Tektronix P6205 Manuel utilisateur

Instruction Manual

P6205

FET Probe

070-8202-01

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.

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, TEK, and TEKPROBE are registered trademarks

of Tektronix, Inc.

KLIPCHIP is a trademark 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 purchase from

an authorized Tektronix distributor. If any such 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. Batteries are excluded from this warranty.

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, shipping charges prepaid,

and with a copy of customer proof of purchase. 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

LISTED PRODUCTS 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.

P6205 Instruction Manual i

Table of Contents

General Safety Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preface ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contacting Tektronix x. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Getting Started

Product Description 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oscilloscopes without the TEKPROBE Interface 1–1. . . . . . . .

Standard Accessories 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Probe Features 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Grounding the Probe 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Basics

Ground Lead Inductance 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Linear Operating Range 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High-Amplitude Frequency Response 2–3. . . . . . . . . . . . . . . . . . . .

Step Inputs 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sine Wave Inputs 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications

Performance Verification

Test Equipment 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Attenuation Check 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rise Time Check 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rise Time Approximation 4–7. . . . . . . . . . . . . . . . . . . . . . . . . .

Bandwidth Approximation 4–8. . . . . . . . . . . . . . . . . . . . . . . . . .

Aberrations Check 4–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output Offset Check 4–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents

ii P6205 Instruction Manual

Maintenance

Preventive Maintenance 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Visual Inspection 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning 5–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Corrective Maintenance 5–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Static Sensitive Devices 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing the Probe Tip 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing the TEKPROBE Contact Pins 5–3. . . . . . . . . . . . . .

Replacing Internal Assemblies: Probe Head and Cable,

BNC and Circuit Board Carrier 5–4. . . . . . . . . . . . . . . . . . .

Readjustment Following Repair 5–6. . . . . . . . . . . . . . . . . . . . .

Repackaging for Shipment 5–6. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replaceable Parts

Parts Ordering Information 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Servicing 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using the Replaceable Parts List 6–2. . . . . . . . . . . . . . . . . . . . . . . .

Abbreviations 6–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mfr. Code to Manufacturer Cross Index 6–3. . . . . . . . . . . . . . .

Table of Contents

P6205 Instruction Manual iii

List of Figures

Figure 1–1: P6205 probe with accessories 1–2. . . . . . . . . . . . . . .

Figure 1–2: Probe finger guard and hand contact area 1–7. . . .

Figure 2–1: Equivalent circuit showing added probe and

ground lead resistance, capacitance, and inductance 2–1. . .

Figure 2–2: Effects of ground lead inductance on waveform

fidelity 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 2–3: P6205 typical input vs linear operating range 2–4.

Figure 2–4: Bandwidth vs sine wave input amplitude 2–5. . . . .

Figure 3–1: Typical input impedance vs frequency 3–5. . . . . . .

Figure 3–2: Voltage derating vs frequency 3–5. . . . . . . . . . . . . .

Figure 3–3: Linearity error vs output voltage 3–6. . . . . . . . . . . .

Figure 3–4: Typical frequency response 3–6. . . . . . . . . . . . . . . .

Figure 4–1:Attenuation test setup part 1 4–3. . . . . . . . . . . . . . .

Figure 4–2: Calibrator waveform 4–4. . . . . . . . . . . . . . . . . . . . .

Figure 4–3: Cursors placement for D voltage measurement 4–4

Figure 4–4:Attenuation test setup part 2 4–5. . . . . . . . . . . . . . .

Figure 4–5: Rise time test setup 4–6. . . . . . . . . . . . . . . . . . . . . . .

Figure 4–6: Rise time waveform 4–7. . . . . . . . . . . . . . . . . . . . . . .

Figure 4–7:Aberrations test setup part 1 4–9. . . . . . . . . . . . . . .

Figure 4–8:Aberrations waveform 4–10. . . . . . . . . . . . . . . . . . . .

Figure 4–9: Measuring aberrations 4–11. . . . . . . . . . . . . . . . . . . .

Figure 4–10:Aberrations test setup part 2 4–12. . . . . . . . . . . . . .

Figure 5–1: Disassembling the P6205 probe 5–5. . . . . . . . . . . . .

Figure 6–1: P6205 probe with standard accessories 6–4. . . . . . .

Figure 6–2: P6205 probe optional accessories 6–6. . . . . . . . . . . .

Table of Contents

iv P6205 Instruction Manual

List of Tables

Table 1–1: Standard accessories 1–3. . . . . . . . . . . . . . . . . . . . . .

Table 3–1: Electrical characteristics 3–1. . . . . . . . . . . . . . . . . . .

Table 3–2: Environmental characteristics 3–4. . . . . . . . . . . . . .

Table 3–3: Physical characteristics 3–4. . . . . . . . . . . . . . . . . . . .

Table 3–4: Certifications and compliances 3–4. . . . . . . . . . . . . .

Table 4–1: Test equipment 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . .

P6205 Instruction Manual v

General Safety Summary

Review the following safety precautions to avoid injury and prevent

damage to this product or any products connected to it. To avoid

potential hazards, use this product only as specified.

Only qualified personnel should perform service procedures.

While using this product, you may need to access other parts of the

system. Read the General Safety Summary in other system manuals

for warnings and cautions related to operating the system.

To Avoid Fire or Personal Injury

Connect and Disconnect Properly. Do not connect or disconnect probes

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

Observe All Terminal Ratings. To avoid fire or shock hazard, observe all

ratings and markings on the product. Consult the product manual for

further ratings information before making connections to the product.

Do not apply a potential to any terminal, including the common

terminal, that exceeds the maximum rating of that terminal.

Connect the ground lead of the probe to earth ground only.

Avoid Exposed Circuitry. Do not touch exposed connections and

components when power is present.

Do Not Operate With Suspected Failures. If you suspect there is damage

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

Do Not Operate in Wet/Damp Conditions.

Do Not Operate in an Explosive Atmosphere.

Keep Product Surfaces Clean and Dry.

General Safety Summary

vi P6205 Instruction Manual

Safety Terms and Symbols

Terms in This Manual. These terms 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.

Terms on the Product. These terms 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.

Symbols on the Product. These symbols may appear on the product:

ProtectiveGround

(Earth)Terminal CAUTION

Refer to Manual Double

Insulated

WARNING

High Voltage

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