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Index

A

Accessories, 3

list, 3
optional, 5
standard, 3

Accuracy, 25

optimizing, 14

Adjustments, 14
Analog-to-Digital converter, 25
AOP

average optical power, 25

Attenuating optical signals, 10
Attenuation, 25
Autoset, 25

B

Bandwidth, 25

electrical, description, 21
optical, description, 22
selection, 21

BUFFERED connector torque, 21

C

Channel, 25

number, 25
selection, 11

Cleaning

module, 18
optical connectors, 18

Clock, 25

recovery, 21
recovery outputs, 12

Clock recovery connector

torque, 21

Common mode, 26
Compensating a module, 8
Compensation

dark-level, 15
vertical, 14
wavelength gain, 15

Connecting optical signals, 9
Connector torque, 21

D

Dark-level compensation

how to perform, 15

Data

recovery, 21

dB, 26
dBm, 26
Decibel, 26
Degradation, 26
Differential mode, 26
Digital signal, 26
Digital transmission system, 26

E

Electrostatic discharge cautions, 6
Extinction ratio, 27

F

Features, 1
FEC, 27
Fiber optics, 27
Filter selection, 21
Forward Error Correction, 27
Front panel controls, 11

G

Getting started, 1

H

handling guidelines (module), 6
Hold down screws, 12

I

Impedance, 27
Initialize, 27
Input connector, 11
Installation, 6
Internal clock, 27

M

Main instrument commands, 12
Manuals

part numbers, 3

Measurement accuracy

optimizing, 14

Mode, 27
Modulation, 27
Module features, 1
Module handling guidelines, 6
Multimode cable, 28

O

OMA

optical modulation

amplitude, 28

Operating basics, 9
Optical

dark-level compensation, 15
input connector, 11
vertical compensation, 14
wavelength gain

compensation, 15

Optical input overdrive caution, 7
Optimizing measurement

accuracy, 14

Optional accessories list, 5
Options

list, 3

Outputs

clock, 12
data, 12

Overdriven optical input, 7

P

Procedure

perform dark-level

compensation, 15

perform user wavelength gain

compensation, 15

perform vertical

compensation, 14

Product description, 1

80C12B Optical Sampling Module User Manual

29

Содержание 80C12B Series

Страница 1: ...xx 80C12B Optical Sampling Module ZZZ User Manual P071299400 071 2994 00...

Страница 2: ......

Страница 3: ...80C12B Optical Sampling Module ZZZ User Manual xx www tektronix com 071 2994 00...

Страница 4: ...and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tek...

Страница 5: ...es taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance a...

Страница 6: ......

Страница 7: ...d Accessories 3 Installation 6 Operating Basics 9 Usage 9 System Interaction 10 Front Panel Controls 11 Commands from the Main Instrument Front Panel 12 Programmer Interface Commands 14 User Adjustmen...

Страница 8: ...Figures Figure 1 Module compartments 7 Figure 2 Connecting optical cables correctly 9 Figure 3 80C12B optical module front panel 11 Figure 4 Vertical Setup dialog boxes DSA8300 13 ii 80C12B Optical Sa...

Страница 9: ...1 80C12B module features 2 Table 2 Standard accessories 3 Table 3 Available 80C12B filter options 3 Table 4 Available 80C12B calibration and warranty options 4 Table 5 Optional accessories 5 80C12B O...

Страница 10: ...hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product The inputs are not rated for connection to ma...

Страница 11: ...could result in damage to this product or other property Symbols and Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read th...

Страница 12: ...e environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriat...

Страница 13: ...rument has been operating continuously for 20 minutes within the operating temperature range specified Vertical compensation has been performed with the module installed in the same compartment used w...

Страница 14: ...n and usage of the sampling module and its features For information about the main instrument in which the sampling module is installed refer to the user documents and online help provided with your m...

Страница 15: ...ater Select Help About from the TekScope application Help menu to show your current version Microsoft Windows 7 Ultimate 32 bit operating system DSA8200 CSA8200 CSA8000B CSA8000 TDS8200 TDS8000B and T...

Страница 16: ...wer 850 nm 2 mW average power 1310 nm 1550 nm 10 mW peak power for 60 ms Internal fiber diameter 62 5 m 125 m multimode fiber 3 Optical return loss 14 dB for multimode fiber 24 dB for single mode fibe...

Страница 17: ...andards There are three module configurations available Option 10G provides Optical Reference Receiver ORR filters for all standard rates between 8 5 and 11 7 Gb s Options F0 F12 provide 4 tributary f...

Страница 18: ...s 40GBASE R4 10 31 Gb s 100GBASE R10 10 31 Gb s 10GFC 10 51 Gb s FEC10 66 10 66 Gb s FEC10 71 10 71 Gb s FEC11 10 11 1 Gb s FC11317 11 3 Gb s Unfiltered 12 GHz bandwidth 80C12B 10G The 80C12B 10G mod...

Страница 19: ...4546 XX DIAMOND 2 5 UCI adapter 119 4556 XX SMA UCI adapter 119 4557 XX DIAMOND 3 5 UCI adapter 119 4558 XX ST PC UCI adapter 119 4513 XX 3 5 male to 3 5 female SMA 015 0552 XX Slip on SMA connector...

Страница 20: ...ving or handling an optical module or making connections Discharge to ground any electrostatic charge on cables before attaching the cable to the optical module Correct Module Handling Guidelines CAUT...

Страница 21: ...e installed in an instrument to acquire signals NOTE Installing a large module in either large compartment disables some of the small compartment channels Refer to the instrument Online Help for infor...

Страница 22: ...erwise they are lost when powering off the instrument Removing a Module 1 Power off the instrument using the front panel On Standby power switch 2 Plug the grounding strap into the instrument ground c...

Страница 23: ...interface series adapters to couple alternate cable types to the optical module Refer to the Tektronix Web site for details To connect the fiber optic cable to the module optical input 1 Line up the...

Страница 24: ...modules can have dynamic ranges exceeded without obvious visual indication on the waveform because the overloaded signal output of the photodetector may still be within the dynamic range of the intern...

Страница 25: ...e instrument activates turns on the channel If you push the button and the channel is active as a channel waveform then the instrument selects the channel waveform If the channel waveform is already s...

Страница 26: ...outputs Hold Down Screws Hold down screws attach the module to the main instrument Once the hold down screws are loosened use the module slot eject levers to remove the module from a powered down mai...

Страница 27: ...main instrument Figure 4 Vertical Setup dialog boxes DSA8300 NOTE The user interface UI images in this manual are from the DSA8300 instrument The DSA8200 UI although different in appearance has a sim...

Страница 28: ...ic measurements you take This procedure uses internal routines to optimize the vertical offset gain and linearity Overview To perform optical compensations Control elements and resources Prerequisites...

Страница 29: ...s for the main instrument and for all sampling modules listed in the Compensation dialog box when compensation completes Compensation fail actions 12 If Fail appears as the Status rerun the compensati...

Страница 30: ...Access the dark level compensation 3 Click Setup Vertical Run the dark level compensation 4 Click the Dark Level button under Compensation Follow the on screen instructions 5 Repeat steps 2 through 4...

Страница 31: ...to precisely measure and record the custom optical signal power Then connect the signal to the module using the same fiber cables 6 In the Vert Setup dialog box click the User Wavelength Gain button u...

Страница 32: ...ION To prevent damage avoid the use of chemical cleaning agents which might damage the plastics in this instrument Use a 75 isopropyl alcohol solution as a cleaner and wipe with deionized water Use on...

Страница 33: ...sette cleaner such as FI 6270 a FIS tape dispenser cleaner such as FI 7111 an Optipop pipe cleaner such as F1 6364 Cleaning kits for optical connectors such as the Tektronix Optical Connector Cleaner...

Страница 34: ...fiber input for a short distance a centimeter or two 5 Place the UCI adapter back on the cleaned fiber end face Dust cap 6 When the module does not have a fiber cable attached to its input s attach t...

Страница 35: ...286A Clock Recovery module to obtain a clock recovery signal Refer to the CR175A or CR286A module user documentation for triggering information When connecting cables to the BUFFERED outputs make sure...

Страница 36: ...odule outputs a voltage the amplitude of which is linearly dependent on the incoming optical power in this condition the voltage applied at the electrical sampler already represents optical power in i...

Страница 37: ...and optical bandwidth 3 dB 10 log vertical swing at frequency vertical swing at DC Bandwidth for Reference Receiver Settings The curve calculation of frequency response for reference receiver settings...

Страница 38: ...Reference 24 80C12B Optical Sampling Module User Manual...

Страница 39: ...he power out is one half the power out at a frequency near DC The range of frequencies handled by a device or system Bandwidth is a measure of network capacity Analog bandwidth is measured in cycles p...

Страница 40: ...bels is where Vi is the voltage of the incident pulse Vl is the voltage reflected back by the load Po is the power out and Pi is the power in See page 21 Electrical versus Optical Bandwidth dBm A loga...

Страница 41: ...over high purity filaments of glass The bandwidth of fiber optic cable is much greater than that of copper wire Impedance The opposition to an AC signal in the wire Impedance is very much like resista...

Страница 42: ...l conventions that govern the format and control of signals in a communication process Recovered Clock A clock signal derived from and synchronous with a received data sequence Setting The state of th...

Страница 43: ...ischarge cautions 6 Extinction ratio 27 F Features 1 FEC 27 Fiber optics 27 Filter selection 21 Forward Error Correction 27 Front panel controls 11 G Getting started 1 H handling guidelines module 6 H...

Страница 44: ...le 28 SMA connector torque 21 Specifications vii Standard accessories 3 System interaction 10 T Torque BUFFERED connectors 21 Trigger 28 U Usage 9 User adjustments 14 User wavelength compensation how...

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