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Agilent Technologies 85051B, Руководство пользователя и сервисное руководство

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5- 2

85051B

Troubleshooting

Troubleshooting Process

Troubleshooting Process

If your PNA does not pass performance verification, follow the steps in

Figure 5-1

 to determine the cause of the failure and the correct action to take to correct the failure.

Содержание 85051B

Страница 1: ...y to 85051B Verification Kits that have serial number prefix 2815A The verification devices in this kit are individually serialized Manufacturing Part Number 85051 90031 Printed in USA Print Date August 2012 Supersedes July 2007 Copyright 1995 2002 2007 2012 Agilent Technologies Inc All rights reserved ...

Страница 2: ... or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 June 1987 or any equivalent agency regulation or contract clause Use duplication or disclosure of Software is subject to Agilent Technologies standard commercial license terms and non DOD Departments and Agencies of the U S Government will receive no greater than Restricted Rights as d...

Страница 3: ... the Web To print copies of documentation from the Web download the PDF file from the Agilent web site Go to www agilent com Enter the document s part number located on the title page in the Search box Click Search Open the PDF and print the document ...

Страница 4: ...iv 85051B ...

Страница 5: ...isual Inspection 3 3 Look for Obvious Defects and Damage First 3 3 Inspect the Mating Plane Surfaces 3 3 Cleaning Connectors 3 4 Gaging Connectors 3 6 Connector Gage Accuracy 3 6 When to Gage Connectors 3 6 Reading the Connector Gage 3 7 Gaging Procedure 3 8 Gaging the Airline 3 10 Making Connections 3 12 How to Make a Connection 3 12 Connecting the Airline 3 14 How to Separate a Connection 3 17 H...

Страница 6: ...Contents 85051B vi Returning a Kit or Device to Agilent 5 4 Contacting Agilent 5 5 6 Replaceable Parts Introduction 6 2 ...

Страница 7: ...85051B 1 1 1 General Information ...

Страница 8: ...list of replaceable part numbers IMPORTANT Backup copies of the data sheets anti virus scan reports and the data contained on the USB drive should be made immediately upon receipt of the verification kit NOTE A file containing the verification data for your kit is maintained for one year from the time of measurement If you lose this data contact Agilent See Contacting Agilent on page 5 5 Calibrati...

Страница 9: ...ing Inspection Verify that the shipment is complete by referring to the contents list in the shipping container Check for damage The foam lined storage case provides protection during shipping Verify that this case and its contents are not damaged If the case or any device appears damaged or if the shipment is incomplete contact Agilent Technologies See Contacting Agilent on page 5 5 Agilent will ...

Страница 10: ...ice Record these serial numbers in Table 1 1 Recording the serial numbers will prevent confusing the devices in this kit with similar devices from other kits Table 1 1 Serial Number Record for the 85051B Device Serial Number Verification kit 20 dB attenuator 50 dB attenuator 50 airline 25 mismatch airline ___________________________ ___________________________ ___________________________ _________...

Страница 11: ...connector gage has a female connector on the gage so that it can measure male devices Preventive Maintenance The best techniques for maintaining the integrity of the devices in this kit include routine visual inspection cleaning proper gaging proper connection techniques All of these are described in Chapter 3 Use Maintenance and Care of the Devices Failure to detect and remove dirt or metallic pa...

Страница 12: ...1 6 85051B General Information Clarifying the Terminology of a Connector Interface ...

Страница 13: ...85051B 2 1 2 Specifications ...

Страница 14: ... factor in their performance and must be stable before use IMPORTANT Avoid unnecessary handling the devices during use because your fingers are a heat source Table 2 1 Environmental Requirements Parameter Required Values Ranges Temperature Operatinga a The temperature range over which the calibration standards maintain conformance to their specifications 20 C to 26 C Storage 40 C to 71 C Error cor...

Страница 15: ...y improper pin depth when the kit leaves the factory Gaging Connectors on page 3 6 explains how to use gages to determine if the kit devices have maintained their mechanical integrity Refer to Table 2 2 on page 2 4 for typical and observed pin depth limits Center Conductors In 7 mm connectors the maximum allowable protrusion of the center conductor with the center conductor collet in place is 0 01...

Страница 16: ... are shown in Figure 2 2 This outer conductor is common to both airlines Two conductors are provided with the kit The dimensions of the 50 airline and the 25 mismatch airline are shown in Figure 2 3 and Figure 2 4 CAUTION The center and outer conductors of the airlines in this kit have been mechanically measured and matched Do not use the center or outer conductors provided in this kit with a cent...

Страница 17: ...nter Conductor Dimension millimeters inches D 7 000 0 004 0 2756 0 00015 L 99 898 0 025 3 933 0 0010 Dimension millimeters inches d 3 04 0 0025 0 1197 0 00010 L 0 0025 0 010 0 00010 0 0004 Dimension millimeters inches d 3 04 0 008 0 1197 0 0003 d1 4 613 0 005 0 1816 0 0002 l1 74 93 0 019 2 950 0 0007 l2 12 514 0 050 0 4927 0 0020 L 0 0025 0 0100 0 0001 0 0004 ...

Страница 18: ...measurement system These factory measurements are traceable to the National Institute of Standards and Technology NIST through mechanical and electrical paths for more information on traceability contact Agilent Technologies Refer to Contacting Agilent on page 5 5 The factory measured data for each device is supplied in print and on USB drive with your kit ...

Страница 19: ...85051B 3 1 3 Use Maintenance and Care of the Devices ...

Страница 20: ...nd devices or when making connections to the test set always use a grounded conductive table mat while making connections always wear a heel strap when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground the center conductor of a test cable before making a connection to the analyzer test port or other static sensitive...

Страница 21: ...ctor wear is caused by connecting and disconnecting the devices The more use a connector gets the faster it wears and degrades The wear is greatly accelerated when connectors are not kept clean or are not connected properly Connector wear eventually degrades performance of the device Calibration devices should have a long life if their use is on the order of a few times per week Replace devices wi...

Страница 22: ...ic Discharge on page 3 2 for additional information 2 Clean the Connector Threads WARNING Keep isopropyl alcohol away from heat sparks and flame Store in a tightly closed container It is extremely flammable In case of fire use alcohol foam dry chemical or carbon dioxide water may be ineffective Use isopropyl alcohol with adequate ventilation and avoid contact with eyes skin and clothing It causes ...

Страница 23: ...int free cleaning swab b Clean the center and outer conductor mating plane surfaces Refer to Figure 2 1 on page 2 3 When cleaning a female connector avoid snagging the swab on the center conductor contact fingers by using short strokes c Let the alcohol evaporate then blow the connector dry with a gentle stream of clean low pressure compressed air or nitrogen Always completely dry a connector befo...

Страница 24: ...tations on the connector Even then the resultant average can be in error by as much as 0 0001 inch due to systematic biasing errors usually resulting from worn gages and gage masters As the gages undergo more use the systematic errors can become more significant in the accuracy of the measurement When to Gage Connectors Gage a connector at the following times Prior to using a device for the first ...

Страница 25: ...multiples of 0 01 inch In most connector measuring applications this value will be zero When making a measurement the gage dial indicator will travel in one of two directions If the center conductor is recessed from the zero reference plane the indicator will move counterclockwise to indicate the amount of recession which is read as a negative value If the center conductor protrudes the indicator ...

Страница 26: ...ter is aligned with the zero mark d Tighten the dial lock screw and remove the gage master e Attach and torque the gage master to the gage once again to verify that the setting is repeatable Remove the gage master 4 Gage the device connector refer to Figure 3 3 a While holding the gage by the barrel and without turning the gage or the device connect the gage master to the gage Refer to Making Conn...

Страница 27: ...Maintenance and Care of the Devices Gaging Connectors e Compare the average reading with the pin depth specifications listed in Table 2 2 on page 2 4 f Remove the device from the gage Figure 3 3 Gaging 7 mm Connectors ...

Страница 28: ...o Figure 3 4 Figure 3 4 Gaging the Short Circuit 3 Gently tap the gage to settle the meter movement 4 Adjust the dial on the gage to read flush 0 000 with the short circuit connected 5 Remove the short circuit from the gage and attach the short circuit to the outer conductor of the airline Refer to Figure 3 5 6 Remove the centering pins from the airline center conductor and slide the centering bea...

Страница 29: ...OTE The reading on the gage is an estimate of the actual recession of the center conductor Gage accuracy is typically 0 0001 inch Disconnect the airline from the gage and short circuit 1 Remove one device from the airline and replace the plastic cap on the airline to prevent the center conductor from sliding out of the outer conductor 2 Remove the device from the other end of the airline If you wo...

Страница 30: ...t port fully extend that connector sleeve and fully retract the sleeve on the moveable connector 6 Carefully align the connectors As you make the actual connection be sure the connectors align perfectly 7 Push the connectors straight together Do not twist or screw the connectors together 8 Engage the connector nut of the connector with the retracted sleeve over the threads of the other connector t...

Страница 31: ...h wrenches within 90 degrees of each other before applying force See Figure 3 6 Wrenches opposing each other greater than 90 degrees apart will cause a lifting action which can misalign and stress the connections of the devices involved This is especially true when several devices are connected together Figure 3 6 Wrench Positions 2 Hold the torque wrench lightly at the end of the handle only beyo...

Страница 32: ...TE Detachable spring loaded tips are supplied with the center conductors of both the airline and mismatch airline in your 85051B kit Do not use these tips when connecting the airlines to the TRL adapters supplied in the 85050C 7 mm Precision Calibration Kit When you are using these airlines to verify analyzer performance affected with the 85050 7 mm Precision Calibration Kit substitute the normal ...

Страница 33: ...th center conductors 5 Insert the center conductor into the outer conductor so that the mark on the center conductor is closest to the A end of the outer conductor See Figure 3 8 Do not let the center conductor scrape the edge of the outer conductor or damage may result 6 Bring the A end of the airline to the port 1 cable Gently press on the cap at the B end of the airline so that the center condu...

Страница 34: ... port 2 cable 9 Align the center conductor of the port 2 cable connector with the center conductor of the airline Insert the tip of the airline center conductor into the center conductor of the port 2 cable connector 10 Mate the outer conductors of the port 2 cable connector and airline finger tight 11 Torque the cable connectors as shown in Figure 3 11 on page 3 17 To keep the airline from turnin...

Страница 35: ...nt the device body from turning 2 Use another open end wrench to loosen the connector nut 3 Complete the disconnection by hand turning only the connector nut 4 Pull the connectors straight apart without twisting rocking or bending either of the connectors NOTE If disconnecting an airline and the airline center conductor does not disengage from the device center conductor gently pull the center con...

Страница 36: ... and airlines loose in a box or in a desk or bench drawer This is the most common cause of connector damage during storage Do not touch mating plane surfaces Natural skin oils and microscopic particles of dirt are easily transferred to a connector interface and are very difficult to remove Do not set connectors contact end down on a hard surface The plating and the mating plane surfaces can be dam...

Страница 37: ...85051B 4 1 4 Performance Verification ...

Страница 38: ...rial properties are carefully modeled to give very accurate electrical representation The mechanical measurements are then traced to NIST through various plug and ring gages and other mechanical measurements 2 Each device is electrically tested on this system For the initial before sale testing of the devices Agilent includes the test measurement uncertainty as a guardband to guarantee each device...

Страница 39: ...Technologies See Contacting Agilent on page 5 5 How Often to Recertify The suggested initial interval for recertification is 12 months or sooner The actual need for recertification depends on the use of the kit After reviewing the results of the initial recertification you may establish a different recertification interval that reflects the usage and wear of the kit NOTE The recertification interv...

Страница 40: ...4 4 85051B Performance Verification Recertification ...

Страница 41: ...85051B 5 1 5 Troubleshooting ...

Страница 42: ...ing Troubleshooting Process Troubleshooting Process If your PNA does not pass performance verification follow the steps in Figure 5 1 to determine the cause of the failure and the correct action to take to correct the failure ...

Страница 43: ...85051B 5 3 Troubleshooting Troubleshooting Process Figure 5 1 Troubleshooting Flowchart ...

Страница 44: ... kit replacement parts Where to Look for More Information This manual contains limited information about PNA series network analyzer system operation For detailed information on using a PNA refer to the PNA Help system To do so press the Help key on the front panel of the PNA If you need additional information see Contacting Agilent on page 5 5 Returning a Kit or Device to Agilent If your kit or d...

Страница 45: ...e on the Web at www agilent com find assist If you do not have access to the Internet please contact your Agilent field engineer NOTE In any correspondence or telephone conversation refer to the Agilent product by its model number and full serial number With this information the Agilent representative can determine whether your product is still within its warranty period ...

Страница 46: ...5 6 85051B Troubleshooting Contacting Agilent ...

Страница 47: ...85051B 6 1 6 Replaceable Parts ...

Страница 48: ...ephone or send your order to Agilent Technologies See Contacting Agilent on page 5 5 Table 6 1 Replaceable Parts for the 85051B 7 mm Verification Kit Description Qty Per Kit Agilent Part Number Attenuators 20 dB attenuator with data 1 85051B R01 50 dB attenuator with data 1 85051B R02 Airlines 50 airline with data 1 85051B R03 25 mismatch airline with data 1 85051B R04 Miscellaneous Items Open end...

Страница 49: ...C Cal Kit Or 85050 80007 85050B and 85050D Cal Kit ESD Protection Devices Grounding wrist strapb 1 9300 1367 5 ft grounding cord for wrist strapb 1 9300 0980 2 x 4 ft conductive table mat and 15 ft ground wireb 1 9300 0797 Connector Cleaning Supplies Anhydrous isopropyl alcohol 92 pure c Cleaning swabsb 100 9301 1243 a Included in the 85050B and 85050C 7 mm calibration kits b Included in the 85050...

Страница 50: ...6 4 85051B Replaceable Parts Introduction Figure 6 1 Replaceable Parts ...

Страница 51: ...icate of calibration 4 3 characteristics mechanical 2 3 supplemental 2 3 cleaning connectors 3 4 cleaning supplies 1 3 compatibility with analyzers 5 2 compressed air or nitrogen 3 4 conductive table mat for ESD protection 3 2 part number 6 3 conductor center 2 3 mating plane 2 3 connecting an airline 3 14 connections 3 2 3 12 ESD protection 3 12 final 3 12 preliminary 3 12 separating 3 17 using t...

Страница 52: ... 3 2 protection setup 3 2 supplies 3 2 part numbers 6 3 wrist strap 3 2 F flowchart troubleshooting 5 3 frequency range 1 2 G gage connector 1 3 dial 3 7 handling 3 8 part numbers 6 3 reading 3 7 zeroing 3 8 gaging airline 3 10 connectors 3 6 when to do 3 6 male connectors 3 8 to determine pin depth 3 6 grounding cord part number 6 3 H handling 3 18 heel strap for ESD protection 3 2 humidity speci...

Страница 53: ...here it s done 4 3 recession center conductor 3 7 regulations environmental 3 4 replaceable parts 6 2 report calibration 4 3 requirements environmental 2 2 return kit or device to Agilent 5 4 S separating connections 3 17 serial numbers devices 1 4 recording 1 4 service 5 4 service tag 5 4 shipment verifying complete 1 3 specifications 2 2 altitude operating 2 2 storage 2 2 device 2 6 electrical 2...

Страница 54: ... temperature 2 2 verification kit contents 1 2 frequency range 1 2 overview 1 2 performance how Agilent verifies 4 2 verifying 4 2 visual inspection 3 3 W wear connector 3 3 affect on electrical performance 3 3 wrench open end 1 3 3 13 3 17 part number 6 3 proper positioning of 3 13 torque 1 3 3 12 3 13 part number 6 3 precautions for use of 3 13 proper use of 3 13 wrist strap for ESD protection 3...

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