Tektronix 2235 Oscilloscope
Manufacturer:
Model:
2235
Date:
1983
Category:
Group:
Description:
Dual Channel 100MHz Oscilloscope

Information

The Tektronix 2235 Oscilloscope is a rugged, lightweight, dual-channel, 100-MHz instrument that features a bright, sharply defined trace on an 80- by 100-mm cathode-ray tube (crt). Its vertical system provides calibrated deflection factors from 2 mV per division to 5 V per division. Trigger circuits enable stable triggering over the full bandwidth of the vertical system. The horizontal system provides calibrated sweep speeds from 0.5 s per division to 50 ns per division along with delayed-sweep features for accurate relative-time measurements. A X10 magnifier extends the maximum sweep speed to 5 ns per division.

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User Manual
Manual type:
User Manual
Pages:
58
Size:
2.82 Mbytes (2952643 Bytes)
Language:
english
Revision:
revised
Manual ID:
070-4207-00
Date:
1987 04 01
Quality:
Scanned document, all readable.
Upload date:
2017 04 23
MD5:
297dc67bc8b4d09c938328cda15d287a
Downloads:
860

Information

LIST OF ILLUSTRATIONS ... ii LIST OF TABLES ... ii OPERATORS SAFETY SUMMARY ... ¡ii SECTION 1 GENERAL INFORMATION INTRODUCTION ... 1-1 SPECIFICATION ... 1-1 CALIBRATION ... 1-10 REPACKAGING FOR SHIPMENT ... 1-10 SECTION 2 PREPARATION FOR USE FIRST-TIME START UP ... 2-1 SAFETY ... 2-1 LINE VOLTAGE ... 2-1 POWER CORD ... 2-1 LINE FUSE ... 2-2 INSTRUMENT COOLING ... 2-2 CONTROLS, CONNECTORS, AND INDICATORS ... 2-3 POWER, DISPLAY, AND Probe ADJUST ... 2-3 VERTICAL ... 2-4 HORIZONTAL ... 2-5 TRIGGER ... 2-6 REAR PANEL ... 2-8 SECTION 3 OPERATING CONSIDERATIONS GENERAL OPERATING INFORMATION ... 3-1 GRATICULE ... 3-1 GROUNDING ... 3-1 SIGNAL CONNECTIONS ... 3-1 INPUT COUPLING CAPACITOR PRECHARGING ... 3-1 OPERATOR'S ADJUSTMENTS ... 3-2 TRACE ROTATION ... 3-2 Probe COMPENSATION ... 3-2 Page SECTION 4 OPERATING PROCEDURES INSTRUMENT FAMILIARIZATION ... 4-1 INTRODUCTION ... 4-1 BASELINE TRACE ... 4-1 DISPLAYING A SIGNAL ... 4-2 BASIC APPLICATIONS ... 4-7 NONDELAYED MEASUREMENTS ... 4-7 DELAYED-SWEEP MAGNIFICATION ... 4-16 DELAYED-SWEEP TIME MEASUREMENTS ... 4-18 SECTION 5 OPTIONS AND Accessories OPTIONS ... 5-1 STANDARD Accessories INCLUDED ... 5-1 OPTIONAL Accessories ... 5-1

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Service and User Manual
Manual type:
Service and User Manual
Pages:
229
Size:
54.46 Mbytes (57103053 Bytes)
Language:
english
Revision:
Revised
Manual ID:
070-4206-00
Date:
Quality:
Scanned document, all readable.
Upload date:
2013 04 15
MD5:
c7925be4f58e3abe6b43dfb694abbdae
Downloads:
2220

Information

LIST OF ILLUSTRATIONS ... ni LIST OF TABLES ... iii OPERATORS SAFETY SUMMARY ... i v SERVICING SAFETY SUMMARY ... v SECTION 1 SPECIFICATION INTRODUCTION ... 1-1 ACCESSORIES ... 1-1 PERFORMANCE CONDITIONS ________1-1 SECTION 2 OPERATING INSTRUCTIONS PREPARATION FOR USE ... 2-1 SAFETY ... 2-1 LINE VOLTAGE ... 2-1 POWER CORD ... 2-1 LINE FUSE ... 2-1 INSTRUMENT COOLING ... 2-2 CONTROLS, CONNECTORS, AND INDICATORS ... 2-2 POWER, DISPLAY, AND Probe ADJUST ... 2-2 VERTICAL ... 2-3 HORIZONTAL ... 2-4 TRIGGER ... 2-6 REAR PANEL ... 2-8 GRATICULE ... 2-8 GROUNDING ... 2-8 SIGNAL CONNECTIONS ... 2-8 INPUT COUPLING CAPACITOR PRECHARGING ... 2-8 OPERATOR’S ADJUSTMENTS ________2-9 INTRODUCTION ... 2-9 TRACE ROTATION ... 2-9 Probe COMPENSATION ... 2-9 Oscilloscope DISPLAYS ... 2-10 INTRODUCTION ... 2-10 BASELINE TRACE ... 2-10 SIGNAL DISPLAY ... 2-11 MAGNIFIED-SWEEP DISPLAY .. 2-11 DELAYED-SWEEP DISPLAY ________2-11 DELAYED-SWEEP MEASUREMENTS ... 2-11 SINGLE-SWEEP DISPLAY ... 2-12 X-Y DISPLAY ... 2-12 TV SIGNAL DISPLAYS ... 2-12 SECTION 3 THEORY OF OPERATION INTRODUCTION ... 3-1 GENERAL DESCRIPTION ... 3-2 DETAILED CIRCUIT DESCRIPTION 3-3 VERTICAL ATTENUATORS ... 3-3 Input Coupling ... 3-3 Buffer Amplifier and Gain Switching Network ... 3-4 Paraphase Amplifier ... 3-5 CHANNEL SWITCH AND VERTICAL OUTPUT ... 3-5 Delay Line Driver ... 3-6 Vertical Output Amplifier ... 3-6 A/B Sweep Separation Circuit . 3-7 TRIGGER AMPLIFIERS AND SWITCHING ... 3-7 Internal Trigger ... 3-7 Internal Trigger Amplifier ... 3-8 Line Trigger Amplifier ... 3-8 A TRIGGER Generator ... 3-9 A Trigger Level Circuit ... 3-9 A Trigger Level Comparator . . 3-9 A Schmitt Trigger and TV Trigger Circuit ... 3-9 A SWEEP Generator AND LOGIC ... 3-9 A Miller Sweep Generator ... 3-10 A Sweep Logic ... 3-11 ALTERNATE B SWEEP ... 3-11 B Miller Sweep Generator ... 3-12 B Trigger Level Comparator . . 3-12 Runs After Delay ... 3-12 B Delay Time Position Comparator ... 3-12 B Sweep Logic ... 3-12 Alternate Display Switching Logic ... 3-13 B Z-Axis Logic ... 3-13 HORIZONTAL ... 3-13 Horizontal Preamplifier ... 3-14 X-Y Amplifier ... 3-15 Z-AXIS Amplifier ... 3-15 Dc Restor SECTION 3 THEORY OF OPERATION (cont) Power supply AND Probe ADJUST ... 3-17 Power Input ... 3-17 Preregulator ... 3-17 Inverter ... 3-18 Crt Supply ... 3-18 Focus Circuit ... 3-18 Low-Voltage Supplies ... 3-19 Probe Adjust ... 3-19 SECTION 4 PERFORMANCE CHECK PROCEDURE INTRODUCTION ... 4-1 PURPOSE ... 4-1 STRUCTURE ... 4-1 TEST EQUIPMENT ... 4-1 LIMITS AND TOLERANCES ________4-1 PREPARATION FOR CHECKS . . 4-2 INTRODUCTION TO PERFORMANCE CHECK STEPS 4-3 VERTICAL ... 4-4 HORIZONTAL ... 4-8 TRIGGER ... 4-12 EXTERNAL Z-AXIS AND Probe ADJUST ... 4-15 SECTION 5 ADJUSTMENT PROCEDURE INTRODUCTION ... 5-1 PURPOSE ... 5-1 STRUCTURE ... 5-1 TEST EQUIPMENT ... 5-1 LIMITS AND TOLERANCES ________5-1 ADJUSTMENT INTERACTION . . 5-1 PREPARATION FOR ADJUSTMENT ... 5-1 INDEX TO ADJUSTMENT PROCEDURE STEPS ... 5-3 Power supply AND CRT DISPLAY 5-4 VERTICAL ... 5-6 HORIZONTAL ... 5-14 TRIGGER ... 5-20 EXTERNAL Z-AXIS AND Probe ADJUST ... 5-24 SECTION 6 MAINTENANCE STATIC-SENSITIVE COMPONENTS 6-1 PREVENTIVE MAINTENANCE ... 6-2 Page SECTION 6 MAINTENANCE (cont) INTRODUCTION ... 6-2 GENERAL CARE ... 6-2 INSPECTION AND CLEANING . . 6-2 LUBRICATION ... 6-4 TROUBLESHOOTING ... 6-5 INTRODUCTION ... 6-5 TROUBLESHOOTING AIDS ________6-5 TROUBLESHOOTING EQUIPMENT ... 6-6 TROUBLESHOOTING TECHNIQUES ... 6-6 CORRECTIVE MAINTENANCE ________6-10 INTRODUCTION ... 6-10 MAINTENANCE PRECAUTIONS . 6-10 OBTAINING REPLACEMENT PARTS ... 6-10 MAINTENANCE AIDS ... 6-10 INTERCONNECTIONS ... 6-10 TRANSISTORS AND INTEGRATED CIRCUITS ... 6-11 SOLDERING TECHNIQUES ... 6-12 REMOVAL AND REPLACEMENT INSTRUCTIONS ... 6-13 Cabinet ... 6-13 Cathode-Ray Tube ... 6-13 Power-Supply Shield ... 6-14 Filter Circuit Board ... 6-14 Alt Sweep Circuit Board ... 6-15 Attenuator Circuit Board ... 6-15 Timing Circuit Board ... 6-16 Bottom Shield, Attenuator and Timing Circuit-Board Module .. 6-17 Front-Panel Circuit Board ... 6-17 Main Circuit Board ... 6-18 REPACKAGING FOR SHIPMENT 6-20 SELECTABLE COMPONENTS . . 6-20 SECTION 7 OPTIONS SECTION 8 REPLACEABLE ELECTRICAL PARTS SECTION 9 DIAGRAMS SECTION 10 REPLACEABLE MECHANICAL PARTS Accessories CHANGE INFORMATION

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