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Tektronix 2236 User Manual

Tektronix 2236
60 pages
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П
Tektronix
C
COMMITTED
TO
EXCELLENCE
П
П
o
П
П
П
on
п
П
П
Tektronix
National
Marketing
Center
for
Product
Order
Information
,
contact
your
local
Tektronix
sales
representative
or
,
in
the
U.S.
,
call
1-800-426-2200
ext
41
In
Oregon
call
collect
(503)627-9000
ext
41
Tektronix
National
Marketing
Center
P.O.
Box
500
D
/
S
Y6-088
,
Beaverton
,
OR
97077
PLEASE
CHECK
FOR
CHANGE
INFORMATION
AT
THE
REAR
OF
THIS
MANUAL
.
2236
OSCILLOSCOPE
OPERATORS
п
П
П
П
INSTRUCTION
MANUAL
C
Tektronix
,
Inc.
P.O.
Box
500
Beaverton
,
Oregon
97077
Serial
Number
070-4205-00
Product
Group
46
First
Printing
JAN
1983
Revised
OCT
1987

Table of Contents

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Tektronix 2236 Specifications

General IconGeneral
TypeOscilloscope
Bandwidth100 MHz
Channels2
Vertical Sensitivity2 mV/div to 5 V/div
Memory Depth1 kpts
Counter Resolution8 digits
Rise Time3.5 ns
Max Input Voltage400 V (DC + AC peak)
DisplayCRT
Counter Frequency Range10 Hz to 100 MHz
Input Impedance1 MΩ
Power Supply48-440 Hz
Trigger ModesAuto, Normal, Single

Summary

OPERATORS SAFETY SUMMARY

Manual and Equipment Markings

Defines terms and symbols used in the manual and on the equipment.

Power and Grounding Safety

Details safe power source usage, grounding, and hazards of losing ground connection.

Operational Safety Precautions

Covers safe use of fuses, power cords, and operating environment considerations.

GENERAL INFORMATION

Introduction to the 2236 Oscilloscope

Provides an overview of the 2236 oscilloscope's features and capabilities.

Instrument Specifications

Lists electrical characteristics, environmental factors, and physical dimensions of the 2236.

CALIBRATION AND SHIPPING

Calibration Procedure

Outlines when to check instrument performance for calibration.

Repackaging for Shipment

Provides instructions for safely packaging the instrument for service or repair.

PREPARATION FOR USE

First-Time Setup Guide

Covers initial setup including safety, power, and fuses for first-time operation.

Line Voltage and Power Cord Safety

Details line voltage range, power cord connection, and fuse safety.

INSTRUMENT CONTROLS AND CONNECTORS

Instrument Cooling Requirements

Emphasizes maintaining adequate cooling by keeping ventilation holes clear.

Display, Power, and Probe Adjust Controls

Describes controls related to display, power status, and probe adjustment output.

VERTICAL CONTROLS

HORIZONTAL CONTROLS

TRIGGER CONTROLS

COUNTER, TIMER, MULTIMETER CONTROLS

SIDE AND REAR PANEL CONNECTORS

OPERATORS FAMILIARIZATION

General Operating Information

Covers graticule, grounding, signal connections, and precharging for accurate measurements.

Graticule Usage for Measurements

Explains the graticule markings for accurate measurements without parallax error.

Grounding for Reliable Measurements

Stresses the importance of proper grounding for accurate signal measurements.

Signal Connection Techniques

Discusses using probes and coaxial cables for connecting signals to the instrument.

Input Coupling Capacitor Precharging

Explains the procedure for charging the input coupling capacitor to prevent transients.

CTM MEASUREMENT CONSIDERATIONS

STATUS AND ERROR MESSAGES

OPERATOR'S ADJUSTMENTS

Introduction to Adjustments

Guides on verifying operation and performing adjustments before making measurements.

Baseline Trace Setup

Provides steps to establish a baseline trace by presetting controls and warming up the instrument.

Trace Rotation Adjustment

Details how to align the CRT trace parallel to the center horizontal graticule line.

PROBE COMPENSATION

Channel 1 and Channel 2 Probe Compensation

Step-by-step guide for compensating probes using the PROBE ADJUST output.

Channel 1 AC RMSV Probe Compensation

Outlines compensation for AC RMSV measurements using a calibration system.

OPERATING PROCEDURES

Basic Applications Overview

Introduces procedures for making basic measurements with the 2236 oscilloscope.

VOLTAGE MEASUREMENTS

AC Peak-to-Peak Voltage Measurement

Procedure for measuring peak-to-peak voltage of a waveform.

Instantaneous Voltage Measurement

How to measure the voltage level at a specific point on a waveform.

Algebraic Addition of Signals

Displays the sum or difference of two input signals.

Common-Mode Rejection Technique

Method to eliminate unwanted frequency components from signals.

Amplitude Comparison (Ratio)

Compares unknown signals to a known reference signal for amplitude.

TELEVISION DISPLAYS

TV Line Signal Display

Steps to display a TV Line signal using trigger modes and sweep settings.

TV Field Signal Display

Steps to display a TV Field signal using trigger modes and sweep settings.

DELAYED-SWEEP MAGNIFICATION

Magnified Sweep Runs After Delay

Explains operating B Sweep in nontriggered mode for apparent magnification.

Pulse Jitter Time Measurement

Procedure to measure time variations in repetitive pulses.

Triggered Magnified Sweep

Uses triggered B Sweep for stable magnification of waveform sections.

TIME AND FREQUENCY MEASUREMENTS

Period Measurement

Measures the time interval between repetitive pulses.

Frequency Measurement

Measures the frequency of repetitive signals.

Width Measurement

Measures the time interval of a signal pulse.

Time Interval On Single Waveform

Uses Delta Time function for general timing measurements on single waveforms.

Rise Time Measurement

Measures the time for a signal to transition from low to high.

Time Difference Between Pulses (Short Method)

Measures time difference between pulses using triggered delay time.

Time Difference Between Pulses (General Method)

Compares timing between signals on different channels.

Phase Difference Measurement

Measures the phase shift between two signals of equal frequency.

Gated Measurements

Performs frequency, period, width, and totalize measurements using a B Trigger gate interval.

MULTIMETER MEASUREMENTS

Resistance and Semiconductor Junctions

Measures resistance and forward voltage drop of semiconductors.

Continuity Check

Checks for continuity in circuits by measuring resistance.

AC RMS Voltage Measurement

Measures the true RMS value of AC input signals.

DC Volts Measurement

Measures DC voltage levels.

Channel 1 Volts Measurement

Measures DC and AC RMS voltage using Channel 1 input.

Temperature Measurement

Measures temperature using the P6602 temperature probe.

OPTIONS AND ACCESSORIES

Introduction to Options and Accessories

Provides an overview of available instrument options and accessories.

Option 14: High Accuracy Time Base

Replaces internal clock with a crystal oscillator for improved accuracy.

Option 33: Travel Line Protection

Provides impact protection for industrial and service environments.

International Power Cords

Lists Tektronix part numbers for various international power cords.

Standard Accessories Included

Lists accessories provided with each instrument.

Recommended Optional Accessories

Lists optional accessories recommended for use with the instrument.

MANUAL CHANGE INFORMATION

Standard Accessories Update

Notifies a change in the part number for the Standard Power Cord.

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