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Agilent U9391C/F Comb Generator Operating and Service Manual 

1

Introduction

Product Overview

The U9391C/F comb generator was designed as a phase 
reference standard for the Agilent PNA- X nonlinear vector 
network analyzer (NVNA). It was developed to provide 
precision phase calibration, traceable to the National Institute 
of Standards and Technology (NIST).

NVNA component characterization software converts a 4- port 
PNA- X with option 510 into an innovative, high- performance, 
non- linear network analyzer which uses U9391C/F comb 
generators as precision phase calibration standards. Comb 
generators generate frequency harmonics at integer multiples of 
an RF input signal.

Generally, comb generators available in the open market today 
are made with SRD diodes, U9391C/F comb generators are 
based on Agilent InP MMIC technology to ensure superior phase 
stability of the combs.

Figure 1-1

U9391C Comb Generator

Содержание U9391C

Страница 1: ...Agilent Technologies Agilent U9391C F Comb Generator Operating and Service Manual ...

Страница 2: ...terms covering the material in this document that conflict with these terms the warranty terms in the sep arate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend U S Government Restricted Rights Soft ware and technical...

Страница 3: ...on facility and to the calibration facilities of the other International Standards Organization members WEEE Compliance This product complies with the WEEE Directive 2002 96 EC marking requirements The affixed label indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE Directive Annex I ...

Страница 4: ...Thailand 1 800 629 485 800 810 0189 800 938 693 1 800 112 929 81 426 56 7832 080 769 0800 1 800 888 848 1 800 375 8100 0800 047 866 1 800 226 008 Europe Austria Belgium Denmark Finland France Germany Ireland Italy Netherlands Spain Sweden Switzerland French Switzerland German United Kingdom Other European Countries 0820 87 44 11 32 0 2 404 93 40 45 70 13 15 15 358 0 10 855 2100 0825 010 700 01805 ...

Страница 5: ...and Safety Precautions 15 ESD Damage 15 Comb Generator and Agilent PNA X Configurations 17 3 Specification 19 General Specifications 20 Drive Power Supply Specifications 20 Physical Specification 20 Specifications 21 Mechanical Characteristic 22 Pin Depth 22 Environmental Specifications 27 Compliance Notices and Regulatory Information 28 Compliance With Electromagnetic Compatibility EMC 28 Declara...

Страница 6: ...6 Agilent U9391C F Comb Generator Operating and Service Manual ...

Страница 7: ...l 1 Introduction Product Overview 8 Key Features of Agilent U9391C F Comb Generator on page 10 Compatible Agilent Network Analyzer on page 10 Options on page 11 Service and Recertification on page 11 This chapter provides an overview specifications of Agilent U9391C F Comb Generator ...

Страница 8: ... NIST NVNA component characterization software converts a 4 port PNA X with option 510 into an innovative high performance non linear network analyzer which uses U9391C F comb generators as precision phase calibration standards Comb generators generate frequency harmonics at integer multiples of an RF input signal Generally comb generators available in the open market today are made with SRD diode...

Страница 9: ...librated at a single power level and frequency can be used across a wide range of input power It comes with the option of a female or male output connector U9391C F modules are solid state devices which provide excellent phase and amplitude flatness in the combs making them ideal for use in phase calibration applications A built in frequency divider selectable via the PNA X reduces the noise of th...

Страница 10: ...ceable phase calibration guarantees a reliable reference to international standards Embedded calibration data can be easily accessed via the plug and play USB interface The USB interface further facilitates frequency divider control and calibration data retrieval via the PNA X Rugged 3 5mm 2 4mm bulk head connectors guarantee high repeatability throughout multiple connects and disconnects Compatib...

Страница 11: ...can only be verified by specially manufactured equipment and calibration standards from Agilent Recertification of Comb Generator Modules The suggested interval for recertification is 12 months After reviewing the result of the initial recertification you may establish a shorter interval that reflects greater use and wear of the module Table 1 1 Options for Agilent U9391C F Option U9391C U9391F Op...

Страница 12: ...12 Agilent U9391C F Comb Generator Operating and Service Manual 1 Introduction ...

Страница 13: ...and Service Manual 2 Installation Initial Inspection 14 Operating and Safety Precautions 15 Comb Generator and Agilent PNA X Configurations 17 This chapter provides you important information on how to check your instrument and preparation for operation ...

Страница 14: ...r repair or replacement of the damaged or defective equipment Keep the shipping materials for the carrier s inspection 3 If you are returning the instrument under warranty or for service repackaging the instrument requires original shipping containers and material or their equivalents Agilent Technologies can provide packaging materials identical to the original materials Refer to Service and Supp...

Страница 15: ... components when discharged Static discharges too small to be felt can cause permanent damage to the unit To prevent damage from ESD Use a grounded antistatic mat in front of your test equipment and wear a grounded wrist strap attached to it when handling or operating the Comb Generator module Wear a heel strap when working in an area with a conductive floor Ground yourself before you clean inspec...

Страница 16: ...ection is made or discon nected Clean dirt and contamination from the connector mating sur face and threads This simple step can extend the service life of the connector and improve the quality of your calibration and measurements Gage connectors periodically This not only provides assur ance of proper mechanical tolerances and thus connector per formance but can also indicate situations where the...

Страница 17: ...asurements One unit is used as the phase reference module and the second unit as the phase calibration module The U9391C F units need to be powered by separate power supplies The NVNA software automatically controls the U9391C F units via USB after the two units have been selected as the phase reference and phase calibration module respectively Figure 2 1 U9391C F and PNA X Configuration ...

Страница 18: ...it used for phase calibration can be disconnected The other unit that is used as the phase reference will remain connected while the measurement is carried out For more detailed information please refer to the Help file that is embedded in the NVNA application CAUTION When connecting the U9391C F directly to the instrument test ports the modules will require mechanical support so as not to overstr...

Страница 19: ...er Supply Specifications on page 20 Physical Specification on page 20 Specifications on page 21 Mechanical Characteristic 22 Typical Pin Depth Values on page 24 Mechanical Dimension of the Modules on page 25 Environmental Specifications 27 This chapter provides an overview specifications of Agilent U9391C F Comb Generator ...

Страница 20: ...ication Table 3 1 U9391C F Drive Power Supply Specification Voltage 15 20 Vdc Current 300mA nominal NOTE Recommended DC power supply E3620A Compatible DC power supply All E36XXA series power supply except E3612A and E3614A Current drawn will change when drive voltage changes Net weight 0 370kg Shipping weight 3 155kg Shipping dimension Length Width Height 52 5cm 34 0cm 19 5cm ...

Страница 21: ...itude flatness vs input power 0 1dB typical 0 1dB typical Phase flatness 8 5 degrees 10MHz to 3GHz 6 5 degrees 3GHz to 20GHz 8 5 degrees 20GHz to 26 5GHz 10 10 degrees 10MHz to 28GHz 15 17 5 degrees 28GHz to 38GHz 15 30 degrees 38GHz to 45GHz 15 40 degrees 45GHz to 50GHz Pulse width ps 23 23 Divide ratio 1 2 4 8 16 1 2 4 8 16 Input Return Loss S11 10dB 10MHz to 6GHz 10dB 10MHz to 6GHz Output Retur...

Страница 22: ...testing These processes ensure that the device connectors do not exhibit any excess center conductor protrusion or improper pin depth when the module leaves the factory Pin Depth Pin depth is the distance the center conductor mating plane differs from being flush with the outer connector mating plane The pin depth of a connector can be in one of two states protrusion or recession Protrusion occurs...

Страница 23: ...rator Operating and Service Manual 23 The pin depth for a 3 5mm connector is shown in Figure 3 2 The typical pin depths for U9391C F connectors are listed in Typical Pin Depth Values on page 24 Figure 3 2 Pin depth for a 3 5mm 2 4mm connectors ...

Страница 24: ...fect of pin depth on the device s performance The following tables list the typical pin depths for the devices If the pin depth of a device does not measure within the observed pin depth limits it may be an indication that the device fails to meet electrical specification Table 3 3 U9391C F Comb Generator Pin Depth Characteristic Port Typical Pin Depth in Micrometers 10 4 inches U9391C U9391F In p...

Страница 25: ...Specification 3 Agilent U9391C F Comb Generator Operating and Service Manual 25 Mechanical Dimension of the Modules Figure 3 3 Mechanical Dimension of U9391C Comb Generator ...

Страница 26: ...26 Agilent U9391C F Comb Generator Operating and Service Manual 3 Specification Mechanical Dimension of the Modules Figure 3 4 Mechanical Dimension of U9391F Comb Generator ...

Страница 27: ...ell time per MIL STD 883F Method 1010 8 Condition C modified Relative Humidity Operation Storage 50 to 95 RH at 40 C 24 hours cycling repeated 5 times 90 RH at 65 C one 24 hour cycle Shock End use handling shock Transportation shock Half sine wave form 2 3ms duration 60 in s 1 6ms delta V Trapezoidal wave form 18 22ms duration 337 in s 8 56ms delta V Vibration Operating Survival Random 5 500Hz 0 2...

Страница 28: ... be replaced with the same type and specifications Refer to the Declaration of Conformity on page 29 Regulatory Markings The CE mark shows that the product complies with all the relevant European Legal Directives ICES NMB 001 ICES NMB 001 indicates that this ISM device complies with Canadian ICES 001 Cet appareill ISM est conforme a la norme NMB 001 du Canada ISM GRP 1 CLASS A This is the symbol o...

Страница 29: ...F Comb Generator Operating and Service Manual 29 Declaration of Conformity A copy of the Manufacturer s Declaration of Comformity for this instrument can be obtained by contacting your local Agilent Technologies sales representative ...

Страница 30: ...30 Agilent U9391C F Comb Generator Operating and Service Manual 3 Specification ...

Страница 31: ...ing and Service Manual 4 Operating Guides Operating Instruction 32 Operator s Check on page 32 Service Instructions 39 This chapter provides you a simple quick check instruction to verify Agilent U9391C F Comb Generators functionality prior to usage ...

Страница 32: ...uipment other than the recommended models can be used provided minimum specifications are satisfied CAUTION ESD exceeding the level specified in Table 3 4 or RF power applied is greater than the maximum specified as in Table 3 2 may cause permanent damage to the device Table 4 1 Recommended Test Equipment Instrument Type Setting PNA X Network Analyzer option 400 419 080 510 N5242A N5244A N5245A PN...

Страница 33: ...ropriate electronic or mechanical calibration kit 2 Connect Input of comb generator to Port 1 of network analyzer and Output of comb generator to Port 2 of network analyzer 3 Turn ON the biasing of the comb generator by connecting to power supply 15V 0 3A 4 Get the measurement for Input Return Loss S11 and Output Return Loss S22 5 Compare measurement results with specification in Table 3 2 on page...

Страница 34: ...00 419 080 510 N5242A N5244A N5245A NVNA application Start Stop Frequency 10MHz Frequency points 1 Maximum Harmonics 2650 5000 2650 for U9391C and 5000 for U9391F E3631A DC Power Supply Voltage 15Vdc Current 2 x 0 3A To power up 2 units of U9391C F E8267D PSG Signal source or any source that can provide 10MHz to 6GHz RF output N A Power sensor and power meter N A 11636B Power Divider N A Figure 4 ...

Страница 35: ...Leaving the network analyzer application running in the background will cause the NVNA applications to not function properly 4 Click Response and select Couple Segment from Agilent Nonlinear Vector Network Analyzer main menu as shown in Figure 4 3 5 Again click Response and select Receiver Attenuation Set 10dB at Receive B portion and then click OK 6 Set the parameters as following Then click Appl...

Страница 36: ...o recall Cal Set data from a previously performed calibration However the stimulus settings for the Cal set must exactly match the current stimulus settings 10 Select Port 1 or Port 3 and follow the instructions to perform the Amplitude Calibration using power sensor before doing the Phase Calibration 11 To perform Phase Calibration select the phase reference unit that is identified to use for cal...

Страница 37: ...calibration to Port 3 of network analyzer once calibration is completed 13 Click on the Measurement Display tab and select as following to perform comb amplitude and comb phase measurement a Format select Log Mag to measure comb amplitude or Phase to measure comb phase b Domain select Frequency c Measure select Single or Continuous Figure 4 5 NVNA Calibration Wizard ...

Страница 38: ...r Operating and Service Manual 4 Operating Guides 14 Compare measurement results with specification in Table 3 2 on page 21 15 Phase measurement will fluctuate between 180 to 180 degrees due to phase wrapping Figure 4 6 NVNA main menu ...

Страница 39: ...ervices please contact your nearest Agilent Sales and Service Center Adjustment The comb generator do not have internal adjustments and should not be opened Maintenance The connectors particularly the connector faces must be kept clean For instruction on connecting and care of your connectors refer to the Microwave Connector Care Quick Reference Card 08510 90360 ...

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