or the system may not be
exposed to water, otherwise fire hazard, electric shock or system failure can result.
Connect the system to the ground before starting it up, otherwise electric shock or
system damage can result.
2. Restrictions on the Operating Conditions
ｖｖ
Don't operate the system at any other voltages than the specified, otherwise fire
hazard, electric shock or system failure can result.
When this system is operated on the supply mains, it must be directly connected to the
dedicated plug outlet.
Don't use an extension cord since it can cause overheat and thus fire hazard.
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3. Setup and Installation Work
3.1 Precautions intended for setup and installation personnel
Avoid disorderly, complex wiring from the power supply, otherwise cable overheating
or fire hazard can result.
Insert the power plug securely to the plug outlet, otherwise fire hazard or electric
shock can result if a metal piece touches the power plug.
3.2 Restrictions and bans on the installation environment and conditions
Don't install the system into a highly humid or dusty place, otherwise electric shock or
system failure can result.
Don't install the system on an unstable base or inclined place, otherwise personal
injury can result when it falls or tumbles down.
Don't install the system in a place exposed to severe vibrations or shocks, otherwise
personal injury can result when it falls or tumbles down.
Don't insert or drop a metal bar from the system openings, otherwise fire hazard,
electric shock or other personal injury can result.
Keep the power cord away from the heating units, otherwise fire hazard or electric
shock can result from the damaged coating.
Hold the plug portion when pulling the power cord out of the outlet, otherwise fire
hazard or electric shock can result from the damaged cord.
Don't handle the power cord with wet hands, otherwise electric shock can result.
Don't place the system in a high temperature environment such as a place exposed to
direct sunlight or inside of a vehicle, otherwise system failure can result from
overheating of inside the system.
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3.3 Banned actions in the system installation
Don't try to move the system without making sure that the power plug has been
removed from the plug
outlet and external connection cables have been disconnected.
Don't block the system ventilation hole, otherwise fire hazard can result from the
entrapped heated air inside the system.
Don't damage or rework the power cord, otherwise fire hazard or electric shock can
result from the cord damaged by heavy substance placed on it, excessive heat or
tension applied to it.
4. Precautions Before Starting the System
Please read this instruction manual carefully and familiarize yourself with the information
provided in it.
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5. Usage
Operate the system in accordance with the procedure provided in the instruction
manual.
When a safety alert symbol (Warning, Danger or Caution mark) is provided, operation
instructions provided in the manual must be heeded.
Area surrounding the system must be free of a water filled container or metal pieces,
otherwise fire hazard, electric shock or system failure can result from the spilt water or
dropped metal piece.
Don't rework the power cord nor forc
ibly bend, twist or pull it, otherwise fire hazard or
electric shock can result.
Don't try to disassemble or retrofit the system, otherwise fire hazard, electric shock or
bodily injury can result.
When the system is not to be used for a long period of time, remove the power plug
from the plug outlet to ensure safety, otherwise fire hazard, electric shock or system
failure car result from lightning.
Use caution when opening or closing doors on the system so that your fingers may not
be pinched.
The power plug must be removed from the plug outlet whenever a fuse replacement
takes place, otherwise electric shock or the system damage due to shorting can result.
Don't use any fuse other than one having the specified rating and property, use of a
short bar can aggravate should an accident happened. It can also cause fire hazard.
6. Maintenance and Inspection
Periodic system maintenance and inspection is recommended.
When you have any question on the maintenance or inspection, contact us at the list attached to
the end of this manual.
Dusts settled inside the system for a long period can cause fire hazard or system
failure.
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7. Actions Required for a System Failure
If the power cord is damaged, contact us for its replacement.
Continued use of such cord can cause fire hazard or electric shock.
Should a foreign substance dropped into the system, turn the system power off first,
then remove the power cord from the plug outlet and contact us. Fire hazard, electric
shock or system failure can result from continued use of the system in such state.
Should an abnormal state such as fume, smoke or offensive odor is detected on the
system, turn the system power switch off immediately, then remove the power plug
from the plug outlet. Making sure that fume or smoke is not present any more,
contact us for repair. Continued use of the system in such state can result in fire
hazard, electric shock or system failure.
Never try to fix the trouble on your own. It is an extremely dangerous try.
Should the system is dropped or damaged, turn the system power off, remove the
power plug from the plug outlet, then contact us.
Continued use of the system in such state can result in fire hazard, electric shock or
system failure.
Should the syｘstem failed, customers strongly advised not to try fix the failure,
otherwise electric shock or personal injury can result.
Our warranty is not applicable to the system repaired without previous notice to and
consent from us.
8. Precautions on Disposal
Don’t place the system in fire for its disposal, otherwise fire hazard or bum can
result if it exploded.
The TFT color LCD panel of AQ4321 contains cold cathode fluorescent lamps.
Please follow local ordinances or regulations for its disposal.
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Initial Safety Information for Laser Source
The Specifications are as follows:
(*1) As for EC-Laser , External Cavity Laser is abbreviated.
Note
Check that the wavelength and light emission written on the attached safety caution seal (the same as
the one in the center on the above) satisfy the above specifications.
You MUST return instruments with malfunctioning laser boxes to Service Center for repair and calibration.
AQ4321A
AQ4321D
Laser Type
EC-Laser(*1)
EC-Laser(*1)
Laser Class
InGaAsP
InGaAsP
According to 21CFR1040.10
Ⅲ
A
Ⅲ
A
According to IEC825-1,EN60825-1
3A
3A
Outout Power
+10dBm(typcal)
+7dBm(typcal)
Beam Diameter
10
μ
m
10
μ
m
Numerical Aperture
0.1
0.1
Wavelength
1480 to 1580 nm
1520 to 1620 nm
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WARNING
Use of controls or adjustments or performance of procedures other than those specified for the laser
source may result in hazardous radiation exposure.
WARNING
Refer Servicing only to qualified and authorized personnel
WARNING
Do not emit a laser light when an optical fiber is not connected on the optical output connector.
The optical output connector is located on the front panel.
The laser light is emitted when “LD ON/OFF”button is pressed.
“LD ON/OFF”button is located on the front panel ,just left side of the optical output connector.
Ａgreen LED on the front panel goes on while a laser light is emitted.
WARNING
Under no circumstances look into the end of an optical cable attached to the optical output when the
device is operational.
The laser radiations not visible to the human eye, but it can seriously damage your eyesight.
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Table of Contents
Chapter 1 Outline 1-1
1.1 System Outline 1-1
1.2 Specifications 1-2
1.3 Configuration 1-5
Chapter 2 Before Use 2-1
2.1 Unpacking and Acceptance Inspection 2-1
2.1.1 Acceptance inspection 2-1
2.1.2 Operation checkout 2-1
2.2 If a Damage or a Problem is found 2-1
2.3 Re-packing 2-2
2.4 Safety Precautions of Electrical System 2-3
2.4.1 Polarity of power cord 2-3
2.4.2 Protection by grounding 2-4
2.4.3 Replacing the fuses 2-5
2.4.4 Exchange of built-in battery 2-6
Chapter 3 PRECAUTIONS ON OPERATION 3-1
3.1 Operating Temperature Range 3-1
3.2 Environmental Conditions 3-1
3.3 Precautions on Handling 3-2
3.4 Precautions for Using Optical Parts 3-3
3.5 Precautions for Outputting Stable Light 3-4
Chapter 4 FUNCTION 4-1
4.1 Operation Unit 4-1
4.2 Display Screen (LCD) 4-4
4.2.1 Main Screen 4-4
4.2.2 LCD Setting Screen 4-7
4.3 Keyboard operation 4-9
Chapter 5 OPERATION 5-1
5.1 Before Operation 5-1
5.1.1 Opening and Closing of Connector Protection Cap 5-2
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5.1.2 Connecting and Removing of Connector Adapter 5-2
5.1.3 Cleaning of Light Output Part 5-3
5.2 Turning on and Checking 5-5
5.3 Turning off 5-6
5.4 How to Operate 5-7
5.4.1 Common Operating Method 5-7
5.4.2 Software Key Main Menu 5-9
5.4.3 SWEEP MENU 5-11
5.4.4 OFFSET 5-14
5.4.5 TLS SET 5-18
5.4.6 PROGRAM 5-22
5.4.7 SYSTEM 5-33
5.5 Error Message 5-48
Chapter 6 Remote Control 6-1
6.1 GPIB control 6-1
6.1.1 Interface functions 6-1
6.1.2 Explanation of basic system functions 6-2
6.1.3 GPIB and RS-232C interface commands 6-4
6.1.4 Notes in CFORM1 6-15
6.1.5 Notes in CFORM2 6-20
6.2 RS-232C Interface Control 6-23
6.2.1 RS-232C interface commands 6-23
6.2.2 Explanation of basic functions 6-23
6.3 Sample Programs 6-25
Chapter 7 System Circuits and Structure 7-1
7.1 System Circuits 7-1
7.2 Structure 7-3
Chapter 8 Operation Principle 8-1
8.1 Variable Wavelength Measurement 8-1
8.2 Reference Wavelength 8-2
8.3 About the optical output control of AQ4321 8-3
Chapter 9 Troubleshooting Guide 9-1
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Chapter 10 Maintenance 10-1
10.1 Instruments and Tools required 10-1
10.2 Periodical Inspection 10-1
10.3 Cleaning 10-2
Figure and Table contents
Fig. 2-1: Three-pole power cord 2-3
Fig. 2-2: Replacing the power fuses 2-5
Fig. 4-1: Operation unit arrangement 4-1
Fig. 4-2: Main screen status where all LCDs come on 4-4
Fig. 4-3: LCD screen color setting screen 4-7
Fig. 5-1: How to open/close connector protection cap 5-2
Fig. 5-2: How to connect/remove connector adapter 5-2
Fig. 5-3: How to clean optical connector connection 5-3
Fig. 5-4: How to clean light output part 5-3
Fig. 5-5: Password entry screen 5-5
Fig. 5-6: Initial screen 5-6
Fig. 5-7: Program select screen 5-23
Fig. 5-8: Program execution screen 5-24
Fig. 5-9: EDIT screen 5-25
Fig. 5-10: Command select screen 5-27
Fig. 5-11: File menu screen 5-35
Fig. 5-12: File name entry screen 5-39
Fig. 5-13: Drive change screen 5-41
Fig. 5-14: Directory name entry screen 5-42
Fig. 7-1: shows the AQ4321 system block diagram 7-2
Fig. 8-1: External resonator structure 8-1
Fig. 8-2: Vertical mode signals of external resonator 8-2
Table 1-1: AQ4321 specifications 1-2
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Table 1.2: List of AQ4321 accessories 1-5
Table 2-1: Power fuse 2-5
Table 4-1: Operation unit name and function 4-2
Table 4-2: Contents of main screen display 4-5
Table 4-3: Setting and contents of LCD screen color 4-8
Table 4-4: Screen color adjusting item 4-8
Table 4-5: Correspondence table of AQ4321 operation part and keyboard operation
4-9
Table 5-1: Range of setting of wavelength/optical frequency (A/D)5-16
Table 5-2: Program command list 5-28
Table 5-3: Typical programs 5-32
Table 5-4: Error code list 5-48
Table 6-1: GPIB interface functions 6-1
Table 6-2: SRQ status byte 6-3
Table 6-3: GPIB and RS-232C interface commands (supported by AQ4321) 6-5
Table 6-4: GPIB and RS-232C interface commands
(Comparison with competitor's commandsCFORM1) 6-16
Table 6-5: Command that is not supported by CFORM1 in AQ4321 6-18
Table 6-4: GPIB and RS-232C interface commands
(Comparison with competitor's commands CFORM2) 6-21
Table 6-5: Command that is not supported by CFORM2 in AQ4321 6-22
Table 6-6: Initial values for RS-232C interface communication 6-23
Table 6-7: RS-232C interface response 6-24
Table 10-1: List of test instruments 10-1
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Attached diagram table
Applying Figure 1: AQ4321 screen menu system chart
Outside view of AQ4321A Tunable Laser Source ASD-62517-11-1/3
Outside view of AQ4321A Tunable Laser Source (Front) 2/3
Outside view of AQ4321A Tunable Laser Source (Rear) 3/3
Note
The externals chart attached to this manual is only AQ4321A. It is common in all models
excluding the model name. Read in a different way and use the model name.
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Chapter 1 Outline 1.1 System Outline
1−
1
Chapter 1 Outline
This publication explains how to use the AQ4321A/D variable wavelength optical source (called
the "AQ4321 system").
1.1 System Outline
The AQ4321 system is the highly reliable optical source whose emission wavelength can be
adjusted highly accurately. Its variable wavelength covers the WDM communication bandwidth
in the 1480 to 1580-nm (AQ4321A) or 1520 to 1620-nm (AQ4321D) range.
The AQ4321 system is appropriate to optical amp measurement as its optical output is not
interrupted even when its wavelength or optical output is changed. The system has the excellent
basic performance such as high-speed sweep, stability, high SMSR and narrow linewidth. Its
various wavelength sweep and optical output modulation are available. Also, fully remote control
via GPIB or RS-232C interface is available.
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Chapter 1 Outline 1.3 Configuration
1−
2
1.2 Specifications
Table 1-1 lists the AQ4321 system specifications.
Table 1-1: AQ4321 specifications (1 of 4)
Note
Note 1,Note 2,Note 3
Note 2,Note 3,Note 4
Note 1,Note 2,Note 3
Note 3
When NARROW is set
When WIDE is set
Note 5
Maximum power wavelength
1520 to 1570nm
1500 to 1580nm
1480 to 1580nm
Note 6
For five minutes Note 2,Note 9
For one hour Note 2,Note 7,Note 9
For eight hours Note 2,Note 8,Note 9
Note 2,Note 3,Note 9
Note 2,Note 3,Note 7,Note 9,Note 10
Note 2,Note 3,Note 9,Note 11
Set frequency
Set resolution
Set frequency
Set resolution
Direct modulation Modulation degree Note 13
Note 15
Range of voltage
Frequency
Consumption electric power
Note 1 : 23℃fixed temperature, 2σ(Within one hour after wavelength calibration succeeds), Line width NARROW, SWEEP FINE, OPT ATT CONT1
Note 2 : CW light output, Measured at the output end of 2 m-long, When one hour or more has passed since power supply was turned on
Note 3 : Optical output≦+3dBm
Note 4 : Immediately after wavelength calibration 1520nm, Line width NARROW, SWEEP FINE, OPT ATT CONT1
Note 5 : Optical output=+7dBm (1550nm)
Note 6 : Step 0.1dB, Maximum power wavelength, OPT ATT CONT1
Note 7 : Within ±1℃of 10 to 35℃
Note 8 : 10 to 35℃
Note 9 : Line width WIDE
Note 10 : Optical output level fixation
Note 11: Wavelengtah 1500 to 1580nm
Note 12 : Duty=50±5%
Note 13 : Modulation frequency=100kHz to 300MHz, Set input Modulation level≦0dBm.
Note 14 : Consult us for other connectors
Note 15 : No do be dewy
Ta=23℃, CW light output, Measured at the output end of 2 m-long, When one hour or more has passed since power supply was turned on
≧100MHz,200MHz[typ]
RIN
Note 2
≦±1dBOptical output accuracy
Note 2
Optical output stability
≧50dB
+10dBm[typ]
200MHz[typ](≦1MHz )
±0.04dB
±0.1dB
≦±0.01dB
≦±0.05dB
Wavelength sweep speed
Optical changeable attenuation function
Optical output repeatability
Optical output flatness
0.2kHz to 300kHz
Internal modulation (CHOP)
Note 12
External modulation (CHOP)
-145dB/Hz[typ]
≦±0.3dB
AQ4321A
1480 to 1580nm
0.001nm
≦±0.015nm,±0.01nm[typ]
≦±0.01nm
≦±0.01nm[typ]
±100MHz/h (±0.8pm/h)[typ]
≧+7dBm
Model
Wavelength changeable width
Wavelength resolution
Absolute wavelength accuracy
Relative wavelength accuracy
Wavelength stability
SMSR
Optical output
Width of spectrum line
100 to 120VAC or 200 to 240VAC
10Hz,100Hz,1kHz,10kHz,100kHz
0.2kHz to 300kHz
Maximum≦5%
100nm/sec (maximum)
≧+5dBm
≧+3dBm
50/60Hz
Weight
+10 to +35℃
Humidity condition ≦80%
Range of storage temperature
≧20dB
-
Applicablle fiber
Range of operation temperature
FC/PC,Amount of optical reflection
SMF (10/125μｍ）
Dimensions
attenuation≦50dBm
Applicablle optical connector Note 14
Attached goods Instruction manual : 1 Power cord : 1 Floppy disks : 2
AQ9441(FC)connector adapter : 1 50-ohm terminator : 1
-10 to +50℃
Approx.20㎏
Approx.177(H)×425(W)×450(D) mm
Approx.150VA
Power supply
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Chapter 1 Outline 1.3 Configuration
1−
3
Table 1-1: AQ4321 specifications (2 of 4)
Note
Note 1,Note 2,Note 3
Note 2,Note 3,Note 4
Note 1,Note 2,Note 3
Note 3
When NARROW is set
When WIDE is set
Note 5
Maximum power wavelength
1560 to 1600nm
1540 to 1620nm
1520 to 1620nm
Note 6
For five minutes Note 2,Note 9
For one hour Note 2,Note 7,Note 9
For eight hours Note 2,Note 8,Note 9
Note 2,Note 3,Note 9
Note 2,Note 3,Note 7,Note 9,Note 10
Note 2,Note 3,Note 9,Note 11
Set frequency
Set resolution
Set frequency
Set resolution
Direct modulation Modulation degree Note 13
Note 15
Range of voltage
Frequency
Consumption electric power
Note 1 : 23℃fixed temperature, 2σ(Within one hour after wavelength calibration succeeds), Line width NARROW, SWEEP FINE, OPT ATT CONT1
Note 2 : CW light output, Measured at the output end of 2 m-long, When one hour or more has passed since power supply was turned on
Note 3 : Optical output≦+3dBm
Note 4 : Immediately after wavelength calibration 1520nm, Line width NARROW, SWEEP FINE, OPT ATT CONT1
Note 5 : Optical output=+6dBm (1590nm)
Note 6 : Step 0.1dB, Maximum power wavelength, OPT ATT CONT1
Note 7 : Within ±1℃of 10 to 35℃
Note 8 : 10 to 35℃
Note 9 : Line width WIDE
Note 10 : Optical output level fixation
Note 11: Wavelengtah 1500 to 1580nm
Note 12 : Duty=50±5%
Note 13 : Modulation frequency=100kHz to 300MHz, Set input Modulation level≦0dBm
Note 14 : Consult us for other connectors
Note 15 : No do be dewy
Ta=23℃, CW light output, Measured at the output end of 2 m-long, When one hour or more has passed since power supply was turned on
Note 14
attenuation≦50dBm
Maximum≦5%
Optical output accuracy
Optical output repeatability
Optical output flatness
≦±1dB
±0.04dB
±0.1dB
Wavelength sweep speed
Applicablle fiber
Humidity condition
100nm/sec (maximum)
SMF (10/125μｍ）
Range of storage temperature -10 to +50℃
≦80%
Applicablle optical connector FC/PC,Amount of optical reflection
Dimensions
Relative wavelength accuracy
Wavelength stability
Width of spectrum line
Optical output
SMSR
Model
Wavelength changeable width
Wavelength resolution
Absolute wavelength accuracy
AQ4321D
1520 to 1620nm
0.001nm
≦±0.015nm,±0.01nm[typ]
≦±0.01nm
≦±0.01nm[typ]
±100MHz/h (±0.8pm/h)[typ]
Note 2
≧100MHz,200MHz[typ]
≧50dB
200MHz[typ](≦1MHz )
Note 2
≧+6dBm
≧+5dBm
≧+3dBm
+7dBm[typ]
Optical changeable attenuation function ≧20dB
Optical output stability
≦±0.01dB
≦±0.05dB
≦±0.3dB
RIN -145dB/Hz[typ]
Internal modulation (CHOP) 0.2kHz to 300kHz
Note 12 : Duty=50±5%
10Hz,100Hz,1kHz,10kHz,100kHz
External modulation (CHOP) 0.2kHz to 300kHz
-
Approx.177(H)×425(W)×450(D) mm
Weight Approx.20㎏
Range of operation temperature +10 to +35℃
50/60Hz
Approx.150VA
Attached goods Instruction manual : 1 Power cord : 1 Floppy disks : 2
AQ9441(FC)connector adapter : 1 50-ohm terminator : 1
Power supply
100 to 120VAC or 200 to 240VAC
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