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HP 81541MM Скачать руководство пользователя страница 7

Contents

C.

HP

81541MM

Specications

Suppelementary

P

erformance

Characteristics

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C-2

Internal

Digital

Modulation

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C-2

Output

Attenuation

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C-2

Stability

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C-2

D

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P

erformance

T

ests

Introduction

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D-1

Equipment

Required

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D-1

T

est

Record

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D-2

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D-2

Instrument

Specication

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D-2

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erformance

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D-2

Output

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ower

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Stability

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ests

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D-3

1.

Output

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ower

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est

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D-3

2.

Attenuation

Function

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est

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D-4

3.

Modulation

Function

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D-4

4.

Stability

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D-4

E.

Cleaning

Procedures

Cleaning

Materials

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E-1

Cleaning

Fiber/Front-P

anel

Connectors

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E-2

Cleaning

Connector

Interfaces

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E-2

Cleaning

Connector

Bushings

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E-3

Cleaning

Detector

Windows

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E-3

Cleaning

Lens

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dapters

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E-3

Cleaning

Detector

Lens

Interfaces

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E-4

Contents-1

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Содержание 81541MM

Страница 1: ...nd Programming Manual HP 81541MM Lightwave Multimeter Source Module SERIAL NUMBERS This manual applies to all instruments ABCDE HP Part No 81541 90011 Printed in the Federal Republic of Germany First Edition E1092 ...

Страница 2: ......

Страница 3: ...er country HP warrants that its software and rmware designated by HP for use with an instrument will execute its programming instructions when properly installed on that instrument HP does not warrant that the operation of the instrument software or rmware will be uninterrupted or error free Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequ...

Страница 4: ......

Страница 5: ... or defect is apparent or if an instrument does not pass the operator s checks notify the nearest Hewlett Packard o ce Warning To avoid hazardous electrical shock do not perform electrical tests when there are signs of shipping damage to any portion of the outer enclosure covers panels etc Line Power Requirements The HP 81541MM operates when installed into the HP 8153A Lightwave Multimeter mainfra...

Страница 6: ......

Страница 7: ...trument Speci cation D 2 Performance Tests D 2 Output Power and Stability Tests D 3 1 Output Power Test D 3 2 Attenuation Function Test D 4 3 Modulation Function Test D 4 4 Stability Test D 4 E Cleaning Procedures Cleaning Materials E 1 Cleaning Fiber Front Panel Connectors E 2 Cleaning Connector Interfaces E 2 Cleaning Connector Bushings E 3 Cleaning Detector Windows E 3 Cleaning Lens Adapters E ...

Страница 8: ...Figures D 1 Performance Test Setup D 3 Tables C 1 HP 81541MM Speci cations C 1 Contents 2 ...

Страница 9: ...propriate section of the manual Table C 1 HP 81541MM Speci cations Type LED Central Wavelength 1 850nm630nm Fiber Type MM 50 125 m Spectral Bandwidth FWHM 90nm Output Power 17dBm CW Stability 1 Short Term 15min T Constant 60 003dB Long Term 6h T 0 to 55 C61K 60 03dB Dimensions 75mm H 32mm W 335mm D 2 8 21 3 213 2 2 Weight net 0 7kg 1 5lbs shipping 1kg 2 2lbs Recalibration Period 1 year 1 After a w...

Страница 10: ...tion frequencies of 270HZ 1kHz or 2kHz All outputs are pulse shaped with a duty cycle of 50 Output Attenuation The output can be attenuated from 0 to 6dB in steps of 0 1dB Stability The value of the long term stability doubles with just one minute warmup time source enabled C 2 HP 81541MM Speci cations ...

Страница 11: ...uipment required for the performance test is listed below Note The LED Source module under test can be inserted into the second channel of the Power Meter Standard In this case the second multimeter mainframe is not necessary Instrument Accessory Recommended Model Power Meter Standard C01 HP 8153A Mainframe with HP 81533A Optical Head Interface Module with HP 81520A Optical Head Multimeter Mainfra...

Страница 12: ... the HP 81541MM can be tested Appendix C also lists some supplemental characteristics of the HP 81541MM and should be considered as additional information Any changes in the speci cations due to manufacturing changes design or traceability to the National Bureau of Standards will be covered in a manual change supplement or revised manual The speci cations listed in such a change supercede any prev...

Страница 13: ...the power meter i Set to the wavelength displayed for the HP 81541MM source channel ii Make sure that the CAL parameter on the power meter is set to zero iii With the connector adapter on the optical head covered with a plastic cap press 4Zero5 to zero the power meter d Connect the equipment as shown in Figure D 1 Figure D 1 Performance Test Setup e On the HP 8153A with the module under test i Pre...

Страница 14: ...153A with the module under test press 4Param5 to select the AUX parameter Monitor the frequency change on the oscilloscope as you set the modulation to 270Hz 1kHz and then to 2kHz Use 4 5 and 4 5 to modify the modulation Note the reaction on the Test Record 4 Stability Test a Enable the HP 81541MM LED output and allow the instruments to warm up for 60 minutes b Select the channel with the source i...

Страница 15: ...TOTAL parameter Set the T_TOTAL parameter to 15 minutes iii Press 4Edit5 and then 4Exec5 to run the stability application f When the stability test has completed press 4More5 to select the SHOW application Press 4Edit5 and then 4Next5 4Prev5 to display the DIFF result Divide this result by 2 to obtain the value for the stability DIFF 2 Stability dB Note the result on the Test Record g Repeat the s...

Страница 16: ... HP 81541MM Page 1 of 3 Test Facility Report No Date Customer Tested By Model HP81541MM Source Module Serial No Ambient temperature C Options Relative humidity Firmware Rev Line frequency Hz Special Notes D 6 Performance Tests ...

Страница 17: ...d HP 8153A C01 2 Opt Head Interface Module HP 81533A 3 Optical Head 850nm HP 81520A 4 Lightwave Multimeter DUT HP 8153A 5 Connector Interface HP 81000AI N A N A 6 Connector Adapter HP 81000AA N A N A 7 Multimode Fiber HP 81501AC N A N A 8 BNC to BNC Cable P N 8120 1840 N A N A 9 Oscilloscope 10 11 12 13 14 15 16 17 Performance Tests D 7 ...

Страница 18: ...um Measurement No Test Description Spec Result Spec Uncertainty I Output Power Test Output Power 17dBm 60 5dB 610 14 II Attenuation Function Test Passed P Failed F III Modulation Function Test Passed P Failed F IV Stability Tests Stability 15min 0 003dB 0 003dB Stability 6h 0 02dB 0 02dB D 8 Performance Tests ...

Страница 19: ...ompound use only HP index matching oil part number 8500 4922 Clean the connectors interfaces and bushings carefully each time after use Cleaning Materials HP P N Lens Cleaning Paper 9300 0761 Special Cleaning Tips 9300 1351 Blow Brush 9300 1131 Adhesive Cleaning tape 15475 68701 Isopropyl Alcohol Not available from HP This should be available from any local pharmaceutical supplier Pipe Cleaner Cle...

Страница 20: ...e connector surface to remove any remaining particles After use store the tape in the container 5 Protect the connector surface with a cap Cleaning Connector Interfaces Apply some isopropyl alcohol to the pipe cleaner and wash the inside of the connector interface Using a new dry pipe cleaner dry the inside of the connector interface Remove the brush part from the blow brush and blow air through t...

Страница 21: ...s this may a ect the optical system NEVER use any index matching compound cleaning uid or cleaning spray Cleaning Detector Windows As used on the HP 81520A and HP 81521B 1 Use the blow brush to remove any particles from the surface 2 Wipe the surface with cleaning paper or special cleaning tips Cleaning Lens Adapters Caution Do not use any cleaning uid or cleaning spray 1 Using the blow brush remo...

Страница 22: ...by using the blow brush If adhesive dirt must be removed perform as follows 1 Using the blow brush remove the dust from the lens surface 2 Press the special cleaning tip to the lens surface and rotate the tip Note Use alcohol for cleaning only then when above procedure does not help or if the dirt is caused by oil or fat E 4 Cleaning Procedures ...

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