ユーザーズマニュアル目次Title Page1WARRANTY3Contacting Tektronix4Table of Contents5List of Figures7List of Tables10General Information11Product Description11Battery Pack11Options11Standards, Documents, and References Used11Changes and History Information11Installation and Repacking12Unpacking and Initial Inspection12Power Source and Power Requirements12Repacking for Shipment12General Safety Summary15Safety Terms and Symbols15Power Source16Grounding the Product16Danger Arising from Loss of Ground16Use the Proper Power Cord16Use the Proper Fuse16Do Not Operate in Explosive Atmosphere16Do Not Remove Covers or Panels16Connecting Cables to the Front- Panel BNC16Disposal of Batteries16Operating Instructions19Overview19Handling19Powering the 1502C19Care of the Battery Pack20Battery Charging21Low Battery21Low Temperature Operation22Preparing to Use the 1502C23Display24Front-Panel Controls25Menu Selections26Main Menu26Test Preparations30The Importance of Vp (Velocity of Propagation)30Finding an Unknown Vp30Cable Test Procedure32Distance to the Fault32Reflection Coefficient Measurements35Return Loss Measurements36Ohms-at-Cursor37Using VIEW INPUT38How to Store the Waveform38Using VIEW STORE39Using VIEW DIFF39Using Horizontal Set Reference42Using Vertical Set Reference44Vertical Compensation for Higher Impedance Cable44Additional Features (Menu Selected)47Max Hold47Pulse On/Off48Single Sweep49Operator Tutorial51What is the Tektronix 1502C?51How Does It Do It?51You, the Operator51Menus and Help51Getting Started52The Waveform Up Close55A Longer Cable57Ohms-at-Cursor58Noise61Set Ref (Delta Mode)63HORZ SET REF63VERT SET REF65VIEW INPUT67STORE and VIEW STORE68VIEW DIFF70Menu-Accessed Functions71Max Hold71Pulse On / Off73Single Sweep74TDR Questions and Answers76Options and Accessories79Option 04: YT-1 Chart Recorder79Option 05: Metric Default79Option 07: YT-1S Chart Recorder79Power Cord Options79Test Data Record Option80Option DE80Accessories80Standard Accessories80Optional Accessories80Appendix A: Specifications83Electrical Characteristics83Environmental Characteristics85Certifications and Compliances86Physical Characteristics87Appendix B: Operator Performance Checks89Equipment Required89Getting Ready89Power On89Metric Instruments89Set Up90Horizontal Scale (Timebase) Check90Vertical Position (Offset) Check93Noise Check94Offset/Gain Check95Sampling Efficiency Check95Aberrations Check96Risetime Check97Jitter Check99Conclusions100Appendix C: Operator Troubleshooting101Error Messages103Message: Option Port Device Not Responding... Please check for correct installation.103Message: ERROR: Acquisition Initialization TYPE: Pulse gap > 3.75 dB103Message: ERROR: Acquisition Initialization TYPE: Initial Pulse Height > 2 Divs at 0 dB104Message: ERROR: Acquisition Initialization TYPE: Vertical Scale failure104Message: ERROR: Acquisition Initialization TYPE: Vertical Position failure Pulse base off top of LCD105Message: ERROR: Acquisition Initialization TYPE: Leading edge of pulse not found105Appendix D: Application Note107Pulse Echo Testing of Electrical Transmission Lines107Terms and Symbols107Relationships108VSWR vs. Percent Reflected Voltage108Return Loss (dB) vs. Percent Reflected Voltage109Percent Reflected Voltage vs. Characteristic Line Impedance 50 or 75 ohm Source110Percent Reflected Voltage vs. Load Resistance112Characteristic Line Impedance or Load Resistance vs. Reflection Amplitude (as seen on your TDR)112Centimeters vs. Inches or Meters vs. Feet113Dielectric Constant vs. Velocity Factor114Time vs. Short Distances, in Centimeters or Inches (any dielectric)114Time vs. Long Distances, in Meters or Feet (any dielectric)115Glossary117Index123サイズ: 3.27MBページ数: 126Language: Englishマニュアルを開く