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Polar Instruments CITS500s Operator's Manual

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Polar CITS500s
Controlled Impedance Test System
A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
• C r i t i c a l a n d e x p e d i t e d s e r v i c e s
• I n s t o c k / R e a d y - t o - s h i p
Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate, representative, or authorized distributor for any manufacturer listed herein.
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.00
In Stock
Qty Available: 1
Used and in Excellent Condition
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https://www.artisantg.com/70700-1
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• F u l l - s e r v i c e , i n d e p e n d e n t r e p a i r c e n t e r

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Summary of Contents for Polar Instruments CITS500s

  • Page 1 Polar CITS500s Controlled Impedance Test System 5450 In Stock Qty Available: 1 Used and in Excellent Condition Buy Today! https://www.artisantg.com/70700-1 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
  • Page 2 Operator Manual CITS500s (32-bit) Polar Instruments Ltd. Garenne Park Rue de la Cache St. Sampson’s Guernsey Channel Islands GY2 4AF Fax: +44 (0)1481 252476 http://www.polar.co.uk e-mail: mail@polar.co.uk MAN 174-0103 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 4: Product Registration

    PRODUCT REGISTRATION Registering your product ensures you can be kept up to date when upgrades or enhancements become available. Please register using the form below. Polar Instruments Ltd. Garenne Park St. Sampson Guernsey Channel Islands GY2 4AF United Kingdom Fax: +44 (0)1481 252476 Email: mail@polarinstruments.com...
  • Page 5 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 6 CITS500s OPERATOR MANUAL POLAR INSTRUMENTS LTD. HARDWARE WARRANTY Product Warranty. Product hardware is warranted to be free from defects in material and workmanship during the Warranty Period (as defined below). Product hardware is warranted to conform substantially to Polar’s then current (as of the date of Polar’s product shipment) published user documentation during the Warranty Period.
  • Page 7 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 8: European Community Directive Conformance Statement

    EC Council Directive 73/23/EEC on the harmonisation of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits. A declaration of conformity with the requirements of these Directives has been signed by: POLAR INSTRUMENTS (UK) LTD 11 College Place London Road Southampton England...
  • Page 9: Grounding

    Power cord color codes are as follows: Europe brown live blue neutral green/yellow earth (ground) United States black live white neutral green ground ii • • • • WARNING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 10: Power Supply

    Use only the accessories (e.g. test probes and cables) provided by Polar Instruments. The unit must be maintained and repaired by a skilled electronics technician in accordance with the manufacturer’s instructions.
  • Page 11: Caution

    External power could damage the tester. Static Sensitive Devices This unit contains Static Sensitive Devices. Observe static precautions at all times. iv • • • • CITS OPERATION CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 12: Specifications

    50Ω reference Series Loss Compensation 0 – 5Ω/inch Vp Compensation 0.33 – 0.99 Relay Life 2 x 10 operations/channel (typical) SPECIFICATIONS • • • • v CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 13: Environmental Operating Conditions

    443 mm (17.44 in.) wide 114 mm (4.48 in.) high 280 mm (11.02 in.) deep Weight 5.0kg (11 lb.) vi • • • • ENVIRONMENTAL OPERATING CONDITIONS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 14: Symbols

    3½" High density – 1.44Mbyte Mouse Microsoft compatible Printer port 1 x parallel printer port Communication ports 1 available serial communication port required SYMBOLS • • • • vii CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 15: Accessories

    ACCESSORIES Standard Accessories Probe Cable (CITS500s x 2, CITS500s4 x4) WMA326 IP-50 Microstrip Probe (50Ω) IPD-100 Differential Probe (100Ω) Sample Test Coupon MPCD1325 Operator manual MAN174 RS-232 interface cable ACC142 Foot Switch ACC124 Antistatic wristband ACC175 Wrist band ground cord...
  • Page 16: Guide To The Manual

    Test Coupons. OPERATION Operation of the CITS500s. Information about the different ways in which the facilities of the CITS500s can be used and how to test boards. THE TEST FILE EDITOR Description of test parameters — creating, writing and saving test files.
  • Page 17: Operating The Cits500S

    Windows 98 or Windows NT/2000 environments is assumed. For information on Microsoft Windows operation consult the Microsoft Windows User Guide. CITS500s functions are controlled by selecting the associated commands from pull-down menus or clicking the “short-cut” buttons with the mouse.
  • Page 18: Table Of Contents

    PERSONAL COMPUTER REQUIREMENTS ACCESSORIES viii Standard Accessories................viii Optional Accessories ................viii GUIDE TO THE MANUAL OPERATING THE CITS500s Selecting commands ................x On-line help ....................x INTRODUCTION TO CONTROLLED IMPEDANCE TESTING 1-1 The CITS system................1 1-2 Test files.....................2 1-3 Data analysis..................2 1-4 CITS features ..................3...
  • Page 19 4-2 The CITS menu bar................32 The File menu................32 The Board menu ................. 32 The Datalog menu ..............33 xii • • • • CONTENTS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 20 Probe Channel Select ..............58 Horizontal Units................59 Test from..................59 Test to..................60 Probe length................60 Loss Compensation ..............61 Velocity of Propagation (Vp)............61 Ohms/div..................62 CONTENTS • • • • xiii CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 21 MAINTENANCE AND FAULT FINDING Cable Replacement ..............65 CITS Verification and Calibration............65 Differential Calibration..............66 Impedance References for Calibration........66 CITS500s Servicing................67 Microstrip probes ................ 67 Cleaning ..................67 Technical Support ............... 67 Consumable parts............... 67 Fault diagnosis ..................68 APPENDIX A –...
  • Page 22: Section 1 - Introduction

    INTRODUCTION TO CONTROLLED IMPEDANCE TESTING 1-1 The CITS system The CITS500s Controlled Impedance Test System is designed to provide low cost automated measurements of the characteristic impedance of printed circuit boards and test coupons. The CITS system is shown in the diagram below.
  • Page 23: Test Files

    Microsoft Windows environment on an IBM PC compatible computer. The CITS500s is designed to facilitate rapid and convenient testing of controlled impedance printed circuit boards and test coupons. Connection between the CITS and boards under test is achieved using probe cables and Microstrip probes.
  • Page 24: Cits Features

    1-4 CITS features The CITS system is designed to make the complex process of impedance testing as simple as possible. The CITS500s includes the following features: User interface Microsoft Windows 95, 98 or Windows NT/2000 environment Mouse driven user interface for ease of use...
  • Page 25: Status Outputs

    See Appendix A for a more detailed discussion of characteristic impedance. 4 • • • • INTRODUCTION TO CONTROLLED IMPEDANCE TESTING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 26: Tdr Fundamentals

    1-6 TDR fundamentals The CITS500s Controlled Impedance Test System makes measurements using Time Domain Reflectometry (TDR). Time Domain Reflectometry A Time Domain Reflectometer is a special kind of oscilloscope. A “normal” oscilloscope measures changes in voltage over a period of time and displays this as a graph. A TDR performs a...
  • Page 27: Cits Measurements

    PCB based on the size of the reflections measured using time domain reflectometry. 6 • • • • INTRODUCTION TO CONTROLLED IMPEDANCE TESTING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 28: Single Ended Impedance Testing

    Er and referenced to a power or ground plane. Surface microstrip can be implemented by etching one surface of double-sided PCB material. INTRODUCTION TO CONTROLLED IMPEDANCE TESTING • • • • 7 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 29 8 • • • • INTRODUCTION TO CONTROLLED IMPEDANCE TESTING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 30: Differential Impedance Testing

    The CITS500s includes the facility to make differential impedance measurements in which the impedance between conductors is tested as well as the impedance between conductors and ground.
  • Page 31: The Differential Test

    10 • • • • INTRODUCTION TO CONTROLLED IMPEDANCE TESTING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 32: Test Coupons

    PCB, so testing the coupon will give a high degree of confidence that the board impedances will be correct. The CITS500s includes two Test Coupons of known single-ended and differential impedance, typical of those used in manufacturing which are supplied with the associated test files so that users may familiarise themselves with the operation of the instrument.
  • Page 33 This page is intentionally blank. 12 • • • • INTRODUCTION TO CONTROLLED IMPEDANCE TESTING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 34: Section 2 - Installation And Set Up

    Retain the pack for possible future use. Note: Always obtain a Return Number before returning an instrument to Polar Instruments. SETTING UP THE CITS SYSTEM • • • • 13 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 35: Connecting To A Power Supply

    The package should contain: CITS500s/CITS500s4 50Ω Probe cables (x2) IP50 Microstrip probe IPD100 Differential Probe Sample test coupons Power cord RS 232 interface cable Foot switch Accessory pouch Operator manual Program installation diskette Anti-static wrist band and cord Note: If the instrument has been shipped or stored in a cold environment, allow the instrument to reach the temperature of its new location before applying power.
  • Page 36: Installing The Cits Software

    2-3 Installing the CITS software Installing the program Close all other programs. Insert the CITS500s Software CDROM in the drive and follow the install wizard instructions on screen. If the install program does not run when the CDROM is inserted: Click the Start button —...
  • Page 37: Connecting The Computer To The Cits

    5 seconds and then turn off, indicating that the system is operating normally. 16 • • • • SETTING UP THE CITS SYSTEM CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 38: Running The Program

    <Esc> or click the Cancel button. Figure 2-2 The System Configuration menu SETTING UP THE CITS SYSTEM • • • • 17 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 39: General Options

    — the system will enable the selected port. Other serial communication parameters are set automatically by the CITS system. 18 • • • • SETTING UP THE CITS SYSTEM CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 40: Calibration

    Calibration To ensure continued accuracy and consistency of measurements the CITS500s incorporates internal references for self-calibration purposes. The System option allows the operator to control when the CITS performs a self-calibration. Two modes of Calibration are available: Autocal In Autocal mode the CITS self-calibrates automatically at a given interval in time.
  • Page 41: Setting The Testfiles Options

    • Change the destination folder for logged data. Figure 2-3 The Datalog dialog tab 20 • • • • SETTING UP THE CITS SYSTEM CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 42 English or U.S. format. Specifying the Datalog folder Datalog files are located by default in the C:\Program Files\Polar\Cits500s\Testfiles folder (assuming a default installation). To specify a different folder click the Custom option button. Figure 2-4 Select Datalog folder dialog box Navigate to the data logging folder and press Open.
  • Page 43: Changing The System Prompts

    (the actual range will depend on the graphics card installed on the machine). Click Reset to set colors to their default values. 22 • • • • SETTING UP THE CITS SYSTEM CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 44: Section 3 - Getting Started

    This section assumes that the installation/setup procedure has been successfully completed. Power up the CITS500s and PC, and press the Start button and choose Programs, then Cits500s and click the Cits500s program (or double-click the CITS icon on the desktop) to start the CITS program.
  • Page 45: The Cits Screen

    The Execute Test button performs a test using the selected test list item. 24 • • • • FIRST TIME CITS OPERATION CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 46: Testing The Sample Coupons

    A wrist strap is provided with the CITS (connect the wrist strap to the stud on the CITS front panel). The CITS500s includes sample coupons to allow users to familiarise themselves with the operation of the instrument. The single-ended coupon includes three PCB traces of nominal impedance, 50Ω, 75Ω...
  • Page 47 6” length of coupon trace (from 2” to 8”). Figure 3-3 The CITS Test Window with the Coupon Test file loaded (50 Ohm test selected) 26 • • • • FIRST TIME CITS OPERATION CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 48: Testing The Single-Ended Coupon

    If the waveform in remained between the crosshatched area over the whole of the tested region the CITS records a PASS. FIRST TIME CITS OPERATION • • • • 27 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 49: Displaying The Impedance Statistics

    Test List window pane to indicate a PASS or FAIL result for the trace along with the Average value of impedance for 28 • • • • FIRST TIME CITS OPERATION CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 50: Using The Measurement Cursors

    Test List window pane. Fig 3-6 Completed set of Single-ended Coupon Test results Using the measurement cursors The CITS500s incorporates on-screen measurement cursors to display absolute values of propagation delay times, distance and impedance along the displayed waveform. Use the cursors for critical time measurements —...
  • Page 51: Testing The Differential Coupon

    Select Exit from the File menu or press Alt+F4 to leave the program and return to the Windows Program Manager. 30 • • • • FIRST TIME CITS OPERATION CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 52: Section 4 - System Operation

    Figure 4-1 shows the CITS main screen: Figure 4-1 The CITS main screen USING THE CITS • • • • 31 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 53: The Cits Screen

    The main screen window can be maximised to full screen view if desired — click the Maximise button (or double-click the CITS500s Title Bar or press Alt+Spacebar then X on the keyboard). 4-2 The CITS menu bar All CITS commands are available from pull-down menus;...
  • Page 54: The Datalog Menu

    View recorded waveforms. The View menu The View menu allows the user to control the display of CITS500s screen items (readout, cursors, graticule, toolbar, etc.) This menu also allows the user to select for display statistical information in the Test List and Datalog window panes.
  • Page 55: The Utilities Menu

    CITS operation — press the F1 function key to access the on-line help from anywhere in the program. Select Help Topics for help in operating the CITS500s. Select About for system information (firmware versions, etc.) If a modem is installed in the host computer and an Internet connection is available, select Visit www.polarinstruments.com...
  • Page 56: The Cits Main Tool Bar

    Datalog Report Generator — start the (optional) Datalog Report Generator. Clear Screen — clears the waveform display window. Visit Polar Website — Access the Polar Instruments Internet Web site for updates and application information. USING THE CITS • • • • 35 CITS500s Artisan Technology Group - Quality Instrumentation ...
  • Page 57: The Waveform Display Window Pane

    Note: If the test limits are correctly set the average impedance is the measured characteristic impedance for the trace under test. 36 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 58: The Waveform Display Shortcut Menu

    The vertical axis can be graduated in mRho. Select Display in mRho from the shortcut or the View menu. The CITS converts the current Ohms/div setting to mRho. USING THE CITS • • • • 37 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 59: Group Testing

    Use the Test List Editor to designate a test as a member of a group; see EDITING TEST FILES. 38 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 60: The Test List

    Test List pane, the box on the right lists the currently displayed fields USING THE CITS • • • • 39 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 61: The Datalog

    To display other result fields right click into the Datalog window pane and choose Select Columns — the Select Datalog Display Columns window is displayed: 40 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 62: The Status Bar

    Select a test file if one exists (or create a new file and insert tests for each controlled impedance on the USING THE CITS • • • • 41 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 63: Selecting A Test File

    <Tab> key to move into the file list field and use the cursor keys to highlight the test file) — in this case we test the 42 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 64: Executing The Test

    — blue cross-hatched areas on a black background — see the Utilities menu for information on changing screen colors). USING THE CITS • • • • 43 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 65: Deleting Test Results

    Caution: Selecting Clear Results will clear all result entries in the Test List window pane but will not remove logged data. 44 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 66: Logging Test Data

    This format will be found suitable for import into most spreadsheet or database programs — and can be printed out for hard copy. Polar Instruments supply a Datalog Report Generator accessory to automatically process this data for use in statistical process control.
  • Page 67: The Data Log Window

    Delete button — all the tests for the board will be deleted. Note: The record will be permanently deleted. 46 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 68: Editing Records

    Release the mouse button. USING THE CITS • • • • 47 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 69: Printing Waveforms, Datalog Or Test Results

    Waveform Display window pane select Save Waveform from the Waveform menu —the system will display the Enter Waveform Filename dialog box. 48 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 70: Viewing Recorded Waveforms

    Using CitsView the Waveform Display can be maximised to full screen. USING THE CITS • • • • 49 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 71 To view the test parameters for the displayed waveform select Setup — the Test Setup Editor is opened (for display only) with the current test parameters. 50 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 72: The Stored Waveform Tool Bar

    The Stored Waveform Status bar The Stored Waveform Status Bar is similar in function to the CITS500s Status Bar. Brief functional descriptions of each command or button are displayed in the left of the Status Bar as the mouse is paused over an item. The right of the Status Bar displays the state of the Caps Lock, Num Lock and Scroll Lock keys.
  • Page 73: Overlaying Waveforms

    Note that the last test result is not cleared — if necessary use Clear Results to clear the screen. 52 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 74: Exiting The Cits Program

    When replacing instrument cables it is important to check (and adjust if necessary) the CITS’ Cable Length calibration and impedance measurement accuracy. USING THE CITS • • • • 53 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 75 PCB interface. A Coupon Holder (ACC153) is available to support coupons during testing. 54 • • • • USING THE CITS CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 76: Test Parameter Files

    Typically the set of tests for one board type will be stored in a single test file. For example, the coupon test files contained the tests for the sample coupons supplied with the CITS500s. The diagram below illustrates the test parameters specified in a test.
  • Page 77: The Test Setup Editor

    Enter the details for the board under test, Customer, Board Type, Part Number and Revision Number and Press OK. 56 • • • • TEST PARAMETER FILES CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 78: Inserting Tests

    Figure 5-3 Edit Board Details dialog box The CITS500s creates the new (empty) file. Tests are added to the file via the Insert command. Inserting tests Select the Insert command from the Board menu (or press the Insert key) — the Test Setup Editor is displayed: Each parameter is defined and displayed in a parameter field.
  • Page 79: Impedance

    Selecting Differential Test will add Odd and Even mode impedance statistics to the statistical data. In order to perform differential measurements the CITS500s uses Channels 1 and 2 and Channels 3 and 4 as differential channels. Differential testing is performed using the IPD100 Differential Probe.
  • Page 80: Horizontal Units

    0 to 600 inches 0 to 50 feet 0 to 15.24 meters 0 to 15240mm. Time 154.04nS 154040pS TEST PARAMETER FILES • • • • 59 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 81: Test To

    For example, if 37 inches is specified the display will show a graph of impedance starting 37 inches from the CITS front panel connector. 60 • • • • TEST PARAMETER FILES CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 82: Loss Compensation

    66% the speed of light. The CITS calculates displayed distance or time from time based on a default Vp of TEST PARAMETER FILES • • • • 61 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 83: Ohms/Div

    To assign the test to a group click the Enable check box and select the group from the Group Name combo box. 62 • • • • TEST PARAMETER FILES CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 84: Test Method

    99.99% in 0.01% steps. Alternatively it may be set directly in Ohms. Press OK to confirm the test parameters and close the Test Setup Editor. TEST PARAMETER FILES • • • • 63 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 85: Saving The Test File

    The Print function will print to the default Windows printer. Click the Print Preview command to inspect the printout prior to printing. 64 • • • • TEST PARAMETER FILES CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 86: Section 6 - Maintenance And Fault Finding

    Calibration function to calibrate the CITS/cable system. CITS Verification and Calibration The CITS500s includes facilities to verify the accuracy of the CITS500s system (i.e. the instrument and probe cable without the probe) and if necessary calibrate the system against impedance standards (e.g.
  • Page 87: Differential Calibration

    (e.g. airlines or similar). • Select the Diagnostics command from the Utilities menu • Double click the right mouse button on the CITS500s icon to enable Calibration mode. • Press the Learn Cable Length button. The CITS will determine the length of the cable, and display the time difference from the nominal length.
  • Page 88: Cits500S Servicing

    I.D.I or their local agents. The order code is SS 75E 4.9 G) Cleaning Clean the CITS500s with a cloth lightly moistened with water with a small amount of mild detergent. Alternatively, a cloth lightly moistened with alcohol (ethanol or methylated spirit) or isopropyl alcohol (IPA) may be used.
  • Page 89: Fault Diagnosis

    Check the printer is switched on. Check connection of the PC to the printer. Print a window test page for the printer. 68 • • • • MAINTENANCE AND FAULT FINDING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 90: Appendix A - Characteristic Impedance

    E r of the insulating material. The diagram below includes equations for calculating the characteristic impedance of coaxial cable, microstrip and stripline. MAINTENANCE AND FAULT FINDING • • • • A-1 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 91: Determination Of Characteristic Impedance

    Consequently the accuracy of measurements of high impedances is reduced. A-2 • • • • MAINTENANCE AND FAULT FINDING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 92: Appendix B - Electrostatic Discharge

    Packaging materials such polythene (e.g. bags or tubes), polystyrene containers or padding (e.g. chipples, etc.) and adhesive tape used to seal containers MAINTENANCE AND FAULT FINDING • • • • B-1 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 93: Static Free Workstations

    Do not point the probe tip at surfaces that may have a static charge, e.g. monitor screens B-2 • • • • MAINTENANCE AND FAULT FINDING CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 94 Turns On to strobe Pass and Fail outputs /Strobe Turns Off to strobe Pass and Fail outputs Common Common line for all outputs MAINTENANCE AND FAULT FINDING • • • • B-1 CITS500s Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 95 This page is intentionally blank. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 96: Controlled Impedance Application Notes

    APPENDIX D APPLICATION NOTES Controlled Impedance Application Notes currently available Polar Instruments produces a series of Applications Notes to assist customers with Controlled Impedance testing applications. The following Controlled Impedance Application Notes are currently available. AP118 Frequently Asked Questions on Controlled Impedance AP131 Paper –...