Tektronix TDS2022C

Table of Contents
General safety summary .......................................................................................... vi
Service safety summary.......................................................................................... viii
Preface .............................................................................................................. ix
Manual Conventions.......................................................................................... ix
Related Documentation ...................................................................................... ix
Specifications ....................................................................................................... 1
Signal Acquisition System Characteristics................................... ............................... 1
Time Base System ............................................................................................. 7
Triggering System ............................................................................................. 9
Display Specifications........................................................................................ 13
Interfaces and Output Por ts Specifications................................................................. 14
Data Handling Characteristics............................................................................... 14
Power Distribution System .................................................................................. 14
Mechanical Characteristics .................................................................................. 15
Environmental Performance................................................................................. 15
Data Logging System Characteristics (Not Available on TDS1000C-EDU Models) ................. 15
Limit Te sting System Characteristics (Not Available o n TDS1000C-EDU Models) ................. 16
Where to Find Operating Information........................................................................... 19
Theory of Operation............................................................................................... 21
System Level Block Diagrams .............................................................................. 22
Main Board .................................................................................................... 24
Acquisition System ............ .. ........................................................................ 24
Processing and Display System ........................................................................ 25
Input Signal Interface.................................................................................... 25
Probe Compensation..................................................................................... 25
External Trigger.......................................................................................... 25
Main Board Power....................................................................................... 25
Power Supply.................................................................................................. 25
Display Module ............................................................................................... 26
Front Panel .................................................................................................... 26
Two-Channel Oscilloscopes ................................ .. .......................................... 26
Four-Channel Oscilloscopes ............................................................................ 26
Performance Verification ......................................................................................... 27
Required Equipment.......................................................................................... 27
Test Record .................................................................................................... 28
Performance Ve rification Procedures....................................................................... 29
Self Test................................................................................................... 29
Self Calibration........................................................................................... 29
Check DC Gain Accuracy............................................................................... 29
TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual i