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Agilent Technologies 11982A, Operation And Service Manual, Page: 30 / 70

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Summary of Contents for 11982A

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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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Page 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...

Page 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...

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