Agilent Technologies Agilent 8166A Guia do Utilizador descarregar pdf (Página 21)

What is an Attenuator? Getting Started with Attenuator Modules

Agilent 81560A, 81561A, 81566A, & 81567A Optical Attenuator Modules, First Edition 21

Calibration is even easier and more convenient if the reference

powermeter and the attenuator are hosted by the same mainframe: All

power related offsets can be determined by a firmware function that

reads a value from the reference powermeter. The difference between

the power value read by the reference powermeter and the actual

value of the attenuator is automatically stored as the offset.

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User’s Guide 1
First Edition 2
81560-90A11 2
Safety Summary 3
Line Power Requirements 4
Operating Environment 4
Storage and Shipment 4
Firmware Prerequisites 5
8156x Series Modules 6
The Structure of this Manual 7
Table o f C onte nts 9
Specifications 29 10
Performance Tests 39 10
Cleaning Information 65 11
List of Figures 13
Control 16
What is an Attenuator? 17
Typical Use Models 20
Optical Output 22
Accessories 23
Modules and Options 25
User’s Guides 26
Attenuator Modules 28
Specifications 29
Definition of Terms 31
Attenuation Range 32
Correction (of Attenuation) 32
is expressed in pW 34
Repeatability 35
Resolution 35
Return Loss 35
Settling Time 35
Shutter Isolation 36
Tot al Los s 36
Wavelength Range 36
Performance Tests 39
Required Test Equipment 41
Test Record 42
Test Failure 42
Instrument Specification 42
Performance Test Instructions 43
Insertion Loss Test 44
8163A 8163A 45
Repeatability Test 46
Test Equipment Used 58
Attenuation Accuracy Test 59
Page 4 of 8 60
Return Loss Test 61
(11896A) 62
Page 8 of 8 64
Cleaning Information 65
Safety Precautions 67
Why is it important to clean 67
What do I need for proper 68
Isopropyl alcohol 69
Cotton swabs 69
Soft tissues 70
Pipe cleaner 70
Compressed air 70
Additional Cleaning Equipment 71
Warm water and liquid soap 72
Premoistened cleaning wipes 72
Polymer film 72
Infrared Sensor Card 72
Preserving Connectors 73
Cleaning Instrument Housings 73
Which Cleaning Procedure 74
How to clean connectors 74
How to clean connector 76
How to clean lenses 78
How to clean optical devices 81
How to clean bare fiber ends 83
Other Cleaning Hints 85

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