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Tektronix 2221A User Manual

Tektronix 2221A
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User Manual
Tektronix
2221A
Digital Storage Oscilloscope
070-8156-02

Table of Contents

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Tektronix 2221A Specifications

General IconGeneral
TypeOscilloscope
Bandwidth100 MHz
Channels2
Vertical Sensitivity2 mV/div to 5 V/div
Trigger ModesAuto, Normal, Single
DisplayCRT
Input Impedance1 MΩ
Maximum Input Voltage400 V (DC + peak AC)
Weight7.7 kg

Summary

Instrument Serial Numbers

WARRANTY

Welcome

Related Manuals

Lists additional documentation for the oscilloscope.

Before You Begin

Safety

Important safety precautions and warnings for operation.

Startup

Procedures for powering on and initial configuration.

Initial Setup

Steps to prepare the oscilloscope for use.

Adjusting Trace Rotation

Procedure to align the display trace horizontally.

Checking the Probe Compensation

Crucial step for accurate measurements.

Installing the Accessory Pouch

Instructions for accessory attachment.

Using the Power Cord Wrap

Guidance on storing the power cord.

At a Glance

Front Panel

Description of the oscilloscope's front panel layout.

Power Switch

Details on turning the instrument on and off.

CRT Display

Description of the oscilloscope's screen and graticule.

Display Mode

Explains how to select between analog and digital modes.

CRT Display Controls

Adjustments for brightness, focus, and illumination.

Vertical Controls and Connections

Configuration of input channels and scaling.

Horizontal Controls

Settings for time base and horizontal positioning.

Trigger Controls

Functions for synchronizing sweeps with signals.

Cursor Controls

Tools for precise on-screen measurements.

Acquisition Controls

Settings for digital data capture.

Save Reference Memory Buttons

Controls for storing waveforms.

Setup Menus

Accessing instrument configuration settings.

Acquisition Menu

Menu for configuring signal digitizing parameters.

Display Menu

Menu for adjusting display parameters like smoothing.

Plot Menu

Menu for configuring hardcopy output.

Advanced Functions Menu

Menu for diagnostics and advanced settings.

In Detail

Displaying Signals

Instructions on how to view and interpret waveforms.

Applying Signals to the Vertical Inputs

How to connect signals to the oscilloscope's inputs.

Connecting Signals

Methods for connecting probes or coaxial cables.

Coupling Signals

How to select AC, DC, or Ground coupling for inputs.

Precharging the Signal Input

Procedure for optimizing input capacitor charging.

Building a Basic Display

Fundamental steps for setting up a waveform display.

Presetting the Controls

Initial adjustment of front panel controls.

Selecting the Display Mode (STORE/NON-STORE)

Choosing between analog and digital display modes.

In Detail

Selecting the Trigger Mode

How to choose trigger modes for stable waveform displays.

Selecting the Horizontal Mode and Scale

Adjusting the time base and horizontal position.

Selecting the Vertical Mode and Scale

Adjusting vertical sensitivity and position.

Setting the Display Intensity and Focus

Fine-tuning the display's appearance.

Finding “Lost” Displays

Troubleshooting steps to locate a hidden signal.

Measuring Signals

Techniques for measuring waveform parameters.

Measuring with the Graticule

Using screen grid lines for measurements.

Measuring with STORE Mode Cursors

Using cursors for precise measurements.

Positioning the Cursors

Moving measurement markers on the display.

Selecting a Cursor

Choosing which cursor to manipulate.

Selecting a Waveform

Choosing the waveform for measurement.

Measuring Voltage

Quantifying signal amplitude.

Measuring Voltages in Reference to Ground

Measuring DC and AC levels relative to ground.

Measuring Time with the Graticule or Cursors

Measuring time intervals on waveforms.

Measuring Frequency

Calculating signal frequency from measurements.

Measuring Rise Time and Fall Time

Measuring signal edge transition times.

Measuring Trigger Level

Setting the voltage threshold for triggering.

Measuring Phase Difference

Comparing timing relationships between signals.

Product Description

Safety

Symbols and Terms

Explanations of safety symbols and terms used.

Specific Precautions

Essential safety guidelines for operating the instrument.

Start Up

Installation & Power On

Steps for connecting power and turning on the oscilloscope.

Check that you have the proper power supply

Requirement for the input power source.

Check the fuse

Verifying the fuse rating.

Appropriate operating environment

Environmental conditions for operation.

Leave space for cooling

Ensuring adequate ventilation.

Connect the power cord

Connecting the instrument to power.

Push the POWER button

Powering on the oscilloscope and initiating diagnostics.

Initial Setup

Guidance for basic instrument configuration.

Setting Up the Display

Configuring the screen for initial viewing.

Adjusting Trace Rotation

Aligning the display trace horizontally.

Checking the Probe Compensation

Calibrating probes for accurate measurements.

Installing the Accessory Pouch

Instructions for attaching the accessory pouch.

Using the Power Cord Wrap

Method for winding the power cord for storage.

Front Panel

Front Panel Control Sections

Identifying distinct functional areas on the panel.

CRT Display Controls

Controls for adjusting display intensity and focus.

Cursor Controls

Controls for making on-screen measurements.

Display Mode Select Button

Button to switch between analog and digital modes.

Buttons Select either Menu Items or Save/Recall Waveform References

Buttons for menu navigation and data storage.

Power Switch

Description of the power control.

Horizontal Controls

Controls for time base and sweep positioning.

Vertical Controls and Input

Controls for vertical scaling and input signals.

Trigger Controls and External Input

Controls for signal synchronization and external sources.

Front Panel

CRT Display

Description of the oscilloscope's screen and graticule.

Front Panel

Vertical Controls

Controls for channel input and vertical scaling.

Horizontal Controls

Controls for time base and sweep positioning.

Trigger Controls

Controls for signal synchronization.

Front Panel

Power Switch

Details on turning the instrument on and off.

Front Panel

CRT Display

Description of the oscilloscope's screen and graticule.

Front Panel

Display Mode

Explains how to select between analog and digital modes.

Front Panel

Digital (STORE) Mode Display

Features specific to the digital store mode.

Other Readout Symbols

Interpretation of symbols shown on the display.

Front Panel

CRT Display Controls

Controls for adjusting display intensity and focus.

Front Panel

CRT Display Controls

Detailed description of intensity, trace rotation, focus, etc.

Front Panel

Vertical Controls and Connections

Description of vertical input and scaling controls.

Front Panel

Vertical Controls and Connections (Cont.)

Detailed explanation of vertical controls like POSITION, BW LIMIT, ADD/ALT/CHOP.

Front Panel

Vertical Controls and Connections (Cont.)

Continued description of vertical controls like COUPLING, VOLTS/DIV, CAL.

Front Panel

Vertical Controls and Connections (Cont.)

Continued description of vertical controls like COUPLING, VOLTS/DIV, CAL.

Front Panel

Horizontal Controls

Description of time base and horizontal positioning controls.

Front Panel

Horizontal Controls

Detailed explanation of horizontal controls like POSITION, SEC/DIV, X10 MAG.

Front Panel

Trigger Controls

Description of controls for synchronizing the sweep.

Front Panel

Trigger Controls (Cont.)

Detailed explanation of trigger controls like VAR HOLDOFF, P-P AUTO, NORM.

Front Panel

Trigger Controls (Cont.)

Continued description of trigger controls like COUPL, SOURCE, LEVEL, SLOPE.

Front Panel

Trigger Controls (Cont.)

Continued description of trigger controls like COUPL, SOURCE, LEVEL, SLOPE.

Front Panel

Cursor Controls

Controls for making on-screen measurements.

Front Panel

Acquisition Controls

Controls for setting record length and acquisition mode.

Front Panel

Save Reference Memory Buttons

Buttons for saving and recalling waveforms.

Setup Menus

Setup Buttons

Buttons used to navigate and select setup menus.

Menu Item Select Buttons

Buttons for selecting menu items within a setup.

Setup Menus

Acquisition Menu

Menu for configuring signal digitizing parameters.

Setup Menus

Acquisition Menu

Details on acquisition modes like Average, Roll/Scan, Ext Clock.

Setup Menus

Display Menu

Menu for configuring display parameters like cursors and smoothing.

Setup Menus

Plot Menu

Menu for configuring waveform plotting parameters.

Setup Menus

Advanced Functions Menu

Menu for accessing diagnostics and advanced settings.

Setup Menus

Save Setup Menu

Menu for saving and recalling instrument configurations.

Setup Menus

Recall Setup

Restoring saved instrument settings.

Save Setup

Saving current instrument settings.

Displaying Signals

Applying Signals to the Vertical Inputs

How to connect signals to the oscilloscope's inputs.

Connecting Signals

Methods for connecting probes or coaxial cables.

Coupling Signals

How to select AC, DC, or Ground coupling for inputs.

Displaying Signals

Precharging the Signal Input

A specific procedure for input signal preparation.

Displaying Signals

Building a Basic Display

Fundamental steps for setting up a waveform display.

Presetting the Controls

Initial adjustment of front panel controls.

Selecting the Display Mode (STORE/NON-STORE)

Choosing between analog and digital display modes.

Displaying Signals

Selecting the Trigger Mode

How to choose trigger modes for stable waveform displays.

Selecting the Horizontal Mode and Scale

Adjusting the time base and horizontal position.

Displaying Signals

Selecting the Vertical Mode and Scale

Adjusting vertical sensitivity and position.

Displaying Signals

Setting the Display Intensity and Focus

Fine-tuning the display's appearance.

Displaying Signals

Finding “Lost” Displays

Troubleshooting steps to locate a hidden signal.

Displaying Signals

Digitizing Signals

Procedures for capturing and processing signals digitally.

Displaying Signals

Selecting the Acquisition Mode

Choosing how the oscilloscope captures digital data.

Selecting the High-Speed Storage Mode

Using the oscilloscope for fast signal capture.

Selecting Slow-Speed Storage Modes

Using the oscilloscope for slow signal capture.

Displaying Signals

Viewing Slowly Occurring Events

Techniques for observing infrequent signals.

Displaying Signals

Triggered Scan Mode

Capturing slow signals triggered by events.

Untriggered Roll Mode

Observing continuous slow signals without a trigger.

Displaying Signals

Capturing Random Events

Methods for capturing infrequent or random signals.

Displaying Signals

Accumulating Signal Peaks (ACCPEAK)

Mode for observing signal amplitude extremes.

Detecting Signal Glitches

Using modes to identify signal anomalies.

Displaying Signals

Averaging Signals

Mode for reducing noise in repetitive signals.

Sampling Signals

Mode for a real-time view of signals.

Displaying Signals

Clocking Acquisitions

Option for using external clock signals.

Selecting the Acquisition Record Length (1K/4K)

Setting the amount of data captured.

Displaying Signals

Compressing the Acquisition Record Length (4K Compress)

Displaying long records on a single screen.

Displaying Signals

Positioning the Acquisition Record

Selecting the view window relative to the trigger point.

Displaying Signals

Preventing Signal Aliases

Techniques to ensure accurate digital signal representation.

Displaying Signals

Displaying Magnified Sweeps

Zooming in on specific parts of the waveform.

Using the X10 Magnifier

High-magnification technique for detailed viewing.

Displaying Signals

Displaying Two Channels

Using both input channels for comparison.

Comparing Two Signals

Viewing and comparing signals from two channels.

Adding Two Signals

Summing signals from two channels.

Displaying Signals

Displaying X-Y Patterns

Analyzing phase and frequency relationships via X-Y plot.

Displaying Signals

Limiting Bandwidth

Reducing high-frequency noise for clearer signals.

Modulating the Display Intensity

Using an external signal to control display brightness.

Triggering on Signals

Triggering on Repetitive Signals

Using the signal itself to trigger the sweep.

Triggering on Signals

Triggering on Low-Frequency Signals

Techniques for synchronizing slow signals.

Triggering on Random or Infrequent Events

Capturing rare signal occurrences.

Triggering on Signals

Triggering on Complex or Non-Repetitive Signals

Synchronizing with irregular or complex signals.

Triggering on Line Frequency

Using power line signals for synchronization.

Triggering on Signals

Triggering with an External Signal

Using an external source for synchronization.

Triggering on TV Signals

Synchronizing with TV line or field signals.

Triggering on Signals

Removing Unwanted Trigger Signal Components

Filtering trigger signals for better stability.

Measuring Signals

Measuring with the Graticule

Using screen grid lines for measurements.

Measuring with STORE Mode Cursors

Using cursors for precise measurements in stored mode.

Measuring Signals

Positioning the Cursors

Moving and adjusting measurement markers.

Selecting a Cursor

Choosing which cursor to manipulate.

Selecting a Waveform

Choosing the waveform for cursor measurement.

Measuring Voltage

Quantifying signal amplitude.

Measuring Signals

Measuring Voltages in Reference to Ground

Measuring voltage levels relative to ground.

Measuring Signals

Measuring Time with the Graticule or Cursors

Measuring time intervals between points.

Measuring Signals

Measuring Time with the Graticule or Cursors

Detailed steps for time measurement.

Measuring Signals

Measuring Frequency

Calculating frequency from period measurements.

Measuring Signals

Measuring Rise Time and Fall Time

Measuring signal transition times.

Measuring Signals

Measuring Trigger Level

Setting the voltage threshold for triggering.

Measuring Phase Difference

Comparing timing between two signals.

Saving Waveforms and Setups

Saving and Recalling Waveforms

Managing stored waveform data.

Saving the Current Acquisition

Quickly saving the displayed waveform.

Saving Waveforms in SAVE REF Memory

Storing waveforms for later retrieval.

Saving Waveforms and Setups

Recalling a Waveform from SAVE REF

Retrieving stored waveforms from memory.

Comparing Saved Waveforms

Displaying multiple stored waveforms for comparison.

Saving and Recalling Setups

Storing and restoring instrument configuration settings.

Saving a Setup

Storing current instrument settings.

Saving Waveforms and Setups

Recalling a Setup from Memory

Restoring previously saved settings.

Recalling a Power Up State

Configuring how the instrument starts.

Transmitting Waveforms

Communicating via Interface Options

Connecting to printers, plotters, or computers via GPIB/RS-232.

Transmitting Waveforms

Plotting or Printing a Waveform

Using the auxiliary connection for hardcopy output.

Transmitting Waveforms

Plot Menu

Menu for configuring waveform plotting parameters.

Transmitting Waveforms

Auto Plot

Feature for automatic waveform plotting.

XY Setup

Calibration pattern for X-Y plotter output.

Start

Command to initiate waveform transmission.

Appendix A: Options and Accessories

Options

List of optional upgrades for the instrument.

Options A1-A5: International Power Cords

Details on alternative power cords.

OPTION 10: GPIB Interface

Information on the General Purpose Interface Bus option.

OPTION 12: RS-232-C Interface

Information on the serial communication interface option.

Appendix A: Options and Accessories

OPTION 33: Travel Line

Description of the ruggedized carrying option.

OPTION 3R: Rackmount

Information on rack-mounting the instrument.

Standard Accessories

List of items included with the oscilloscope.

Appendix A: Options and Accessories

Other Accessories

List of recommended optional accessories.

Appendix B: Specification

General Product Description

Overview of the oscilloscope's features and applications.

Vertical System

Specifications related to the vertical signal processing.

Horizontal System

Specifications related to the time base and horizontal sweep.

Digital Storage System

Specifications for the digital data acquisition capabilities.

Appendix B: Specification

User Interface

Description of how the instrument is controlled.

Front Panel Controls

Details on the physical controls and their grouping.

Display

Information about the on-screen readouts and indicators.

Appendix B: Specification

Measurement Features

Capabilities for measuring voltage and time.

Options and Accessories

Reference to where details on options are found.

Performance Conditions

Environmental and operational conditions for specifications.

Appendix B: Specification

Characteristic Tables

Reference to detailed performance data.

Table A-4: Electrical Characteristics

Specific electrical performance parameters.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-5: Environmental Characteristics

Specifications regarding environmental operating conditions.

Appendix B: Specification

Table A-5: Environmental Characteristics (Cont.)

Continued environmental specifications.

Table A-6: Physical Characteristics

Specifications for the instrument's physical dimensions and weight.

Appendix C: Performance Verification

General Information

Preliminary information for understanding the verification process.

Purpose

The objectives and uses of performance verification.

Performance Check Interval

Recommended frequency for performing checks.

Structure

How the performance verification is organized.

Limits and Tolerances

Acceptable performance ranges for measurements.

Appendix C: Performance Verification

Test Equipment Required

List of necessary tools and equipment for verification.

Table A-7: Test Equipment Required

Detailed list of test equipment specifications.

Appendix C: Performance Verification

Table A-7: Test Equipment Required (Cont.)

Continued list of test equipment.

Appendix C: Performance Verification

Procedures

General instructions for performing verification checks.

Initial Setup Procedure

Steps to prepare the instrument before verification.

Vertical System Checks

Procedures to verify vertical measurement performance.

Appendix C: Performance Verification

Step 1: Check Deflection Accuracy and Variable Range

Verification of vertical signal scaling accuracy.

Appendix C: Performance Verification

Table A-8: Deflection Accuracy Limits

Data table for vertical accuracy limits.

Step 2: Check Store Deflection Accuracy

Verification of vertical accuracy in store mode.

Appendix C: Performance Verification

Table A-9: Storage Deflection Accuracy

Data table for stored vertical accuracy limits.

Step 3: Check Save Expansion and Compression

Testing the scaling of stored waveforms.

Appendix C: Performance Verification

Step 4: Check Position Range

Verifying the limits of horizontal positioning.

Step 5: Check Acquisition Position Registration

Testing the stability of the trigger position in captured data.

Appendix C: Performance Verification

Step 6: Check Bandwidth

Verifying the instrument's frequency response.

Appendix C: Performance Verification

Step 7: Check Repetitive Store Mode and Bandwidth

Testing bandwidth for repetitive signals in store mode.

Step 8: Check Single Sweep Sample Acquisition

Verifying the single-shot capture function.

Appendix C: Performance Verification

Step 9: Check Bandwidth Limit Operation

Testing the functionality of the bandwidth limiting feature.

Step 10: Check Common-Mode Rejection Ratio

Verifying the instrument's ability to reject common-mode signals.

Appendix C: Performance Verification

Step 11: Check Non-Store and Store Channel isolation

Testing the independence of the two input channels.

Appendix C: Performance Verification

Step 12: Check Store Pulse Width Amplitude

Verifying accuracy of pulse width measurements in store mode.

Horizontal System Checks

Procedures to verify the horizontal measurement system.

Appendix C: Performance Verification

Step 1: Check Timing Accuracy and Linearity

Verifying the accuracy of time measurements.

Appendix C: Performance Verification

Table A-11: Settings for Timing Accuracy Checks

Parameters for timing accuracy verification.

Appendix C: Performance Verification

Step 2: Check Store Differential and Cursor Time Difference Accuracy

Verifying time difference measurements in store mode.

Appendix C: Performance Verification

Step 3: Check Variable Range

Testing the range of variable controls.

Step 4: Check Position Range

Testing the limits of horizontal positioning.

Step 5: Check Store Expansion Range

Testing the scaling of stored waveforms.

Appendix C: Performance Verification

Step 6: Check 4K to 1K Display Compress

Verifying record length compression.

Step 7: Check Non-Store Sweep Length

Verifying analog sweep duration accuracy.

Step 8: Check X Gain

Verifying the horizontal gain scaling.

Appendix C: Performance Verification

Step 9: Check X Bandwidth

Verifying the horizontal bandwidth.

Trigger System Checks

Procedures to verify the trigger system's performance.

Appendix C: Performance Verification

Step 1: Check internal Triggering

Verifying the functionality of internal trigger modes.

Appendix C: Performance Verification

Step 2: Check HF Reject Triggering

Verifying the high-frequency reject trigger function.

Step 3: Check LF Reject Triggering

Verifying the low-frequency reject trigger function.

Appendix C: Performance Verification

Step 4: Check External Triggering

Verifying the external trigger input.

Step 5: Check External Trigger Ranges

Verifying the behavior of external trigger ranges.

Appendix C: Performance Verification

Step 6: Check Single Sweep Operation

Verifying the single-shot sweep function.

Step 7: Check Acquisition Window Trigger Points

Verifying the accuracy of trigger position display.

Appendix C: Performance Verification

Step 8: Check Trigger Level Readout

Verifying the accuracy of the trigger level indicator.

Appendix C: Performance Verification

External Z-Axis, Probe Adjust, External Clock, and X-Y Plotter Checks

Procedures for verifying external interfaces and probes.

Step 1: Check External Z-Axis Operation

Verifying the Z-axis input for intensity modulation.

Appendix C: Performance Verification

Step 2: Check Probe Adjust Operation

Verifying the probe adjustment procedure.

Step 3: Check External Clock

Verifying the external clock input functionality.

Appendix C: Performance Verification

Step 4: Check X-Y Plotter

Verifying the X-Y plotter output functionality.

Appendix D: Storage Modes

Table A-13: Storage Modes

Table detailing storage modes and acquisition options.

Glossary

Accumulate peak acquisition mode

Definition of a specific acquisition mode.

Accuracy

Definition of measurement accuracy.

Acquisition

Definition of the signal sampling process.

Acquisition interval

Definition of the time between samples.

AC signal

Definition of alternating current.

Active cursor

Definition of a movable measurement marker.

Aliasing

Explanation of a digital sampling artifact.

Alternate (vertical)

Definition of a display mode.

Alternating Current (AC)

Definition of AC electrical current.

Amplitude

Definition of signal strength.

Attenuation

Definition of signal reduction.

Glossary

Automatic trigger mode (P-P AUTO)

Definition of a trigger setting.

Bandwidth

Definition of frequency response range.

Bezel

Definition of the CRT frame.

Bezel Buttons

Definition of menu selection buttons.

Cathode-ray tube (CRT)

Definition of the display technology.

Chop

Definition of a display mode.

CRT

Acronym for Cathode-Ray Tube.

Compensation

Adjustment for probe accuracy.

Coupling

Method for connecting input signals.

Cursors

Markers for on-screen measurements.

Delay measurement

Measurement of time difference.

Detent

Definition of a mechanical switch position.

Glossary

Digitizing

Process of converting analog signals to digital.

Direct current (DC)

Definition of DC electrical current.

Display system

The visual output part of the oscilloscope.

Display menu

Menu for configuring display options.

Fall time

Measurement of pulse trailing edge time.

Frequency

Measurement of signal cycles per second.

Ground

Reference point for electrical potential.

GPIB (General Purpose Interface Bus)

Definition of a standard interface.

Graticule

The grid on the display screen.

Hardcopy

A printed or saved copy of the display.

Hertz

Unit of frequency.

Holdoff, trigger

Time delay to stabilize triggering.

Intensity

Display brightness.

Knob

Definition of a rotary control.

Glossary

Megahertz (MHz)

Unit of frequency.

Megasample per second (Ms/s)

Unit of sampling rate.

Noise

Unwanted electrical signal components.

Oscilloscope

Definition of the instrument.

Peak

Measurement of amplitude difference from average.

Peak-to-Peak

Measurement of maximum amplitude difference.

Period

Measurement of signal cycle time.

Phase

Measurement of timing difference between signals.

Probe

Device for connecting signals to the oscilloscope.

Quantizing

Process of converting analog samples to digital values.

Record length

Number of samples in a waveform.

Reference memory

Memory for storing waveforms or settings.

Repetitive acquisition

Mode for capturing periodic signals.

Repetitive signal

A signal with uniform voltage variation.

Glossary

Rise time

Measurement of pulse leading edge time.

Roll

A slow-speed storage mode for continuous scrolling.

RS-232-C interface

Definition of a serial communication interface.

Sampling

Process of capturing analog input at discrete points.

Sampling Rate

Frequency of signal sampling.

Scan

A slow-speed storage mode for updating the display.

Selected waveform

The waveform currently used for measurement.

Setup (menus)

Related controls for oscilloscope functions.

Slope

Signal transition direction for triggering.

Smooth

Digital process to improve waveform appearance.

Sweep

Time-dependent information displayed by the electron beam.

Time base

Parameters defining horizontal axis attributes.

Glossary

Trace

Visual representation of a signal on the CRT.

Trigger

Signal used to initiate a sweep.

Trigger level

The voltage threshold for triggering.

Trigger position

Reference point in the acquisition record.

Vector

Line connecting two data points in storage mode.

Waveform

The shape of a signal.

X-Y

Display mode comparing two signals' voltage levels.

Z-Axis

Controls CRT beam intensity.

Appendix B: Specification

General Product Description

Overview of the oscilloscope's features and applications.

Vertical System

Specifications related to the vertical signal processing.

Horizontal System

Specifications related to the time base and horizontal sweep.

Digital Storage System

Specifications for the digital data acquisition capabilities.

Appendix B: Specification

User Interface

Description of how the instrument is controlled.

Front Panel Controls

Details on the physical controls and their grouping.

Display

Information about the on-screen readouts and indicators.

Appendix B: Specification

Measurement Features

Capabilities for measuring voltage and time.

Options and Accessories

Reference to where details on options are found.

Performance Conditions

Environmental and operational conditions for specifications.

Appendix B: Specification

Characteristic Tables

Reference to detailed performance data.

Table A-4: Electrical Characteristics

Specific electrical performance parameters.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-4: Electrical Characteristics (Cont.)

Continued electrical specifications.

Appendix B: Specification

Table A-5: Environmental Characteristics

Specifications regarding environmental operating conditions.

Appendix B: Specification

Table A-5: Environmental Characteristics (Cont.)

Continued environmental specifications.

Table A-6: Physical Characteristics

Specifications for the instrument's physical dimensions and weight.

Appendix C: Performance Verification

General Information

Preliminary information for understanding the verification process.

Purpose

The objectives and uses of performance verification.

Performance Check Interval

Recommended frequency for performing checks.

Structure

How the performance verification is organized.

Limits and Tolerances

Acceptable performance ranges for measurements.

Appendix C: Performance Verification

Test Equipment Required

List of necessary tools and equipment for verification.

Table A-7: Test Equipment Required

Detailed list of test equipment specifications.

Appendix C: Performance Verification

Table A-7: Test Equipment Required (Cont.)

Continued list of test equipment.

Appendix C: Performance Verification

Procedures

General instructions for performing verification checks.

Initial Setup Procedure

Steps to prepare the instrument before verification.

Vertical System Checks

Procedures to verify vertical measurement performance.

Appendix C: Performance Verification

Step 1: Check Deflection Accuracy and Variable Range

Verification of vertical signal scaling accuracy.

Appendix C: Performance Verification

Table A-8: Deflection Accuracy Limits

Data table for vertical accuracy limits.

Step 2: Check Store Deflection Accuracy

Verification of vertical accuracy in store mode.

Appendix C: Performance Verification

Table A-9: Storage Deflection Accuracy

Data table for stored vertical accuracy limits.

Step 3: Check Save Expansion and Compression

Testing the scaling of stored waveforms.

Appendix C: Performance Verification

Step 4: Check Position Range

Verifying the limits of horizontal positioning.

Step 5: Check Acquisition Position Registration

Testing the stability of the trigger position in captured data.

Appendix C: Performance Verification

Step 6: Check Bandwidth

Verifying the instrument's frequency response.

Appendix C: Performance Verification

Step 7: Check Repetitive Store Mode and Bandwidth

Testing bandwidth for repetitive signals in store mode.

Step 8: Check Single Sweep Sample Acquisition

Verifying the single-shot capture function.

Appendix C: Performance Verification

Step 9: Check Bandwidth Limit Operation

Testing the functionality of the bandwidth limiting feature.

Step 10: Check Common-Mode Rejection Ratio

Verifying the instrument's ability to reject common-mode signals.

Appendix C: Performance Verification

Step 11: Check Non-Store and Store Channel isolation

Testing the independence of the two input channels.

Appendix C: Performance Verification

Step 12: Check Store Pulse Width Amplitude

Verifying accuracy of pulse width measurements in store mode.

Horizontal System Checks

Procedures to verify the horizontal measurement system.

Appendix C: Performance Verification

Step 1: Check Timing Accuracy and Linearity

Verifying the accuracy of time measurements.

Appendix C: Performance Verification

Table A-11: Settings for Timing Accuracy Checks

Parameters for timing accuracy verification.

Appendix C: Performance Verification

Step 2: Check Store Differential and Cursor Time Difference Accuracy

Verifying time difference measurements in store mode.

Appendix C: Performance Verification

Step 3: Check Variable Range

Testing the range of variable controls.

Step 4: Check Position Range

Testing the limits of horizontal positioning.

Step 5: Check Store Expansion Range

Testing the scaling of stored waveforms.

Appendix C: Performance Verification

Step 6: Check 4K to 1K Display Compress

Verifying record length compression.

Step 7: Check Non-Store Sweep Length

Verifying analog sweep duration accuracy.

Step 8: Check X Gain

Verifying the horizontal gain scaling.

Appendix C: Performance Verification

Step 9: Check X Bandwidth

Verifying the horizontal bandwidth.

Trigger System Checks

Procedures to verify the trigger system's performance.

Appendix C: Performance Verification

Step 1: Check internal Triggering

Verifying the functionality of internal trigger modes.

Appendix C: Performance Verification

Step 2: Check HF Reject Triggering

Verifying the high-frequency reject trigger function.

Step 3: Check LF Reject Triggering

Verifying the low-frequency reject trigger function.

Appendix C: Performance Verification

Step 4: Check External Triggering

Verifying the external trigger input.

Step 5: Check External Trigger Ranges

Verifying the behavior of external trigger ranges.

Appendix C: Performance Verification

Step 6: Check Single Sweep Operation

Verifying the single-shot sweep function.

Step 7: Check Acquisition Window Trigger Points

Verifying the accuracy of trigger position display.

Appendix C: Performance Verification

Step 8: Check Trigger Level Readout

Verifying the accuracy of the trigger level indicator.

Appendix C: Performance Verification

External Z-Axis, Probe Adjust, External Clock, and X-Y Plotter Checks

Procedures for verifying external interfaces and probes.

Step 1: Check External Z-Axis Operation

Verifying the Z-axis input for intensity modulation.

Appendix C: Performance Verification

Step 2: Check Probe Adjust Operation

Verifying the probe adjustment procedure.

Step 3: Check External Clock

Verifying the external clock input functionality.

Appendix C: Performance Verification

Step 4: Check X-Y Plotter

Verifying the X-Y plotter output functionality.

Appendix D: Storage Modes

Table A-13: Storage Modes

Table detailing storage modes and acquisition options.

Glossary

Accumulate peak acquisition mode

Definition of a specific acquisition mode.

Accuracy

Definition of measurement accuracy.

Acquisition

Definition of the signal sampling process.

Acquisition interval

Definition of the time between samples.

AC signal

Definition of alternating current.

Active cursor

Definition of a movable measurement marker.

Aliasing

Explanation of a digital sampling artifact.

Alternate (vertical)

Definition of a display mode.

Alternating Current (AC)

Definition of AC electrical current.

Amplitude

Definition of signal strength.

Attenuation

Definition of signal reduction.

Glossary

Automatic trigger mode (P-P AUTO)

Definition of a trigger setting.

Bandwidth

Definition of frequency response range.

Bezel

Definition of the CRT frame.

Bezel Buttons

Definition of menu selection buttons.

Cathode-ray tube (CRT)

Definition of the display technology.

Chop

Definition of a display mode.

CRT

Acronym for Cathode-Ray Tube.

Compensation

Adjustment for probe accuracy.

Coupling

Method for connecting input signals.

Cursors

Markers for on-screen measurements.

Delay measurement

Measurement of time difference.

Detent

Definition of a mechanical switch position.

Glossary

Digitizing

Process of converting analog signals to digital.

Direct current (DC)

Definition of DC electrical current.

Display system

The visual output part of the oscilloscope.

Display menu

Menu for configuring display options.

Fall time

Measurement of pulse trailing edge time.

Frequency

Measurement of signal cycles per second.

Ground

Reference point for electrical potential.

GPIB (General Purpose Interface Bus)

Definition of a standard interface.

Graticule

The grid on the display screen.

Hardcopy

A printed or saved copy of the display.

Hertz

Unit of frequency.

Holdoff, trigger

Time delay to stabilize triggering.

Intensity

Display brightness.

Knob

Definition of a rotary control.

Glossary

Megahertz (MHz)

Unit of frequency.

Megasample per second (Ms/s)

Unit of sampling rate.

Noise

Unwanted electrical signal components.

Oscilloscope

Definition of the instrument.

Peak

Measurement of amplitude difference from average.

Peak-to-Peak

Measurement of maximum amplitude difference.

Period

Measurement of signal cycle time.

Phase

Measurement of timing difference between signals.

Probe

Device for connecting signals to the oscilloscope.

Quantizing

Process of converting analog samples to digital values.

Record length

Number of samples in a waveform.

Reference memory

Memory for storing waveforms or settings.

Repetitive acquisition

Mode for capturing periodic signals.

Repetitive signal

A signal with uniform voltage variation.

Glossary

Rise time

Measurement of pulse leading edge time.

Roll

A slow-speed storage mode for continuous scrolling.

RS-232-C interface

Definition of a serial communication interface.

Sampling

Process of capturing analog input at discrete points.

Sampling Rate

Frequency of signal sampling.

Scan

A slow-speed storage mode for updating the display.

Selected waveform

The waveform currently used for measurement.

Setup (menus)

Related controls for oscilloscope functions.

Slope

Signal transition direction for triggering.

Smooth

Digital process to improve waveform appearance.

Sweep

Time-dependent information displayed by the electron beam.

Time base

Parameters defining horizontal axis attributes.

Glossary

Trace

Visual representation of a signal on the CRT.

Trigger

Signal used to initiate a sweep.

Trigger level

The voltage threshold for triggering.

Trigger position

Reference point in the acquisition record.

Vector

Line connecting two data points in storage mode.

Waveform

The shape of a signal.

X-Y

Display mode comparing two signals' voltage levels.

Z-Axis

Controls CRT beam intensity.

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