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Agilent Technologies 83486A User Manual Download Page 57

3-20

Calibration Overview

Complete Calibration Summary

Offset Zero Calibration

Vertical offset is 
calibrated for the 
optical channel only. 
This calibration 
doesn’t include 
vertical scale 
accuracy.

Channels affected: 
optical. Any optical 
vertical measurements 
including: Vp to p, eye 
height, and extinction 
ratio.

Perform a plug-in 
vertical calibration in 
order to meet 
published 
specifications. 
Because the offset 
zero calibration 
performs only the 
offset portion of the 
plug-in vertical 
calibration, it should 
only be used before 
fast non-critical 
measurements.

Optical Channel Setup

Calibrate
Offset 0

 

Dark Calibration

Dark calibration 
measures the channel 
offset signal without 
any light present and 
this value is used in 
the extinction ratio 
algorithm.

Channels affected: 
optical & electrical. 
Extinction ratio.

Before extinction ratio 
measurements if the 
vertical scale or offset 
has changed since the 
last dark calibration or 
after a plug-in vertical 
calibration is 
performed.

Shift, Meas eye

Extinction ratio
Dark Cal 

Probe calibration

Probe Attenuation

Channels affected: 
electrical. Any 
electrical 
measurement taken 
with the probe

Whenever a probe is 
connected

Electrical Channel 
Setup

Calibrate
Calibrate probe

 

Channel Skew

Calibrates out the 
small differences in 
delay between 
channels. Useful for 
looking at timing 
differences between 
channels

Channels affected: 
optical & electrical. 
Multiple channel 
measurements.

Before multiple 
channel 
measurements when 
measuring timing 
differences between 
channels.

Channel Setup

Calibrate
Skew

 

External Scale

Compensates for gain 
or loss associated 
with external devices 
(calibrates vertical 
scale to external 
device

Channels affected: 
optical & electrical. 
Any measurement 
taken through an 
external device 
(component or 
transducer)

Whenever using 
external devices 
(component or 
transducer)

Channel Setup

External Scale

 

a. Refer to “O/E User-Wavelength Calibration” on page 3-9.

Table 3-4. Complete Calibration Summary (2 of 2)

Calibration

What is calibrated

Measurements 
Affected

Recommended 
Interval

Key Path 

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Summary of Contents for 83486A

Page 1: ... underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respective ...

Page 2: ...Agilent83486A Optical ElectricalPlug InModule User sGuide Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ... maintenance by Buyer Buyer supplied software or interfac ing unauthorized modifica tion or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance No other warranty is expressed or implied Agilent Technologies specifically dis claims the implied warranties of merchantability and fitness for a particular purpose Exclusive Remedies Th...

Page 4: ...er connector The purpose of the plug in module is to provide measurement channels including sampling for the mainframe The plug in module scales the input signal sets the bandwidth of the system and allows the offset to be adjusted so the signal can be viewed The output of the plug in module is an analog sig nal that is applied to the ADCs on the acquisition boards inside the mainframe The plug in...

Page 5: ...W on the optical channel or 2 V peak ac 16 dBm on the electrical channel To prevent input damage this specified level must not be exceeded Measurement accuracy it s up to you Fiber optic connectors are easily damaged when connected to dirty or damaged cables and accessories The Agilent 83486A s front panel INPUT connector is no exception When you use improper cleaning and handling techniques you r...

Page 6: ... N I N G This is a Safety Class 1 product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited WAR N I N G No operator servi...

Page 7: ...mperature of the product by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts then forced convection must be used C AUT IO N Always use the three prong ac power cord supplied with this instrument Failure to ensure adequate earth grounding by not using this cord may cause instrument damage C AUT IO N Do not connect ac power unti...

Page 8: ...ing the Channel Setup Menus 2 5 3 Calibration Overview Factory Calibrations 3 4 User Calibrations Optical and Electrical 3 7 Complete Calibration Summary 3 19 4 Specifications and Regulatory Information Specifications 4 3 Characteristics 4 7 Declaration of Conformity 4 8 5 Reference In Case of Difficulty 5 2 Error Messages 5 5 Electrostatic Discharge Information 5 7 Cleaning Connections for Accura...

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Page 10: ...and Accessories 1 7 Menu and Key Conventions 1 8 Step 1 Inspect the Shipment 1 9 Step 2 Install the Plug in Module 1 10 Returning the Instrument for Service 1 11 Getting Started Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 11: ...ons such as temperature C AUT IO N This product is designed for use in INSTALLATION CATEGORY II and POLLUTION DEGREE 2 per IEC 1010 and 664 respectively C AUT IO N The input circuits can be damaged by electrostatic discharge ESD Therefore avoid applying static discharges to the front panel input connectors Before connecting any coaxial cable to the connectors momentarily short the center and outer...

Page 12: ...he User Cal feature provides for consistent accuracy at any wavelength between 1000 nm and 1600 nm using a source and power meter The Agilent 83486A optical electrical plug in module also is a calibrated SONET SDH reference receiver that is measured to conform to ITU TS G 957 and TANWT 000253 frequency response requirements Option 040 or to ref erence receiver specifications for Fibre Channel FC 1...

Page 13: ...rovides calibrated measurement of electrical signals in volts Bandwidths are selectable on both channels to optimize sensi tivity and bandwidth The front panel of the plug in module has two channel inputs and an external trigger input The front panel also has a Probe Power con nector for Agilent 54700 series probes an Aux Power connector for general pur pose use and a key for each channel that dis...

Page 14: ...1 5 Getting Started The Agilent 83486A Optical Electrical Plug In Module Front panel of the plug in module Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 15: ...tage is 2 V peak ac 16 dBm C AUT IO N The input circuits can be damaged by electrostatic discharge ESD Therefore avoid applying static discharges to the front panel input connectors Before connecting any coaxial cable to the connectors momentarily short the center and outer conductors of the cable together Avoid touching the front panel input connectors without first touching the frame of the inst...

Page 16: ...itchable internal filters Optional accessories Agilent 10086A ECL terminator Agilent 11982A high speed lightwave receiver Agilent 54006A 6 GHz divider probe Agilent 54008A 22 ns delay line Agilent 54118A 500 MHz to 18 GHz trigger Agilent 83430A lightwave digital source Agilent 83440B C D high speed lightwave receiver Agilent 83446A B lightwave clock and data receiver Agilent 83447A lightwave trigg...

Page 17: ...ions are indicated by the front panel Shift key followed by for example the Local function above the Stop Single front panel key and will be shown as Shift Local A softkey with On and Off in its label can be used to turn the softkey s function on or off To turn the function on press the softkey so that On is highlighted To turn the function off press the softkey so that Off is highlighted An On or...

Page 18: ... 1810 0118 2 each If your shipment is damaged or incomplete save the packing materials and notify both the shipping carrier and the nearest Agilent Technologies service office Agilent Technologies will arrange for repair or replacement of damaged or incomplete shipments without waiting for a settlement from the transporta tion company Notify the Agilent Technologies customer engineer of any prob l...

Page 19: ... spring loaded so fin ger tighten the knurled screw on the front panel of the plug in module to make sure the plug in is securely seated in the mainframe C AUT IO N Do not use non Agilent Technologies extender cables to operate the plug in module outside of the mainframe The plug in module can be damaged by improper grounding when using extender cables Note If you wish to use the Agilent 83486A op...

Page 20: ... terms of the warranty or contract the warranty is at the front of this manual If the instrument is no longer under warranty or is not covered by an Agilent Technologies mainte nance plan Agilent Technologies will notify you of the cost of the repair after examining the unit When an instrument is returned to a Agilent Technologies service office for servicing it must be adequately packaged and hav...

Page 21: ...ckaging materials other than the original materials Never use styrene pellets as packaging material They do not adequately cushion the instrument or prevent it from shifting in the carton They may also cause instrument damage by generating static electricity 3 Pack the instrument in the original shipping containers Original materials are available through any Agilent Technologies office Or use the...

Page 22: ...ic Air Cap to reduce static electricity Wrapping the instrument several times in this ma terial will protect the instrument and prevent it from moving in the carton 4 Seal the carton with strong nylon adhesive tape 5 Mark the carton FRAGILE HANDLE WITH CARE 6 Retain copies of all shipping papers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

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Page 24: ...2 Channel Setup Menu 2 2 Displaying the Channel Setup Menus 2 5 Channel Setup Menu Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 25: ...ge Refer to Electrostatic Discharge Information on page 5 7 At the top of the plug in module are the Channel keys These keys give you access to the Channel Setup menu for each input The Channel Setup menu is displayed on the right side of the screen when the Channel key is pressed There are several types of softkeys available A description of the different softkeys and their functions is provided ...

Page 26: ...2 3 Channel Setup Menu Channel Setup Menu Figure 2 1 Optical Channel Setup menu Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 27: ...2 4 Channel Setup Menu Channel Setup Menu Figure 2 2 Electrical Channel Setup menu Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 28: ...form area They remain on the display until the channel is turned off or an automatic measurement is performed The automatic mea surement results share the same area of the display as the channel setups When the channel display is off the waveform display for that channel is turned off pulse parameter measurements are stopped and acquisition on that channel is stopped unless it is needed as an oper...

Page 29: ...f the graticule area and the range of offset is 12 times the full resolution chan nel scale For optical channels the offset wattage is the wattage two graticule divisions above the bottom of the screen This is set because unlike voltage displays negative power levels do not exist but the zero power level can be viewed clearly when the offset is set to zero watts You can use the knob arrow keys or ...

Page 30: ...available and can be calibrated in the range from 1000 nm to 1600 nm Refer to Chapter 3 Calibration Overview for additional information on performing a calibration Key Path Channel Bandwidth Wavelength Wavelength Filter This Filter function enables you to switch in different hardware filters to cre ate a calibrated reference receiver for compliance testing Key Path Channel Bandwidth Wavelength Fil...

Page 31: ...er to use external opti cal to electrical converters or attenuators Scaling is automatically adjusted to account for the external device Key Path Channel External scale Atten units The Atten units function lets you select how you want the probe attenuation factor represented The choices are decibel or ratio The formula for calculat ing decibels is Attenuation The Attenuation function lets you sele...

Page 32: ... available choices Key Path Channel External scale Units Ext gain and Ext offset When you select Ampere Watt or unknown on an electrical channel or Volt age on an optical channel two additional functions become available External Gain and External Offset These two additional functions allow you to com pensate for the actual characteristics of the probe rather than the ideal char acteristics For ex...

Page 33: ...ower splitter connected between the channel and trigger inputs Another use for skew is when you are comparing two waveforms that have a timing difference If you are interested in comparing the shapes of two waveforms rather than the actual timing difference you can use Skew to overlay one waveform on top of the other waveform Key Path Channel Calibrate Skew Cal status The Cal status function displ...

Page 34: ...alibration is still valid A calibration can be invalidated if The mainframe has cycled power The plug in has been repaired reprogrammed or removed from the mainframe The instrument s operating temperature has changed and remains more than 5 C from the temperature at which the Plug in calibration was performed Uncalibrated indicates the plug in module vertical calibration is invalid Plug in This fu...

Page 35: ...ule is provided with factory optical calibrations at 1310 nm and 1550 nm The O E cal function allows you to calibrate the instrument for use at one additional user defined wavelength between 1000 nm and 1600 nm This calibration does not affect the factory calibrations Calibrate probe Connect a voltage probe to the plug in and press Calibrate probe The analyzer calibrates to the tip of the probe by...

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Page 37: ...2 14 Channel Setup Menu Calibrate Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 38: ...y Calibrations 3 4 User Calibrations Optical and Electrical 3 7 Complete Calibration Summary 3 19 Calibration Overview Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 39: ...ions A factory calibration consists of verifying instrument perfor mance to all specifications If an instrument fails to meet specifications adjustment or repair may be necessary For most users this will mean ship ping the instrument back to an authorized service center Some users may purchase the required instrumentation and perform the factory timebase cali brations themselves using the optional...

Page 40: ...recommended calibration interval provided that the instru ment is operated within the specified operating environment To maintain specifications periodic recalibrations are necessary We recommend that the plug in module be calibrated at an Agilent Technologies service facility every 12 months Users are encouraged to adjust the calibration cycle based on their particular operating environment or me...

Page 41: ...tion and protected position Refer to the Table 3 1 Factory Calibration Summary Calibration What is calibrated Measurements Affected Recommended Interval Softkey Path Mainframe Calibration Accuracy and continuity of the timescale Channels affected optical electrical All time base measurements such as rise time fall time eye width and jitter Annually at Agilent service center or if operating temp ha...

Page 42: ...n a periodic basis annually or when the ambient operating temperature has changed by and remains 5 C dif ferent than the operating temperature at which the last mainframe calibration was performed To see how much the operating temperature has changed since the last mainframe calibration and the date of the last mainframe calibra tion check the Calibration status by pressing the following key seque...

Page 43: ... calibration O E calibrations should be performed annually Most customers return their optical plug ins to an authorized Agilent Technologies service center for this calibration at the same time they are hav ing their mainframes re calibrated The Agilent 83480 series optical modules have one or two standard wave lengths 850 nm or 1310 1550 nm The O E Calibration function allows you to calibrate th...

Page 44: ...mebase skew monitoring and adjusting internal offsets performing a user defined O E responsivity adjustment C AUT IO N The input circuits can be damaged by electrostatic discharge ESD Avoid applying static discharges to the front panel input connectors Before connecting a coaxial cable to the connectors momentarily short the center and outer connectors of the cable together Avoid touching the fron...

Page 45: ...Calibrate Calibrate Plug in Offset Zero Calibration Vertical offset is calibrated for the optical channel only This calibration doesn tincludevertical scale accuracy Channels affected optical Any optical vertical measurements including Vp to p eye height and extinction ratio Perform a plug in vertical calibration in order to meet published specifications Because the offset zero calibration perform...

Page 46: ...ements Affected Recommended Interval Key Path Probe calibration Probe Attenuation Channels affected electrical Any electrical measurement taken with the probe Whenever a probe is connected Electrical Channel Setup Calibrate Calibrate probe Channel Skew Calibrates out the small differences in delay between channels Useful for looking at timing differences between channels Channels affected optical ...

Page 47: ...ule s front panel optical channel SETUP key 2 Press Bandwidth wavelength and then wavelength 3 Press Usr wavelength and then Enter NOTE The optical channel calibration accuracy is heavily dependent on the accuracy to which you know the optical source power For best results measure the optical source power with an optical power meter such as the Agilent 8153A and use precision optical con nectors I...

Page 48: ...obtain the best measurement results it is recommended that a user verti cal calibration be performed after every 10 hours of continuous use or if the temperature has changed by greater than 2 C from the previous vertical cali bration To view the temperature change This procedure displays the temperature change that the instrument has undergone since the last Plug in Vertical Calibration 1 Press th...

Page 49: ...eful between the plug in module vertical calibrations if the plug in module has not been removed or reinstalled and the operating temperature has not changed more than 5 C In order to ensure that instrument specifications are met perform the plug in vertical calibration Performing an offset zero calibration is much faster than performing a com plete vertical calibration For critical measurements w...

Page 50: ...wing conditions Before any critical extinction ratio measurements are made After a plug in vertical calibration If a module has been removed If the mainframe power has been cycled If extinction ratio measurements are being made after the vertical scale or the offset has changed If the line power has been cycled the dark calibration invokes either the offset zero calibration or plug in vertical cal...

Page 51: ...there is no signal present must be on the screen to perform a dark calibration 2 Press the blue shift key and then the Meas eye softkey which is located beneath the display 3 Press Extinction ratio and then Dark cal Disconnect all inputs from the module including the trigger signal and block any ambient light to the photodetector with a connector plug Follow the instructions on the screen Figure 3...

Page 52: ...plug in module s front panel channel SETUP key 4 Press Calibrate and then Skew 5 Adjust the skew on one of the channels so that the rising edges overlap at the 50 points Probe Calibration Probe calibration applies to electrical measurements only For active probes such as the Agilent 54701A which the instrument can identify through the probe power connector the instrument automatically adjusts the ...

Page 53: ...cable assemblies The instrument calibrates the voltage at the tip of the probe or the cable input To calibrate an Agilent Technologies identifiable probe 1 Press the plug in module s front panel channel SETUP key 2 Press Calibrate and then Calibrate Probe To calibrate a non identifiable probe 1 Connect the voltage probe to the plug in 2 Attach the probe tip to the CAL hook that is located near the...

Page 54: ...l offset to compensate for the actual characteristics of the probe or device If you do not know the actual characteristics you can refer to the typical specifications that came with the probe or device 1 Press the plug in module s front panel channel SETUP key 2 Press External scale 3 Press Atten units Ratio Attenuation 1 1 and then Units Ampere Volt Watt or Unknown 4 Press Ext gain and enter the ...

Page 55: ...justing out the effects of devices such as test fixtures and attenuators so that the reading on the display gives the measurement value associated with only the actual device under test To adjust the external scale 1 Press the plug in module s front panel channel SETUP key 2 Press External scale and set the Atten units to decibel 3 Press Attenuation and enter the appropriate values Figure 3 6 Exte...

Page 56: ...nnel measurements Optical power meter accuracy Annual factory re calibration of standard wavelengths Not user accessible a O E User Wavelength Calibration The photodetector responsivity Channels affected optical All optical channel measurements at user wavelengths Annual re calibration of user defined non factory wavelengths Optical Channel Setup Calibrate O E Cal Plug in Vertical Calibration Vert...

Page 57: ...performed Shift Meas eye Extinction ratio Dark Cal Probe calibration Probe Attenuation Channels affected electrical Any electrical measurement taken with the probe Whenever a probe is connected Electrical Channel Setup Calibrate Calibrate probe Channel Skew Calibrates out the small differences in delay between channels Useful for looking at timing differences between channels Channels affected opt...

Page 58: ... Specifications 4 3 Characteristics 4 7 Declaration of Conformity 4 8 Specifications and Regulatory Information Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 59: ...aracteristics provide useful nonwarranted information about the func tions and performance of the instrument Characteristics are printed in italics Calibration cycle Agilent Technologies designs instruments to meet specifications over the rec ommended calibration interval provided that the instrument is operated within the specified operating environment To maintain specifications peri odic recali...

Page 60: ... 4 hr Timecal c reading dc Difference two marker accuracy on same channel a 12 4 GHz 0 8 of full scale 1 5 of delta marker reading 2 C Tcal b reading 0 4 hr Timecal c reading 20 GHz 0 8 of full scale 3 of delta marker reading 2 C Tcal b reading 0 4 hr Timecal c reading Transition Time 10 to 90 calculated from T 0 35 BW characteristic 12 4 GHz 28 2 ps 20 GHz 17 5 ps Maximum RMS Noise 12 4 GHz 0 5 m...

Page 61: ...ue to time typically stabilizes after 24 hours This term goes to zero upon execution of a vertical calibration Table 4 1 HP 83486A Electrical Channel Vertical Specifications Continued Table 4 2 HP 83486A Optical Channel Vertical Specifications Bandwidth 3 dB dc to 2 85 GHz dc to 3 0 GHz characteristic Maximum Specified Peak Input Powera Continuous Wave Modulated 0 6 mW 2 2 dBm 0 4 mW 4 dBm dc Accu...

Page 62: ...100 nW power meter uncertainty Maximum Safe Input 10 mW peak Wavelength Range 1000 to 1600 nm a Exceeding the specified input power level will cause waveform distortion b Referenced to average power monitor c It is recommended that a user vertical calibration be performed after every 10 hours of continuous use or if the temperature has changed by greater than 2 C from the previous vertical calibra...

Page 63: ... C Humidity Operating Non operating up to 90 relative humidity non condensing at 35 C up to 95 relative humidity non condensing at 65 C Table 4 4 Power Requirements Supplied by mainframe Table 4 5 Weight Net approximately 1 2 kg 2 6 lb Shipping approximately 2 1 kg 4 6 lb Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 64: ... complete probe characteristics Refer to the Agilent 83480A 54750A User s Guide for trigger specifications Table 4 6 Trigger Input Characteristics for Electrical and Optical Channels Nominal Impedance 50 Ω Input Connector 3 5 mm m Trigger Level Range 1 V Maximum Safe Input Voltage 2 Vdc ac peak 16 dBm Percent Reflection 10 for 100 ps rise time Artisan Technology Group Quality Instrumentation Guara...

Page 65: ...4 8 Specifications and Regulatory Information Declaration of Conformity Declaration of Conformity Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 66: ...es 5 5 Electrostatic Discharge Information 5 7 Cleaning Connections for Accurate Measurements 5 9 Agilent Technologies Service Offices 5 19 Reference Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 67: ...rding electrostatic discharge ESD procedures for cleaning both optical and electrical connections and a list of Agilent Technologies service offices If the mainframe does not operate Make the following checks Is the line fuse good Does the line socket have power Is the unit plugged in to the proper ac power source Is the mainframe turned on Is the rear panel line switch set to on Will the mainfram...

Page 68: ...f any signals are present at the channel inputs by pressing Trigger Sweep freerun After viewing the signal press triggered Make sure Channel Display is on by pressing Channel Display on off on Make sure the channel offset is adjusted so the waveform is not clipped off the display If you are using the plug in module only as a trigger source make sure at least one other channel is turned on If all o...

Page 69: ...gies service office refer to Agilent Technologies Service Offices on page 5 19 If the mainframe firmware is current and the plug in module is correctly installed then the memory contents of the plug in module are corrupt Contact a qualified service department If all of the above steps check out okay and the plug in module still does not operate properly then the problem is beyond the scope of this...

Page 70: ...ead the contents of the memory in the plug in 1 Remove and reinstall the plug in module Each time a plug in is installed the mainframe re reads the memory in the plug in module 2 Verify the plug in module is firmly seated in the mainframe slot 3 Verify the knurled screws at the bottom of the plug in module are finger tight 4 Install the plug in in a different slot in the mainframe Busy timeout occ...

Page 71: ...is firmly seated in the mainframe slot 3 Verify the knurled screws at the bottom of the plug in module are finger tight 4 The standard Agilent 54750A mainframe does not accept the Agilent 83486A optical electrical plug in module To use the module a firmware upgrade must first be installed Order the Agilent 83480K communications firmware kit and install according to the instructions 5 The Agilent 8...

Page 72: ...igure shows an example of a static safe work station using two types of ESD protection Conductive table mat and wrist strap combination Conductive floor mat and heel strap combination Both types when used together provide a significant level of ESD protection Of the two only the table mat and wrist strap combination provides adequate ESD protection when used alone Artisan Technology Group Quality ...

Page 73: ...reater than 500 volts Table 5 1 Static Safe Accessories Agilent Part Number Description 9300 0797 3M static control mat 0 6 m 1 2 m 2 ft 4 ft and 4 6 cm 15 ft ground wire The wrist strap and wrist strap cord are not included They must be ordered separately 9300 0980 Wrist strap cord 1 5 m 5 ft 9300 1383 Wrist strap color black stainless steel without cord has four adjustable links and a 7 mm post ...

Page 74: ... in position against another identical ferrule Connectors also vary in the polish curve and concentricity of the core within the cladding Mating one style of cable to another requires an adapter Agilent Technologies offers adapters for most instruments to allow testing with many different cables Figure 5 1 on page 5 10 shows the basic components of a typical connectors The system tolerance for ref...

Page 75: ...i ability and cost If properly maintained and cleaned this connector can withstand many repeated connections However many instrument specifications require tighter tolerances than most connectors including the FC PC style can deliver These instruments cannot tolerate connectors with the large non concentricities of the fiber common with ceramic style ferrules When tighter alignment is required Agi...

Page 76: ...ilver allows an active centering process that permits the glass fiber to be moved to the desired position This process first stakes the soft nickel silver to fix the fiber in a near center location then uses a post active staking to shift the fiber into the desired position within 0 2 µm This process plus the keyed axis allows very precise core to core alignments This connector is found on most Ag...

Page 77: ...il can have a significant effect on connector performance Where many repeat connections are required use of a connector saver or patch cable is recommended Figure 5 4 shows the end of a clean fiber optic cable The dark circle in the center of the micrograph is the fiber s 125 µm core and cladding which carries the light The surrounding area is the soft nickel silver ferrule Figure 5 5 shows a dirt...

Page 78: ...surements on a fiber optic system Never use metal or sharp objects to clean a connector and never scrape the connector Avoid matching gel and oils Figure 5 4 Clean problem free fiber end and ferrule Figure 5 5 Dirty fiber end and ferrule from poor cleaning Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 79: ...n as straight a line as possible Tipping and inserting at an angle can scrape material off the inside of the connector or even break the inside sleeve of connectors made with ceramic material When inserting a fiber optic connector into a connector make sure that the fi ber end does not touch the outside of the mating connector or adapter Avoid over tightening connections Unlike common electrical c...

Page 80: ... degradation A smooth polished fiber end should pro duce a good return loss measurement The quality of the polish establishes the difference between the PC physical contact and the Super PC con nectors Most connectors today are physical contact which make glass to glass connections therefore it is critical that the area around the glass core be clean and free of scratches Although the major area o...

Page 81: ...ps for cleaning fiber optic cables and Agilent Technologies universal adapters The initial cleaning using the alcohol as a solvent gently removes any grit and oil If a caked on layer of material is still present this can happen if the beryllium copper sides of the ferrule retainer get scraped and deposited on the end of the fiber during insertion of the cable a second cleaning should be performed ...

Page 82: ... the fiber end with the swab or lens paper Do not scrub during this initial cleaning because grit can be caught in the swab and become a gouging element 5 Immediately dry the fiber end with a clean dry lint free cotton swab or lens paper 6 Blow across the connector end face from a distance of 6 to 8 inches using filtered dry compressed air Aim the compressed air at a shallow angle to the fiber end...

Page 83: ...fferent types of fiber optic cables Figure 5 7 Universal adapters 1 Apply isopropyl alcohol to a clean foam swab Cotton swabs can be used as long as no cotton fibers remain after cleaning The foam swabs listed in this section s introduction are small enough to fit into adapters Although foam swabs can leave filmy deposits these deposits are very thin and the risk of other contamination buildup on ...

Page 84: ...mbers Austria 01 25125 7171 Belgium 32 2 778 37 71 Brazil 11 7297 8600 China 86 10 6261 3819 Denmark 45 99 12 88 Finland 358 10 855 2360 France 01 69 82 66 66 Germany 0180 524 6330 India 080 34 35788 Italy 39 02 9212 2701 Ireland 01 615 8222 Japan 81 426 56 7832 Korea 82 2 3770 0419 Mexico 5 258 4826 Netherlands 020 547 6463 Norway 22 73 57 59 Russia 7 095 797 3930 Spain 34 91 631 1213 Sweden 08 5...

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Page 86: ...2 9 setup 1 2 2 2 Channel 1 Calibration Status message 2 11 Channel autoscale softkey 2 8 Channel key 1 2 2 2 classification product v cleaning adapters 5 18 cabinet v fiber optic connections 5 9 5 17 non lensed connectors 5 17 compressed dust remover 5 16 connector care 5 9 cotton swabs 5 16 Current Date message 2 11 Current Frame Delta Temp 2 11 customer assistance vi D damaged shipment 1 9 deci...

Page 87: ... plug in message 2 11 plug in module features iii front panel 1 4 purpose iii serial number 1 9 plug in module vertical calibration 3 11 power level 2 6 maximum input iv probe attenuation 2 8 2 12 attenuation factor 2 8 characteristics 2 9 power 2 6 power connector 1 4 probe calibration 3 14 3 15 pulse parameter measurements 2 5 R regulatory information 4 2 returning for service 1 11 S safety v la...

Page 88: ...9 user calibrations 3 7 V vertical measurement 2 9 scale 2 5 2 8 waveform 2 6 voltage measurement 2 8 probe 2 12 voltage probe calibration 3 15 W wattage measurement 2 8 waveform display 2 5 horizontal 2 10 Wavelength key 2 7 wavelength settings 2 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

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Page 90: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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