Crosstalk | Agilent Technologies Z5623A guide

Performance Verification

Test Strategy

Return loss is specified for two different conditions:

•Test port active (this means that the test port is internally connected either to the Reflection port or to the Transmission port)

•Test port off (this means that the test port is internally connected to a 50-ohm termination)

Return loss is specified for the test ports, but not for the Reflection and Transmission ports.

Crosstalk

This measurement will be performed between each of the test set’s pairs of adjacent test ports (1 and 2, 2 and 3, 3 and 4, etc.). The test set will be commanded to connect its Reflection port to one of the test ports in the pair, and to connect its Transmission port to the other test port in the pair. An RF cable will connect Port 1 of the network analyzer to the Reflection port of the test set. Another RF cable will connect Port 2 of the network analyzer to the Transmission port of the test set. Network analyzer calibration will be turned off for this measurement. (The reason is that the isolation calibration achievable with the Electronic Calibration module is not good enough.) A Type N 50-ohm male short will be mounted on each test port in the pair.

The network analyzer will be configured to measure S21. By definition,

Crosstalk = S21

for the setup described above. Limit lines will be set up in such a way that each S21 limit equals the corresponding crosstalk test limit shown in Table 5-2.

Crosstalk is a maximum spec. Therefore, each S21 limit will be set up as a maximum limit. For example, if a crosstalk test limit happens to be −100 dB, the corresponding S21 limit will be set up so that S21 must be below −100 dB in order for the instrument to pass.

5 -6	Agilent Technologies Z5623A Option H48

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Agilent Technologies Z5623A manual Crosstalk

Contents

Agilent Technologies Z5623A Option H48 Manufacturing Part Number Z5623-90016 June Warranty Statement DFARS/Restricted Rights Notice Safety Notes Page Contents Calibrating the Network Analyzer Measuring Multiport Devices Contacting Agilent Instrument Description Typical Equipment Setup Overview Specifications Parameter Specification Guaranteed PerformanceAgilent Z5623A Option H48 Guaranteed Performance Specs Parameter Typical Performance Typical PerformanceAgilent Z5623A Option H48 Typical Performance Specs Operating Environment Electrical RequirementsEnvironmental Requirements Non-Operating Storage Conditions Cabinet Dimensions General CharacteristicsWeight Miscellaneous Characteristics Shipping Cleaning and Shipping InstructionsCleaning Installation Description Agilent Part Number Quantity Accessories Supplied with Z5623A Option H48Checking the Shipment Description Model Or Part Number Quantity Recommended Additional EquipmentRecommended Equipment Not Supplied With Test Set Familiarization with Safety Requirements Electrical Preparations Electrical Preparations Power Cables Environmental Preparations Ventilation Clearance Requirements Example of an Antistatic Workstation Front Panel Front Panel FeaturesTest Set Familiarization Port Connection Status LCD Rear Panel Features Rear Panel Line Fuse Equation Setting the Gpib Address of the Test SetGpib Address Switches Length Purpose Connecting and Turning on the Test SetRF Cables Connecting Network Analyzer to Test Set Detailed Equipment Connection Diagram Connecting and Turning on the Test Set Using the Network Analyzer to Preparing the Analyzer to Control the Test Set System Menu SICL/GPIB Window PNA DeskTop Interactive Control window User Controller Window Manual Control Window How to Send a Manual Command Step Common Errors in Manual Commands This section explains several common errors Command List of Gpib CommandsTest Port Commands Connection Path Ooooo Loool Restoring the Analyzer to its Normal Configuration Symptoms Disaster RecoveryMalfunctioning Command Window Recovery Procedure Network Analyzer Screen With Four Applications Running 10 Analyzer Screen After Right-Click On My Computer Icon 12 Hardware Tab In System Properties Window 13 Device Manager Window Malfunctioning Network Analyzer 15 Gpib Device Disabling Message Calibrating the Network Performing the Calibration Calibrating the Network Analyzer Calibration Menu on Network Analyzer Cal Type Window When It Is First Opened Electronic Calibration Window 10 Cal Wizard Window After Cal Is Complete Renaming the Calibration File 11 My Computer Window 12 Root Directory of the C Drive 14 C\Program Files\Agilent Directory 16 Directory Containing Cal Files 18 Cal File Highlighted 19 Preparing to Rename the Cal File 20 The Cal File After It Has Been Renamed Name of Calibration File Method 1. Calibration File Is Not On Quick Recall List How to Recall a CalibrationRecalling and Examining Calibrations 22 File Recall Window Correction On/Off button How to Turn a Calibration On and OffMethod 2. Calibration File Is On Quick Recall List 25 Calibration Turned On How to Examine the Properties of a Calibration 27 Calibration Properties Button Performance Verification Measurement Band KHz 1.3 GHz Setting Test LimitsEquation 5-1 How to Set Test Limits Parameter Specification Measurement Test Limit Uncertainty Set Test Strategy Insertion Loss Return Loss Crosstalk Test Name File Name Setting Up Limit TestingLimit Test Files Specifying Measurement Type, Title, and Scaling Limit Testing for Insertion LossRecalling the Calibration Title... Button Title Entry Window With Insertion Loss Entered Scale Window With Default Values Setting Up the Limit Table Limit Test... Button Empty Limit Table Limit Table Entries for Insertion Loss 11 Completed Limit Table for Insertion Loss Turning On Limit Lines and Limit Testing 12 Turning On Limit Testing and Limit Line Display 14 Save As... Button 15 Save As... Window 17 Insertion Loss Test Setup, Cal File Recalled Checking the Limit Test File 18 Insertion Loss Test Setup, Limit Test File Recalled Limit Testing for Return Loss Port Active 19 Title Entry Window With Return Loss Port Active Entered Limit Table Entries for Return Loss Port Active Segment Beginning Ending Number Type Stimulus Response 22 Return Loss Port Active Limit Test On ECal Module Saving the Limit Test File Setting Up Limit Testing Specifying the Title Limit Testing for Return Loss Port OffRecalling the Port Active Limit Test File Limit Table Entries for Return Loss Port Off 24 Completed Limit Table for Return Loss Port Off Recalling the Limit Test File Limit Testing for Crosstalk Specifying Output Power 26 Power Window with Default Values Specifying if Bandwidth and Averaging 28 The if Bandwidth... Button 30 if Bandwidth Window with Value Desired for Crosstalk 32 Average Window with Default Settings 34 The Status Bar Button Setting Up Limit Testing 36 The Scale... Button Limit Table Entries for Crosstalk 38 Completed Limit Table for Crosstalk Turning On Limit Lines and Limit Testing Verifying Return Loss and Insertion Loss Specifications Measurements Using The Reflection Port Measurements Using The Transmission Port Pass/Fail Test Results For Insertion Loss And Return Loss 40 Setup for Measuring Crosstalk of Test Set Verifying Crosstalk Specs Pass/Fail Test Results for Crosstalk Test Ports Result Measuring Multiport Devices Calibrating the Test System Calibrating the Test System Calibrating the Test System Advanced Topics Gpib Queries Using an External Computer to Control the Test SetGpib Queries Query What the test set sends in response Using Quick Basic or Visual Basic Switch CountUsing Rocky Mountain Basic RMB Languages Using Hpvee HpibEolhHpib7,,0 disable EOL Using National Instruments Visa Using the Control Lines Connector Control Line Commands for 9-Pin Connector Suggested External Circuitry Control Lines Switch Driver Circuit For Use With Control Lines Connector Adjustable Voltage Regulator Circuit Using the Control Lines Connector Service Adjustments Z5623A Option H48 Block Diagram System Theory A1 Power Supply TheoryTheory of Operation A4 Front Panel Display Theory A2 Controller and A3 Switch Driver Board TheoryConnector Replacement Troubleshooting Power Supply Problems TroubleshootingGeneral Troubleshooting Notes Troubleshooting the Front Panel Board Troubleshooting the Controller and Switch Driver Boards Reference Description Part Number Quantity Designator List of Replaceable PartsReplaceable Parts for Z5623A Option H48 Replaceable Parts for Z5623A Option H48 Safety and Regulatory Information Safety Information Safety Information Instrument Markings Declaration of Compliance with German Noise Requirements Regulatory InformationStatement of Compliance with IEC Laermangabe Noise Declaration Regulatory Information Contacting Agilent Asia Pacific and Japan Contacting AgilentAmericas Europe