Tektronix TCA-1MEG Primary User

ZZZ

TCA-1MEG High Impedance Buffer Ampliﬁer

Instruction Manual

*P071101004*

071-1010-04

ZZZ

TCA-1MEG High Impedance Buf

fer Ampliﬁer

Instruction Manual

Warning

The servicing instructions are for use by qualiﬁed personnel only. To avoid personal injury, do not perform any servicing unless you are qualiﬁed to do so. Refer to all safety summaries prior to performing service.

www.tek.com

071-1010-04

Tektronix products are covered by U .S. and foreign patents, issued and pending. Information in this publication supersedes that in all p reviously p ublished material. Speciﬁcations and p

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

served. Licensed software products are

rice change privileges reserved.

Contacting Tektronix

Tektronix, In c. 14150 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA

For product information, sales, service, and technical support:

In North America, call 1-800-83 3-9200. Worldwide, visit www.tek.com to ﬁnd contacts in your area.

Warra nty

Tektronix warrants that this produ workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this w the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective Tektronix for warranty work may be new or reconditioned to like new performance. All replaced parts, modules and

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 WITH RESPECT TO THE PRODUCT I TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHAN RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AN BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VEN DOR HAS ADV

[W2 – 15AUG04]

N LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED.

TABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX'

D EXCLUSIV E REMEDY PROVIDED TO THE CUSTOMER FOR

E FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL

ANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

ct will be fre e from defects in materials and

arranty period, Tektronix, at its option, either will repair

product. Parts, modules and replacement products used by

products become the property of Tektronix.

Table of Contents

Important safety information ............................................ v

General safety summary ............................................ v

Service safety summary................................. ......... viii

Terms in this manual ................................. .............. ix

Symbols and terms on the product.............................. .. ix

Compliance information ........................................... ...... x

Safety compliance.............................. ..................... x

Environmental considerations.......................... ......... xiii

Preface........................... ........................................ xv

Getting started ............ ................................................ 1

Product description......................................... ......... 1

Accessories .................................. ........................ 3

Input voltage derating............................................... 4

Probe calibration for high accuracy. . .. .. . .. .. .. . .. .. .. . .. .. . .. .. .. 4

Functionality not supported ............. ........................... 5

Installation ................. .......................................... 6

Connecting the TCA-1MEG to the host instrument.............. 7

Connecting a probe to the TCA-1MEG ........................... 8

Attaching and grounding a TCA-1MEG system.................. 9

Functional overview ............ .................................. 10

Cleaning............................................................ 11

Functional checks .................... .................................. 13

Prerequisites ............................................. .......... 13

Required equipment.................................. ............. 14

Run the SPC (Signal Path Compensation) on the host

instrument..................................................... 16

Calibrate the TCA-1MEG to the host instrument............... 16

Calibrate the P6139B Passive Voltage Probe to the TCA-1MEG

and host instrument ....................... ................... 18

LF probe compensation.................................... ....... 20

Check vertical input coupling .................................... 22

Check bandwidth limit............................................ 26

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual i

Table of Contents

Speciﬁcations ...................................... ..................... 31

Performance veriﬁcation............................. .................. 35

TCA-1MEG system bandwidth .......... ........................ 37

Replaceable parts ... . .. .. . .. .. .. . .. .. . .. .. . .. .. . .. .. .. . .. .. . .. .. .. . .. .. . 41

ii TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual

List of Figures

Figure 1: TCA-1MEG High Impedance Buffer Ampliﬁer............ 1

Figure 2: Connecting a nd disconnecting the TCA-1MEG . . .. .. .. . .. . 7

Figure 3: Calibration data message .......... ........................... 8

Figure 4: TekConnect and TEKPROBE Interface features .. . .. . .. . 10

Figure 5: Simpliﬁed block diagram................................... 11

Figure 6: Probe Comp ensation output of the TDS6604 .. . .. .. .. . .. . 15

Figure 7: Setup with the P6139B attached to the TCA-1MEG. . .. . 20

Figure 8: Probe compensation waveforms .......................... . 21

Figure 9 : Test equipment hookup for the Vertical Input C ou pling and

Bandwidth Limit checks....................... ................... 22

Figure 10: Typical waveform at GND....... ......................... 23

Figure 11: Typical waveform at AC Coupling....................... 24

Figure 12: Typical waveform at DC Coupling....................... 25

Figure 13: Typical waveform at Full (500 MHz) bandwidth .. . .. .. 27

Figure 14: Typical waveform at 100 MHz bandwidth ............. . 28

Figure 15: Typical waveform at 20 MHz bandwidth................ 29

Figure 16: Typical Input Impedance and Phase versus Frequency . 33

Figure 17: Voltage Derating versus Frequency ...................... 33

Figure 18: TCA-1MEG dimensions ............... ................... 34

Figure 19: TCA-1MEG system bandwidth equipment hookup . .. . 37

Figure 20: TCA-1MEG replaceable parts . . .. .. .. . .. .. . .. .. .. . .. .. . .. 42

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual iii

Table of Contents

List of Tables

Table 1: Compatible devices that require high impedance input .. . .. 2

Table 2: Required equipment

Table 3: Warranted electrical speciﬁcations.......................... 31

Table 4: Typical electrical characteristics .... ........................ 32

Table 5: Physical charact

Table 6: Environmental characteristics.... ........................... 34

Table 7: Equipment required for performance veriﬁcation ......... 35

Tab le 8: TC A -1MEG test

Table 9: TCA-1MEG replaceable parts.. . .. .. .. . .. .. .. .. . .. .. .. . .. .. . 42

.................................... ...... 14

eristics ....................... ............... 34

record...................................... 40

iv TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual

Important safety information

This manu al contains informat by the user for safe operation and to keep the product in a s afe condition.

To safely perform service on t is provided at the end of this section. (See page viii, Service safety summary.)

General safety summary

Use the product only as speciﬁed. Review the following safety precautions to avoid i products connected to it. Carefully read all instructions. Retain these instructions for future reference.

Comply with local and national safety codes.

For correct and saf follow generally accepted safety procedures in addition to the safety precautions speciﬁed in this manual.

The product is designed to be used b y trained personnel only.

Only qualiﬁed remove the cover for repair, maintenance, or adjustment.

Before use, a is operating correctly.

lways check the product with a known source to be sure it

njury and prevent damage to this product or any

e operation of the product, it is essential that you

personnel who are aware of the hazards involved should

ion an d warnings that must be followed

his product, additional information

This produc

Use personal protective equipment to prevent shock and arc blast injury where haz

While using this product, you may need to access other parts of a larger system. warnings and cautions related to operating the system.

When in system is the responsibility of the assembler of the system.

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual v

t is not intended for detection of hazardous voltages.

ardous live condu ctors are exposed.

Read the safety sections of the other component manuals for

corporating this equipment into a system, the safety of that

Important safety information

To a void ﬁre or personal injury

Ground the product. This p rod uct is indirectly grounded through the

grounding conductor of the mainframe power cord. To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, make sure that the product is properly grounded.

Do no t disable the power cord groundin g connection.

Connect and disconnect properly. Do not connect or disconnect probes

or test leads while they are connected to a voltage source.

Use only insulated voltage probes, test leads, and adapters supplied with the product, or indicated by Tektronix to be suitable for the product.

Observe all terminal ratings. To avoid ﬁre or shock hazard, observe all

ratings and markin gs on the product. Consult the product manual for further ratings information before making connections to the product. Do not exceed the Measurement Category (CAT) rating and voltage or current rating of the lowest rated individual component of a product, probe, or accessory. Use caution when using 1:1 test leads because the probe tip voltage is directly transmitted to the product.

Do not apply a potential to any terminal, including the common terminal, that exceeds the maxim um rating of that terminal.

Do not ﬂoat the common terminal above the rated voltage for that terminal.

The measuring terminals on this product are not rated for connectio n to mains Category III or IV circuits, or to mains Category II circuits greater than 100 V.

When connected to circuits other than mains, the maximum transient overvoltage rating is 400 V peak.

Do not operate without covers. Do not operate t his product with covers

or panels removed, or with the case open. Hazardous voltage exposure is possible.

Avoid exposed circuitry. Do not touch exposed connections and

components when power is present.

vi TCA-1MEG High Im ped a nce Buffer Ampliﬁer Instruction Manual

Important safety information

Do not operate with suspected failures. If you suspect that there is damage

to this product, have it inspected by qualiﬁed service personnel.

Disable the product if it is damaged. Do not use the product if it is damaged or operates incorrectly. If in doubt about safety of the product, turn it off and disconnect the power cord. Clearly mark the product to prevent its further operation.

Before use, inspect voltage probes, test leads, and accessories for mechanical damage and replace when damaged. Do not use probes or test leads if they are damaged, if there is exposed metal, or if a wear indicator shows.

Examine the exterior of the product before you use it. Look for cracks or missing pieces.

Do not operate in wet/damp conditions. Be aware that condensation may

occurifaunitismovedfromacold to a warm environment.

Do not operate in an explosive atmosphere.

Keep product su rfaces clean and dry.

you clean the product.

Remove the input sig nals before

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual vii

Important safety information

Service safety summary

The Service safety summ ary section contains additional information required to safely perform service on the produ ct. Only qualiﬁed personnel should perform service procedures. Read this Service safety summary and the General safety summary b efore performing any service procedures.

To avoid electric shock. Do

Do not service al one. Do not perform internal service or adjustments of

this product u nless another person capable of rendering ﬁrst aid and resuscitation is present.

Use care when servicing with power on. Dangerous voltages or currents

may exist in this pro applicable), and disconnect test leads before removing protective panels, soldering, or replacing components.

Verify safety after repair. Always recheck ground continuity and mains

dielectric strength after performing a repair.

not touch exposed connections.

duct. Disconnect pow er, remove battery (if

viii TCA-1MEG High Impedance Buffer Amp liﬁer Instruction Manual

Terms in this manual

These t erm s may appear in this manual:

WARNING. Warning statements identify conditions or practices that could

result in injury or loss of life.

CAUTION. Caution statements identify conditions or practices that could

result in damage to this product or other property.

Symbols and terms on the product

These term s may appear on the product:

DANGER indicates an injury hazard immediately accessible as you read the marking.

WARNING indicates an injury hazard not immediately accessible as you read the marking.

CAUTION indicates a hazard to property including the product.

Important safety information

When this symbol is marked on the product, be sure to consult the manual to ﬁnd out the n ature of the potential hazards and any actions which have to be taken to avoid them. (This symbol may also be used to refer the user to ratings in the manual.)

The following symbol(s) may appear on the product:

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual ix

Compliance information

This section lists the safety and environmental standards with which the instrument complies.

Safety compliance

This sectio n lists the safety stan dards with which the product com plies and other safety co mpliance information.

EU declaration of conformity – low voltage

Compliance was demonstrated to the following speciﬁcation as listed in the Ofﬁcial Journal of the European Union:

Low Voltage Directive 2006/95/EC.

EN 61010-1. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 1: General Requirements.

EN 61010-2-030. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 2-030: Particular requirements for testing and measuring circuits.

nationally recognized testing laboratory listing

U.S.

UL 61010-1. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 1: General Requirements.

UL 61 010 -2 -03 0. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 2-030: Particular requirements for testing and measuring circuits.

Canadian certiﬁcation

CAN/CSA-C22.2 No. 61010-1. Safety Requirements for Electrical Equipment for Measurem ent, Control, and Laboratory Use – Part 1: General Requirements.

CAN/CSA-C22.2 No. 61010-2-030. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory

x TCA-1MEG High Impedance Buffer A mpliﬁer Instruction Manual

Compliance information

Use – Part 2-030: Particular requirements for testing and measuring circuits.

Additional compliances

IEC 61010-1. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 1: General Requirements.

IEC 61010 -2-03 0. Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 2-030: Particular requirements fo r testing and measuring circuits.

Equipment type

Test and measuring equipment.

Safety class

Class 1 – grounded product.

Pollution degree descriptions

A measure of the contam inants that could occur in the environment around and within a p roduct. Typically the internal env ironment inside a product is considered to be the same as the external. Products should be used only in the environment for which they are rated.

Pollution degree 1. No pollution or only dry, nonconductive pollution occurs. Products in this category are generally encapsulated, hermetically sealed, or located in clean rooms.

Pollution degree 2. Normally only dry, nonconductive pollution occurs. Occasionally a temporary conductivity that is caused by condensation must be e xpected. This location is a typical ofﬁce/home environment. Temporary condensation occurs only when the product is o ut of service.

Pollution degree 3. Conductive pollution, or dry, nonconductive pollution that becomes conductive due to condensation. These are sheltered locations where neither temperature nor humidity is controlled. The area is protected from direct sunshine, rain, or direct wind.

Pollution d eg ree 4. Pollution that generates p e rsistent conductivity through conductive dust, rain, or snow. Typical outdoor locations.

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual xi

Compliance information

Pollution degree rating

Pollution degree 2 (as deﬁned in IEC 61010-1). Rated for indoor, dry location use only.

IP rating

IP20 (as deﬁned in IEC 60529).

Measurement and overvoltage category descriptions

Measurement terminals on this product may be rated for measuring mains voltages from one o r more of the following categories ( see speciﬁc ratings marked on the product and in the manual).

Category II. Circuits directly connected to the building wiring at utilization points (socket outlets and simi lar points).

Category III. In the building wir ing and distribution system.

Category IV. At the source of the electrical supply to the building.

NOTE. Only mains power supply circuits have an overvoltage category

rating. Only measurement circuits have a measurement category rating. Other circuits within the product do not have either rating.

Mains overvoltage category rating

Overvoltage

xii TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual

category II (as deﬁned in I EC 61010-1).

Environmental c onsiderations

This section provides information about the environmental impact of the product.

Product end-of-life handling

Observe the following guidelines when recycling an instrument or component:

Equipment recycling. Production of this equipment required the

extraction and use of nat substances that could be harmful to the environment or human health if im pro perly handled at the product’s end of life. To avoid release of such sub s tances into th resources, w e encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately.

This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2012/19/EU and 2006/66/EC on waste electrical and electronic equipment (WEEE) and batteries. For information about recycling options, check the Tektronix website (www.tek.com/productrecycling).

ural resources. The equipment may contain

e env ironm ent and to reduce the use of natural

Compliance information

TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual xiii

Compliance information

xiv TCA-1MEG High Impedance Buffer Ampliﬁer Instruction Manual

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Tektronix TCA-1MEG Primary User

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Frequently Asked Questions

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