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4-8

Verification and Service Information

Service Information

Service Information 

This section describes how to service the Agilent 11982A. It contains the fol-
lowing service information: 

• General Information. 
• Adjustment Procedure. 
• Troubleshooting. 
• Replacement Procedures. 
• Replaceable Parts. 

General Information 

Serial-Number 
Information 

Whenever you contact Agilent Technologies about your lightwave converter, 
have the complete serial number and option designation available. This will 
ensure that you obtain accurate service information. See 

“Serial Numbers” on 

page 1-8

 for more information. 

Manual Updating 
Supplement 

Manual Updating Supplements are periodically produced by the Agilent Tech-
nologies to maintain manual accuracy. The updating supplement provides ser-
vice information that has not yet been incorporated into a revised manual. If a 
Manual Updating Supplement has been produced for a specific version of the 
manual, it will be shipped with the manual. 

Any changes that affect information in this manual are documented in the 
Manual Updating Supplement for this manual. This may include information 
for instruments manufactured after this manual was printed. The Manual 
Updating Supplement may also contain information for correcting errors in 
the manual. 

To keep your manual as accurate as possible, periodically request the latest 
Manual Updating Supplement from your nearest Agilent Technologies Service 
Office. 

Содержание 11982A

Страница 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...

Страница 2: ...Agilent 11982A Amplified Lightwave Converter Operation and Service Manual...

Страница 3: ...defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfac ing unauthorized modifica tion or misuse operation outside of the environmental specifications fo...

Страница 4: ...ck disconnect the Agilent 11982A from mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally WAR N I N G This is...

Страница 5: ...ter 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 co...

Страница 6: ...Installation and Preparation for Use Preparing the Agilent 11982A for Use 2 2 Power Cords 2 7 Turning on the Agilent 11982A 2 9 3 Time Domain Measurements Connecting the Agilent 11982A to an Oscillos...

Страница 7: ......

Страница 8: ...1982A Lightwave Converter 1 2 Accessories 1 4 Agilent 11982A Specifications and Characteristics 1 5 Serial Numbers 1 8 Cleaning Connections for Accurate Measurements 1 9 Electrostatic Discharge Inform...

Страница 9: ...al to elec trical converter for lightwave frequency domain and time domain measure ments and can be used with oscilloscopes spectrum analyzers and network analyzers The Agilent 11982A covers the wavel...

Страница 10: ...and opto electronic components and optical system level performance The Agilent 11982A provides dc cou pling with 20 dB electrical gain and 15 GHz bandwidth The Agilent 83480 series and Infiniium DCA...

Страница 11: ...nnector interfaces available You must specify one of the following connector interfaces when ordering your Agilent 11982A Diamond HMS 10 Connector Interface Option 011 PC FC Connector Interface Option...

Страница 12: ...e over the temperature range 0 C to 55 C unless otherwise noted All specifications apply after the instru ment s temperature has been stabilized after 30 minutes of continuous opera tion Characteristi...

Страница 13: ...t to 3 7 W in a 15 GHz bandwidth 30 pW Input Return Loss characteristic with HMS 10 connector 23 dB Aberrations characteristic 20 peak to peak Corrected RF Frequency Responsec dc to 22 GHz c Correctio...

Страница 14: ...e in compliance with the requirements of FTZ 1046 CISPR Pub 11 1975 and MIL STD 461C Part 7 Methods CE03 and RE02 Power Requirements 100 120 220 or 240 Vac 10 47 to 63 Hz Power consumption 75 VA Weigh...

Страница 15: ...e serial number and the options installed in the lightwave con verter The serial number has two parts the prefix the first four numbers and a letter and the suffix the last five numbers See Figure 1 2...

Страница 16: ...in the mechanical assembly that holds the ferrule in position against another identical ferrule Connectors also vary in the polish curve and concentricity of the core within the cladding Mating one s...

Страница 17: ...presents a good compromise between performance reli ability and cost If properly maintained and cleaned this connector can withstand many repeated connections However many instrument specifications re...

Страница 18: ...ction of the Diamond HMS 10 connector The nickel silver allows an active centering process that permits the glass fiber to be moved to the desired position This process first stakes the soft nickel si...

Страница 19: ...e end of the fiber any stray particles or finger oil can have a significant effect on connector performance Where many repeat connections are required use of a connector saver or patch cable is recomm...

Страница 20: ...ieve the best possible performance when making measurements 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 Fig...

Страница 21: ...er optic cable into a connector gently insert it in 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...

Страница 22: ...erformance they can be used to determine connector degradation A smooth polished fiber end should pro duce a good return loss measurement The quality of the polish establishes the difference between t...

Страница 23: ...nectors The procedures in this section provide the proper steps for cleaning fiber optic cables and Agilent Technologies universal adapters The initial cleaning using the alcohol as a solvent gently r...

Страница 24: ...clean lint free cotton swab or lens paper 4 Clean 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 eleme...

Страница 25: ...adapters allow you to connect the instrument to different types of fiber optic cables Figure 1 9 Universal adapters 1 Apply isopropyl alcohol to a clean foam swab Cotton swabs can be used as long as n...

Страница 26: ...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 provi...

Страница 27: ...vicing operations Before connecting any coaxial cable to an analyzer connector for the first time each day momentarily ground the center and outer conductors of the cable Personnel should be grounded...

Страница 28: ...h grounded to prevent build up of static charge Table 1 5 on page 1 21 lists static safe accessories that can be obtained from Agilent Technologies by using the Agilent part numbers shown Static Safe...

Страница 29: ......

Страница 30: ...nspection 2 2 Connecting the Agilent 11982A to a Power Source 2 4 Power Requirements 2 4 Setting the Line Voltage Selector 2 4 Checking the Fuse 2 5 Power Cable 2 6 Power Cords 2 7 Turning on the Agil...

Страница 31: ...ssories shipped with the lightwave converter If the contents are incomplete or if the lightwave converter does not pass the verification test this procedure is pro vided in Chapter 4 Verification and...

Страница 32: ...ls Item Description Agilent Part Number 1 Outer Carton 9211 6485 2 Foam Pad Set 9220 4805 Table 2 2 Accessories Supplied with the Agilent 11982A but not shown Description Agilent Part Number Comments...

Страница 33: ...could result Power Requirements Setting the Line Voltage Selector Use the following procedure to set the Agilent 11982A s voltage selector to the voltage range 100 120 220 or 240 V corresponding to t...

Страница 34: ...er so the desired line voltage value shows through the small opening in the fuse holder door Checking the Fuse The recommended fuse is a 0 5 A 250 V slow blow Agilent Technologies part number 2110 020...

Страница 35: ...ly into a socket outlet that has a protective earth contact DO NOT defeat the earth grounding protection by using an extension cable power cable or autotransformer without a protective ground conducto...

Страница 36: ...nt Gray Mint Gray Coco Brown East and West Europe Saudi Arabia So Africa India unpolarized in many nations 125V 8120 1378 8120 1521 8120 1992 Straight NEMA5 15P 90 Straight Medical UL544 90 228 90 228...

Страница 37: ...outh Africa India 100V 8120 4753 8120 4754 Straight MITI 90 90 230 90 230 Dark Gray Japan Plug Type Cable Part No Plug Description Length in cm Color Country Part number shown for plug is the industry...

Страница 38: ...ng the line switch The green light emitting diode LED should light If the LED should fail to light see Chapter 4 Verification and Service Information Figure 2 4 The Agilent 11982A Front Panel Table 2...

Страница 39: ......

Страница 40: ...3 Connecting the Agilent 11982A to an Oscilloscope 3 2 Changing the Oscilloscope Display Units to Watts of Optical Power 3 4 Time Domain Measurements...

Страница 41: ...id coax cable 4 Clean the optical connectors Cleaning Connections for Accurate Measurements on page 1 9 5 Connect the optical connector interface to the OPTICAL INPUT Notice that the connector interfa...

Страница 42: ...oscope C AUT IO N Do not exceed the maximum input to the Agilent 11982A s OPTICAL INPUT The maximum input power is shown on the front panel of the Agilent 11982A NOTE Consult the oscilloscope document...

Страница 43: ...some oscilloscopes The oscilloscope display can still be con verted to watts by dividing the oscilloscope s reading in volts by the respon sivity To change the oscilloscope s display units to watts y...

Страница 44: ...2A Calibration Chart Table 3 1 The Agilent 11982A Calibration Chart Index Number Description 1 Serial number of the Agilent 11982A 2 Calibration date of the Agilent 11982A 3 Frequency response of the...

Страница 45: ......

Страница 46: ...Instrument for Service 4 4 Preparing the instrument for shipping 4 4 Agilent Technologies Service Offices 4 7 Service Information 4 8 General Information 4 8 Adjustment Procedure 4 10 Troubleshooting...

Страница 47: ...the 50 load from the Agilent 11982A without the laser connected to its input This voltage represents the output offset voltage and it should be within the specifications in Table 1 1 on page 1 6 4 Con...

Страница 48: ...ctors are being used with the Agilent 11982A are they connected properly and operating correctly 7 Review the procedure for the test being performed when the problem appeared Are all the settings corr...

Страница 49: ...gies maintenance contract it will be repaired under the 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...

Страница 50: ...t C AUT IO N Instrument damage can result from using packaging materials other than the original materials Never use styrene pellets as packaging material They do not adequately cushion the instrument...

Страница 51: ...tic sheet filled with air bubbles Use the pink antistatic Air Cap to reduce static electricity Wrapping the instrument several times in this ma terial will protect the instrument and prevent it from m...

Страница 52: ...f the numbers listed below Agilent Technologies Service Numbers 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 Franc...

Страница 53: ...ent Manual Updating Supplements are periodically produced by the Agilent Tech nologies to maintain manual accuracy The updating supplement provides ser vice information that has not yet been incorpora...

Страница 54: ...receptacle The power cable outlet plug must be inserted into a power line outlet socket that has a protective earth contact DO NOT defeat the earth grounding protection by using an extension cable pow...

Страница 55: ...tage you can be killed or seriously injured if you contact them when power is applied 1 On the power supply board connect the multimeter between the OUT terminal ground and the OUT terminal of E2 on t...

Страница 56: ...uces the photocurrent The photocurrent is amplified by the dc to 22 GHz preamplifier If the photodetector and electrical amplifier unit fails the Agilent 11982A must be returned to Agilent Technologie...

Страница 57: ...tion contains the replacement procedures for the following assem blies RF Cable and RF connector AC cable assembly Power supply Table 4 2 Voltages on the dc Power Supply Terminals Terminal Description...

Страница 58: ...tighten Replacing the ac Cable Assembly The ac cable assembly consists of the line module the line switch and the cable harness When replacing the ac cable assembly unsolder the connec tions to the dc...

Страница 59: ...Attachment from the Line Module Cable Color 1 ac power harness White brown gray 2 ac power harness Gray 3 dc power supply labeled 5 White 4 dc power supply labeled 4 Yellow 5 dc power supply labeled 3...

Страница 60: ...ew power supply Figure 4 3 Wiring Diagram for the Power Supply Terminals Table 4 5 DC Power Supply Terminal Connections Index Number Cable Attachment Cable Color 1 E2 OUT to the photodetector and elec...

Страница 61: ...Part number check digit CD 4 Description of the assembly Part Ordering Information To order an assembly or mechanical part listed in this chapter quote the Agi lent Technologies part number and the c...

Страница 62: ...e through your local Agilent Technologies office Direct Phone Order System Within the USA a phone order system is available for regular and hotline replacement parts service A toll free phone number i...

Страница 63: ...4 18 Verification and Service Information Service Information Figure 4 4 Agilent 11982A Assembly Level Replaceable Parts...

Страница 64: ...D MOUNT NOT SHOWN 10 5001 0538 8 TRIM SIDE 11 5021 8413 6 FRONT FRAME 11982 00002 8 FRONT PANEL SUB NOT SHOWN 12 5041 8803 0 TRIM TOP 13 5062 3805 6 SIDE COVER 14 11982 20002 0 CABLE RF 15 11982 60001...

Страница 65: ...4 20 Verification and Service Information Service Information Figure 4 5 Agilent 11982A Replaceable Hardware Figure 4 6 Back of Front Frame...

Страница 66: ...1 5 SCREW MACH M4 0 X 6MM FLAT HD 2 0515 0866 9 SCREW MACH M3 0 X 8MM PAN HD 3 0515 1090 3 SCREW MACH M3 5 X 8MM PAN HD 4 0515 0889 6 SCREW MACH M3 5 X 6MM FLAT HD 5 0380 0019 7 STANDOFFS NUTS AND LOC...

Страница 67: ......

Страница 68: ...ctor care 1 9 interfaces 1 4 cotton swabs 1 16 crowbar overvoltage mode 4 11 current limiting 4 11 D description Agilent 11982A lightwave converter 1 2 Diamond connector interface 1 4 DIN 47256 connec...

Страница 69: ...or connector servicing 4 13 S safety iii considerations 4 9 laser classification iii sales and service offices 4 7 serial numbers 1 8 service 4 4 assembly level parts 4 18 information 4 8 options 4 3...

Страница 70: ...uipment 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 documentat...

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