Tektronix P6248 Manuel utilisateur

P6248

1.7 GHz (Typical)

Differential Probe

ZZZ

Instructions

*P071056604*

071-0566-04

Advanced Test Equipment Rentals

www.atecorp.com 800-404-ATEC (2832)

P6248

1.7 GHz (Typical)

Differential Probe

ZZZ

Instructions

www.tektronix.com

071-0566-04

owned by Tektronix or its subsidiaries or suppliers, and are protected by national

Tektronix products are covered by U.S. and foreign patents, issued and pending.

Information in this publication supersedes that in all previously published

material. Speciﬁcations and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

KlipChip, TwinFoot, TwinTip, and VariTip are trademarks of Tektronix, Inc.

Contacting Tektronix

Tektronix, Inc.

14200 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

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

In North America, call 1-800-833-9200.

Worldwide, visit www.tektronix.com to ﬁnd contacts in your area.

Warranty

Tektronix warrants that this product will be free from defects in materials and

workmanship for a period of one (1) year from the date of shipment. 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. Parts, modules and replacement products used by

Tektronix for warranty work may be new or reconditioned to like new performance. All

replaced parts, modules and products become the property of Tektronix.

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 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

ADV

ANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

[W2 – 15AUG04]

Table of Contents

General Safety Summary ............................................... iv

Environmental Considerations ......................................... vi

Preface................................................................... vii

Related Manuals................................................... vii

Getting Started............................................................ 1

Features and Accessories ....... . .......... . . ........ ...... . ........ 1

Installation ........................................................... 9

Operating Basics........................................................ 11

Input Voltage Limits .............................................. 11

Attenuation Settings............................................... 12

Probe Grounding .................................................. 12

Input Impedance and Probe Loading ............................ 13

Common-Mode Rejection ........................................ 14

Reference................................................................ 15

Problems with Single-Ended Measurements.................... 15

Differential Measurements ....................................... 15

Extending the Input Leads........................................ 17

Extending the Ground Lead ...................................... 18

Extending the Probe Output...................................... 18

Using the Probe with Other Instruments ........................ 19

Speciﬁcations ........................................................... 21

Warranted Characteristics ........................................ 21

Typical Characteristics............................................ 23

Nominal Characteristics .......................................... 26

P6248 1.7 GHz Differential Probe Instructions i

Table of Contents

List of Figures

Figure 1: Input connector of TEKPROBE interface................... 9

Figure 2: Using the short ground contact............................. 13

Figure 3: Typical probe input model.................................. 13

Figure 4: Simpliﬁed model of a differential ampliﬁer............... 16

Figure 5: Twisting the Input Leads ................................... 18

Figure 6: Typical Common-Mode Rejection Ratio (÷1 and ÷10

attenuation) ........................................................ 24

Figure 7: Typical differential input impedance versus frequency . . 24

Figure 8: Probe head and compensation box dimensions . . ......... 25

ii P6248 1.7 GHz Differential Probe Instructions

Table of Contents

List of Tables

Table 1: Features and standard accessories . ......... . .......... . . ..... 1

Table 2: P6248 Probe tip accessory kit contents....................... 4

Table 3: Optional accessories and instrument options....... . ......... 6

Table 4: Warranted electrical characteristics......................... 21

Table 5: Typical electrical characteristics ............................ 23

Table 6: Typical mechanical characteristics.......................... 25

Table 7: Nominal electrical characteristics........................... 26

P6248 1.7 GHz Differential Probe Instructions iii

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.

To Avoid Fire or Personal Injury

Connect and Disconnect Properly. Connect the probe output to the

measurement instrument before connecting the probe to the circuit

under test. Connect the probe reference lead to the circuit under test

before connecting the probe input. Disconnect the probe input and the

probe reference lead from the circuit under test before disconnecting

the probe from the measurement instrument.

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.

Connect the probe reference lead to earth ground only.

Do Not Operate Without Covers. Do not operate this product with covers

or panels removed.

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

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

Avoid Exposed Circuitry. Do not touch exposed connections and

components when power is present.

Do Not Operate in Wet/Damp Conditions.

Do Not Operate in an Explosive Atmosphere.

Keep Product Surfaces Clean and Dry.

Provide Proper Ventilation. Refer to the manual’s installation instructions

for details on installing the product so it has proper ventilation.

iv P6248 1.7 GHz Differential Probe Instructions

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