DPO70000SX Series Oscilloscopes Technical Reference *P077104301* 077-1043-01 DPO70000SX Series Oscilloscopes Technical Reference Warning The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to performing service. Supports Product Firmware V7.0 and above. www.tektronix.com 077-1043-01 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specifications and price change privileges reserved. TEKTRONIX and TEK are registered trademarks of Tektronix, Inc. Contacting Tektronix Tektronix, Inc. 14150 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA For product information, sales, service, and technical support: ■ In North America, call 1-800-833-9200. ■ Worldwide, visit www.tektronix.com to find contacts in your area. Table of Contents Contacting Tektronix ......................................................................................................................... 0 Important safety information .............................................................................................................. iii General safety summary ................................................................................................................ iii Terms in the manual ...................................................................................................................... vi Terms on the product ..................................................................................................................... vi Symbols on the product ................................................................................................................. vi Specifications Vertical system analog channels ..................................................................................................... 1 Horizontal and acquisition system ................................................................................................ 15 Trigger specifications ................................................................................................................... 18 Input-output port specifications .................................................................................................... 25 Data storage specifications ........................................................................................................... 27 Power source specification ........................................................................................................... 28 Mechanical specifications ............................................................................................................. 28 Environmental specifications ....................................................................................................... 29 Performance verification Performance verification .............................................................................................................. 31 Conventions .................................................................................................................................. 32 Brief procedures ........................................................................................................................... 34 Self tests ........................................................................................................................................ 34 Functional tests ............................................................................................................................. 35 Verify all analog input channels ................................................................................................... 36 Verify the time base ...................................................................................................................... 38 Verify the A (Main) and B (Delayed) trigger systems ................................................................. 40 Verify the file system ................................................................................................................... 41 Performance tests .......................................................................................................................... 42 Prerequisites .................................................................................................................................. 43 Equipment required ...................................................................................................................... 43 Test record .................................................................................................................................... 48 Signal acquisition system checks ................................................................................................. 86 Check DC voltage measurement accuracy, ATI channel ............................................................. 87 Check DC voltage measurement accuracy, TekConnect channels ............................................... 90 Check DC gain accuracy, ATI channel ........................................................................................ 97 Check DC gain accuracy, TekConnect channels ........................................................................ 100 DPO70000SX Series i Table of Contents Check offset accuracy, ATI channel ........................................................................................... 125 Check offset accuracy, TekConnect channels ............................................................................ 128 Check analog bandwidth, ATI channel ...................................................................................... 132 Check channel bandwidth, TekConnect channels ...................................................................... 135 Check Input Resistance, ATI channel ........................................................................................ 140 Check input resistance, TekConnect channels ........................................................................... 141 Time base system checks ............................................................................................................ 143 Check timebase and delay time accuracy and reference ............................................................ 143 Check delta time measurement accuracy .................................................................................... 147 Trigger system checks ................................................................................................................ 152 Check time qualified trigger accuracy ........................................................................................ 152 Check sensitivity edge trigger DC coupled ................................................................................ 156 Output signal checks ................................................................................................................... 163 Check fast edge output ............................................................................................................... 163 Sine wave generator leveling procedure ..................................................................................... 168 Method 1 ................................................................................................................................ 168 Method 2 ................................................................................................................................ 170 ii DPO70000SX Series Important safety information This manual contains information and warnings that must be followed by the user for safe operation and to keep the product in a safe condition. General safety summary Use the product only as specified. Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. Carefully read all instructions. Retain these instructions for future reference. Comply with local and national safety codes. For correct and safe operation of the product, it is essential that you follow generally accepted safety procedures in addition to the safety precautions specified in this manual. The product is designed to be used by trained personnel only. Only qualified personnel who are aware of the hazards involved should remove the cover for repair, maintenance, or adjustment. Before use, always check the product with a known source to be sure it is operating correctly. This product is not intended for detection of hazardous voltages. Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed. DPO70000SX Series iii Important safety information To avoid fire or personal Use proper power cord. Use only the power cord specified for this product and injury certified for the country of use. Do not use the provided power cord for other products. Ground the product. This product is grounded through the grounding conductor of the power cord. To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product