Tektronix 11801C User manual

User Manual
11801C
Digital Sampling Oscilloscope
070-9971-01
This document supports firmware version 4.05
and above.

Copyright ETektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

WARRANTY
Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and
workmanship for a period of one (1) year from the date of shipment. If a product proves defective during this
warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor,
or will provide a replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration
of the warranty period and make suitable arrangements for the performance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any
damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been
modified or integrated with other products when the effect of such modification or integration increases the time
or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS
OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’
RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.
TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR
THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

EC Declaration of Conformity
We
Tektronix Holland N.V.
Marktweg 73A
8444 AB Heerenveen
The Netherlands
declare under sole responsibility that the
11801C Digital Sampling Oscilloscope
meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility and Low
Voltage Directive 73/23/ECC for Product Safety. Compliance was demonstrated to the
following specifications as listed in the Official Journal of the European Communities:
EMC Directive 89/336/EEC:
EN 55011 Class A Radiated and Conducted Emissions
EN 50082-1 Immunity:
IEC 801-2 Electrostatic Discharge Immunity
IEC 801-3 RF Electromagnetic Field Immunity
IEC 801-4 Electrical Fast Transient/Burst Immunity
IEC 801-5 Power Line Surge Immunity
Low Voltage Directive 73/23/EEC:
EN 61010-1 Safety requirements for electrical equipment for
measurement, control, and laboratory use
Tektronix, Inc. claims compliance to the EMC Directive 89/336/EEC for the following
products when they are used with the above named product:
SD-20
SD-22
SD-24
SD-26
SD-30
SD-32
SD-42
SD-46
SD-51

Declaration of Conformity
with Electromagnetic Compatibility Standards
as Required under the Radiocommunications Act
We
Tektronix, Inc.
of
Tektronix Australia Pty Limited
80 Waterloo Road
North Ryde NSW 2113
Supplier Code: N60
declare under sole responsibility that the
11801C Digital Sampling Oscilloscope
to which this declaration relates is in conformity with the following standards:
AS/NZS 2064.1/2 Industrial, Scientific, and Medical Equipment: 1992
Tektronix, Inc. claims conformity to the standards for the following products when they
are used with the above named product:
SD-20
SD-22
SD-24
SD-26
SD-30
SD-32
SD-42
SD-46
SD-51

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ii
Product
upport
For applicationĆoriented questions about a Tektronix measurement
product, call toll free in North America:
1Ć800ĆTEKĆWIDE (1Ć800Ć835Ć9433 ext. 2400)
6:00 a.m. - 5:00 p.m. Pacific time
Or, contact us by eĆmail:
[email protected]
For product support outside of North America, contact your local
Tektronix distributor or sales office.
ervice
upport
Contact your local Tektronix distributor or sales office. Or, visit our web
site for a listing of worldwide service locations.
http://www.tek.com
For other
information
In North America:
1Ć800ĆTEKĆWIDE (1Ć800Ć835Ć9433)
An operator will direct your call.
To write us Tektronix, Inc.
P.O. Box 1000
Wilsonville, OR 97070Ć1000
 

11801C User Manual iii
able of Contents
About his Manual i..........................................
Related Documentation i..................................
Notes on Previous Products i..............................
Contacting ektronix ii.....................................
Safety Summary xix.............................................
Getting Started
11801B Description 1Ć1......................................
Description of Sampling 1Ć3..................................
Electrical Connections 1Ć3...................................
Installation 1Ć7..............................................
Operating Environment 1Ć8...................................
At a Glance 1Ć9.................................................
Front Panel and Sampling Heads 1Ć9..........................
Rear Panel 1Ć10..............................................
Display and ouch Panel 1Ć11.................................
Icons 1Ć12...................................................
Knobs, Knob Menu, and Keypad Menu 1Ć13....................
Major Menu Buttons 1Ć14.....................................
Waveform Major Menu 1Ć16...................................
rigger Major Menu 1Ć19......................................
Measure Major Menu 1Ć20.....................................
Display Modes Major Menu 1Ć21...............................
Store/Recall Major Menu 1Ć22.................................
Utility1 Major Menu 1Ć24......................................
Enhanced Accuracy Major Menu 1Ć26..........................
Utility2 Major Menu 1Ć28......................................
Operating Basics
Overview 2Ć1...................................................
Example 1: Displaying a race 2Ć3................................
Major Menu Buttons 2Ć3.....................................
he ouch Panel 2Ć5.........................................
Menu Selectors 2Ć5..........................................
Connecting Cables 2Ć6.......................................

Table of Contents
Contents
iv
PopĆUp Menus 2Ć8...........................................
Autoset 2Ć9.................................................
Autoset Options 2Ć10.........................................
The Knobs 2Ć12..............................................
Icons 2Ć13...................................................
Keypad PopĆUp Menu and Knob Resolution 2Ć15...............
Major Menu Knob Assignments 2Ć17...........................
Example 2: Managing Multiple Traces 2Ć19.........................
Adding Another Trace 2Ć21....................................
Selecting Traces by Touch 2Ć22................................
Selecting Traces Using the Trace Status Menu 2Ć23.............
Labeling Traces 2Ć24..........................................
Displaying Dual Graticules 2Ć26...............................
Removing Traces 2Ć28........................................
Example 3: Defining Complex Traces 2Ć29.........................
Trace Expressions 2Ć31.......................................
ertical Adjustment of Complex Traces 2Ć33....................
High Precision Traces 2Ć36....................................
Windows 2Ć37................................................
Horizontal Reference Point 2Ć39...............................
Example 4: Using Signal Processing 2Ć41..........................
Averaging and Enveloping 2Ć43................................
ariable Persistence 2Ć46.....................................
Smoothing 2Ć48..............................................
Record Length 2Ć49...........................................
Example 5: Taking Automated Measurements 2Ć51..................
Specifying Measurements 2Ć53................................
Measurement Parameters and Annotations 2Ć56................
Default Measurement Parameters 2Ć58.........................
Measurement Modes 2Ć60.....................................
Example 6: Taking Delay Measurements Using Cursors 2Ć65........
The Cursors Major Menu 2Ć66.................................
Using Split Dot Cursors 2Ć69..................................
Cursor Accuracy Considerations 2Ć71..........................
Example 7: Taking Comparison Measurements Using a
Reference Trace 2Ć73.........................................
Setting XĆAxis Units to Meters, Feet, or Inches 2Ć74.............
Using the Reference alue 2Ć76................................
Example 8: Using Saved Trace Descriptions 2Ć79...................
Example 9: Comparing Traces to Stored Traces 2Ć83................
Example 10: Creating a Histogram Display 2Ć87....................