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Infinite Kaelus iQA C Series Operating Manual

The intermodulation test system for portable use
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iQA C-SERIES OPERATING MANUAL
The Intermodulation Test System For Portable Use
This document contains information which is conidential and the property of Kaelus, and which is not to be communicated to any person or
company, or used in any way without the previous authorization of Kaelus.
2017 | R99-0067RevC
www.valuetronics.com

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  • Page 1 iQA C-SERIES OPERATING MANUAL The Intermodulation Test System For Portable Use This document contains information which is conidential and the property of Kaelus, and which is not to be communicated to any person or company, or used in any way without the previous authorization of Kaelus. 2017 | R99-0067RevC www.valuetronics.com...
  • Page 2 Operating Manual | The Intermodulation Test System For Portable Use Document Issue Description of Document Change Date Edited By Authorization Creation of document by Eng 23/01/2012 CE DoC included, Step Size 11/08/2015 Corrected Implementation of new Kaelus format 20/11/2017 www.valuetronics.com...
  • Page 3 Precautions WARNING: I N T E R F E R E N C E This instrument has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in an industrial installation.
  • Page 4 Operating Manual | The Intermodulation Test System For Portable Use GENERAL CONDITIONS OF USE This equipment should be protected from the ingress of liquids and precipitation such as rain and snow. The equipment must be operated within the environmental conditions speciied in Section 1.4. This equipment is not approved for use in hazardous atmospheres or medical applications.

  • Page 5: Table Of Contents

    Table of Contents Operating Instructions Introduction Functional Description Features Speciications Construction And Layout Equipment Operation – Fixed Frequency Mode 1.6.1 Starting the equipment 1.6.2 The Main Application Window 1.6.3 Recalling State Files 1.6.4 Setting up the Site Test Report 1.6.5 Taking an RF Measurement 1.6.6 Viewing a Test Report...
  • Page 6 Operating Manual | The Intermodulation Test System For Portable Use Equipment Operation - Swept Measurement Modes 1.8.1 Time Trace 1.8.2 Frequency Sweep 1.8.3 Spectrum Analyser Mode General Detail Getting The Best From The Test Equipment Safety Features Accessories Kits Handling And Transport Cleaning The Equipment Troubleshooting Guide CE Declaration of Conformity...

  • Page 7: List Of Figures

    List of Figures Figure 1 Front Panel View Figure 2 External Housing Figure 3 iQA Start-up Screen Figure 4 Main Application Window (Default Measurement Mode) Figure 5 Test State Input Window Figure 6 Report Window Figure 7 Test Point Label Input Screen Figure 8 Default Measurement Window Figure 9 Report Window Figure 10 Report Browsing Window...

  • Page 8: Operating Instructions

    Operating Manual | The Intermodulation Test System For Portable Use 1. Operating Instructions Introduction This manual describes the operation of the iQA (Interconnect Quality Analyzers) C-series type of portable intermodulation test instruments developed by Kaelus. The main diferences between the older B-series and the new C-series instruments are as follows: A number of improvements were implemented to make the C-series units more robust and reliable for ield use.

  • Page 9: Speciications

    Speciications Transmitter Transmit band (frequency agile over whole band) Per product data sheet Channel steps 100kHz ± 5ppm (max), aging ± 1ppm (max) after irst year Frequency accuracy Power per tone (adjustable) 2 - 20W (+33 to +43dBm) Power Accuracy/ALC Leveling (per tone) ±...

  • Page 10: Construction And Layout

    Operating Manual | The Intermodulation Test System For Portable Use Construction And Layout The front panel and external details of the test set are shown below in Figure 1 and Figure 2 respectively. Take note that the labeling of the front panel will vary from one frequency variant to the next. Figure 1 Front Panel View x3 USB Ports Used for loading state iles and upgrades, and downloading reports and states.

  • Page 11: Figure 2 External Housing

    RF Output Port The RF output port is used for all measurements. On the new C-series iQAs, the RF connector is recessed into the instrument front panel, to protect the connector and to allow for a connector saver to be itted to the instrument. Note: The RJ45 LAN port has been itted to the left-hand side of the iQA front panel.
  • Page 12 Operating Manual | The Intermodulation Test System For Portable Use Telescopic Case Handle The telescopic case handle allows the instrument to be towed over relatively smooth surfaces, and ofers the convenience of not having to carry the bulk of the instrument’s weight. Cooling Fans The instrument has numerous cooling fans mounted internally to facilitate cooling.

  • Page 13: Equipment Operation - Fixed Frequency Mode

    Equipment Operation – Fixed Frequency Mode The ixed frequency mode is the default measurement mode of the iQA. In this mode the two test frequencies remain ixed during the duration of the test. When the RF is switched on, the instantaneous PIM value will be displayed by the test equipment.

  • Page 14: The Main Application Window

    Operating Manual | The Intermodulation Test System For Portable Use 1.6.2 The Main Application Window When the instrument is ready to use, it will show the main application window, in the default measurement mode. Figure 4 Main Application Window (Default Measurement Mode) The application interface, as per the tags in the Figure 4, is discussed hereafter.
  • Page 15 RF ON/OFF Button The RF ON/OFF button is used for switching the RF either on or of. As a visual aid, this button will turn red when the RF has been switched on. In the default state (RF of) this button will be green. Additional text appears on this button to show the state of the button (RF OFF or RF ON) and what will happen when the button is pressed (TURN ON or TURN OFF).

  • Page 16: Recalling State Files

    Operating Manual | The Intermodulation Test System For Portable Use Button Bar The button bar is the main user-instrument interface. Conig Lock The “Conig Lock” icon shows whether the coniguration mode is accessible or not. Time/Date Display User-changeable time and date display. 1.6.3 Recalling State Files For quick and easy instrument coniguration, a state ile can be pre-loaded on a memory stick.

  • Page 17: Setting Up The Site Test Report

    1.6.4 Setting up the Site Test Report The site test report should be set up before any measurements are made. 1. Press the Report button. The Report window will be displayed. Figure 6 Report Window 2. Press the Operator/Company Button. A keypad will be displayed. 3.

  • Page 18: Taking An Rf Measurement

    Operating Manual | The Intermodulation Test System For Portable Use 1.6.5 Taking an RF Measurement 1. Before connecting the device under test to the Output Port, ensure that all mating surfaces are clean and free of physical defects. Ensure that the connection is adequately tightened. 2.

  • Page 19: Figure 8 Default Measurement Window

    The ‘Record Test Point’ button will only be visible (and active) after the peak value is displayed. The peak indication is held until the next RF power on event. Click on the Unit Indicator to toggle between dBm and dBc units. Figure 8 Default Measurement Window The RF power can be switched of by either of the following methods: •...

  • Page 20: Viewing A Test Report

    Operating Manual | The Intermodulation Test System For Portable Use 1.6.6 Viewing a Test Report Reports are automatically saved to the D:\Program Files\Kaelus\iQA\iQA Reports directory, in a compressed *.rpt format. 1. From the user screen, press the Report button. 2. The report screen will be displayed. Figure 9 Report Window Press the Browse button.

  • Page 21: Figure 10 Report Browsing Window

    Figure 10 Report Browsing Window Navigation in the report directory screen is done as follows: • To move lower in the directory structure, click on ‘..’ • If the report is located on another disk press the Change Disk button to locate it •...

  • Page 22: Figure 11 Report Window

    Operating Manual | The Intermodulation Test System For Portable Use Figure 11 Report Window 4. Use the scroll bar on the right hand side to move up and down the report. 5. Press the Return button to go back to the main user screen. www.valuetronics.com...

  • Page 23: Report Editing

    1.6.7 Report Editing A “Report Editing Button” has been added to the reporting menu. When this button is pressed, the “Edit Report” window as per Figure 12 is shown. In this window the user is allowed to select recorded points, delete them or change the test point name.

  • Page 24: Shutting Down The Instrument

    Operating Manual | The Intermodulation Test System For Portable Use 1.6.10 Shutting Down the Instrument 1. To shut down the instrument, press the Shut Down button. A shut-down window will be displayed. Figure 13 Shutdown Window 2. Press Yes to initiate the shut down procedure. The on-board computer will shut down all the internal modules automatically.

  • Page 25: Equipment Operation - Coniguration Mode

    Equipment Operation - Coniguration Mode Enabling the Coniguration Mode 1.7.1 The setup of the instrument can be modiied via password access to the coniguration mode. To access the coniguration mode: 1. Press the Conig Menu button. A keyboard will be displayed. 2.

  • Page 26: Change Coniguration Mode Password

    Operating Manual | The Intermodulation Test System For Portable Use Change Coniguration Mode Password 1.7.2 To change the password for Coniguration mode access: 1. Press the Conig Password button. A keyboard will be displayed. Figure 15 Keyboard for password input 2.

  • Page 27: Settings

    1.7.3 Settings The Settings window is used to adjust a number of parameters (general parameters or RTF-associated parameters). As a general parameter, the Power Timer limit is used to control the length of time the test tones are transmitted. The timer operates in seconds, and counts down until it reaches zero, at which point the user is prompted if they would like to record the measurement to the report.

  • Page 28: Modify A Test Tone Frequency

    Operating Manual | The Intermodulation Test System For Portable Use 1.7.4 Modify a Test Tone Frequency 1. Press a test tone frequency ield (F1 or F2). A numeric keypad is displayed. 2. Input the new test tone frequency in MHz, and press Enter. If the user inputs a frequency that causes the IM product to be outside the instrument’s receive band, a warning will be given to change the IM product ( or to change the test tone frequency).

  • Page 29: Modify The Im Receiver Frequency

    1.7.7 Modify the IM Receiver Frequency 1. Press the IM Product ield. The instrument will calculate the various order IM frequencies and a window will be displayed with relevant options. Figure 18 Calculated IM Products 2. Select the IM product to be measured and press OK. The IM receiver will be switched to the appropriate frequency. ©...

  • Page 30: Edit Test State

    Operating Manual | The Intermodulation Test System For Portable Use 1.7.8 Edit Test State In Coniguration mode, the user is able to create new states and recall, rename or delete states. Press the Edit State button and the Open State screen will be displayed. Figure 19 Open State Screen Press the Return button to go back to the coniguration screen.

  • Page 31: Editing Test Points

    1.7.9 Editing Test Points Test Point labels identify the physical point in the system that the measurement is taking place. In Coniguration mode the user can add, delete or modify Test Point Labels. 1.7.9.1 Add a Test Point Label 1. Press the Add Label button. A ‘new label’ will be displayed. 2.

  • Page 32: Change Company Name

    Operating Manual | The Intermodulation Test System For Portable Use 1.7.10 Change Company Name The user is able to change the company name that appears on the test report. 1. Press the Change Company Name button. A keyboard will be displayed. 2.

  • Page 33: Figure 21 Time Trace Measurement Window

    Figure 21 Time Trace Measurement Window The foregoing igure shows a screen shot of the time trace measurement window. The shown trace is typical of a loose connector under percussive testing. If the RF is switched of before the set measurement interval expires, the user will be shown a scaled time trace per Figure 22.

  • Page 34: Figure 22 Scaled Time Trace

    Operating Manual | The Intermodulation Test System For Portable Use Figure 22 Scaled Time Trace The user is at liberty to record the peak IM level of a test point at any time during the active time sweep. If the set measurement interval is allowed to expire, the Record Last Point button will remain active allowing the user to add the inal result to the report.

  • Page 35: Frequency Sweep

    1.8.2 Frequency Sweep The Frequency Sweep mode is particularly useful for highlighting anomalies in IM performance within a speciic receive band. The instrument measures the vector sum of all PIM sources present on an RF path. If two PIM sources of approximately equal magnitude are present on the RF path and are physically separated in such a way that the two signals arrive at the PIM test equipment exactly 180⁰...

  • Page 36: Figure 24 Frequency Step Selection Window

    Operating Manual | The Intermodulation Test System For Portable Use The frequency step size is adjustable and directly impacts on the time it takes for a sweep to complete. Clicking on the frequency step label, will open a selection window with diferent frequency steps. The user can make a suitable selection based on the IM bandwidth in question.

  • Page 37: Figure 25 Im Order Selection Window

    The igure below shows the IM order selection window. If a particular order IM band is present within the instruments receive band, it will be displayed. Figure 25 IM Order Selection Window The user is at liberty to record the peak IM level of a test point at any time during the active frequency sweep. Alternatively, if the set measurement interval is allowed to expire, the user will have the option to save the peak result to the test report.

  • Page 38: Spectrum Analyser Mode

    Operating Manual | The Intermodulation Test System For Portable Use 1.8.3 Spectrum Analyser Mode The Spectrum Analyzer mode ofers an added analysis tool and is especially useful in detecting external interference introduced in the instrument’s RX band. When the application starts up, a sweep is automatically initiated to detect interferers in the RX band of the instrument.

  • Page 39: General Detail

    2. General Detail Getting The Best From The Test Equipment There are a number of practices that will allow the best to be gained from the IM test system, especially for taking PIM measurements. Connector & Cable Care • Good quality connectors and test cables are essential for making PIM and return loss measurements •...

  • Page 40: Safety Features

    Operating Manual | The Intermodulation Test System For Portable Use Safety Features There are several features to enhance the tester’s safety and prevent damage to the instrument. It is important that the operator is aware of these built-in features. Auto-Power Of The RF power is on a ‘Power Timer’...

  • Page 41: Troubleshooting Guide

    Troubleshooting Guide If the remedies indicated in the chart below do not solve the problem, consult the manufacturer for further instructions. AC Power No light on AC switch • Insert the mains lead securely into a known active AC mains socket. •...

  • Page 42: Ce Declaration Of Conformity

    Operating Manual | The Intermodulation Test System For Portable Use CE Declaration of Conformity Hereby, Kaelus Pty Ltd 34 Corporate Drive Cannon Hill, QLD, 4170 AUSTRALIA declares that the following products are in compliance with the essential requirements of Directive 2004/108/EC (EMC Directive) and Directive 2006/95/EC (LVD Directive) if installed and operated in accordance with manufacturer’s instructions.

  • Page 43: End Of Life Statement

    End of Life Statement Equipment marked with the symbol below (Crossed Out Wheelie Bin) complies with the European Parliament and Council Directive 2002/96/EC (the “WEEE Directive”) in the European Union. Please contact your local Kaelus representative (see next section) at the end of the product’s useful life to arrange its disposal in accordance with your local regulations.

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