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.
T ektronix 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. T ektronix 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.
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. Disconnect the probe input and the probe ground 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.
The common terminal is at ground potential. Do not connect the
common terminal to elevated voltages.
Do Not Operate Without Covers. Do not operate this product with
covers or panels removed.
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.
P6339A Instruction Manual
v
General Safety Summary
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:
CAUTION
Refer to Manual
WARNING
High Voltage
Double
Insulated
Protective Ground
(Earth) Terminal
vi
P6339A Instruction Manual
Service Safety Summary
Only qualified personnel should perform service procedures. Read
this Service Safety Summary and the General Safety Summary before
performing any service procedures.
Do Not Service Alone. Do not perform internal service or adjustments
of this product unless 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 product. Disconnect power, remove battery (if
applicable), and disconnect test leads before removing protective
panels, soldering, or replacing components.
To avoid electric shock, do not touch exposed connections.
P6339A Instruction Manual
vii
Service Safety Summary
viii
P6339A Instruction Manual
Contacting Tektronix
Phone1-800-833-9200*
AddressTektronix, Inc.
Department or name (if known)
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
Web sitewww.tektronix.com
Sales
support
Service
support
Technical
support
*This phone number is toll free in North America. After office
hours, please leave a voice mail message.
Outside North America, contact a T ektronix sales office or
distributor; see the Tektronix web site for a list of offices.
The P6339A Buffered Passive Probe is specifically designed for
Tektronix oscilloscopes such as the TDS 794D. Each high-bandwidth
input of these oscilloscopes has a fixed 50 W impedance and a
TekProbe III interface. To allow a broader range of measurement
applications, the P6339A probe passively attenuates and then
actively buffers the signal to match the 50 W input impedance.
The oscilloscope settings control the following parameters of the
buffered probe output:
HAttenuation and gain
HAC/DC coupling
HBandwidth limit
HDC offset
For a complete list of specifications, refer to page 9.
Features and Accessories
Table 1 illustrates the user features of the P6339A Buffered Passive
Probe and standard accessories. In addition to those items shown, the
standard accessories also include the following:
HAdjustment tool for probe compensation
HAccessory pouch
HInstructions (this manual)
P6339A Instruction Manual
1
Getting Started
Table 1: Features and accessories
Feature/AccessoryDescriptionApplications/Notes
Marker bandsColor codes the probe to the
oscilloscope input when more
than one probe is in use. Clip
one band around the strain relief
of the probe head and the
matching band on the strain
relief of the probe compensation
box.
Ground collar
Ground lead
Ridged probe cover
Short ground
lead
Retractable
hook tip
SMT KlipChip
and ground
lead
Connects the probe ground to a
ground reference close to the
signal source.
To install, slip the ground collar
onto the probe head then screw
the ridged probe cover down
over the probe tip. Insert the
socket end of the ground lead
into the hole of the ground
collar.
Connects the probe tip to wires
and component leads for handsfree measurement.
NOTE. For a solid connection,
firmly push and twist the hook
tip onto the probe tip before
using.
Connects the probe ground to
small or hard to reach ground
reference points. The ground
lead also connects to a variety
of optional accessories.
2
P6339A Instruction Manual
T able 1: Features and accessories (cont.)
Feature/AccessoryApplications/NotesDescription
Getting Started
Ground lead
with insulated
alligator clip
SureFoot
probe tip set
GuardKeeps fingers away from the
Guard
Connects the probe ground to
ground reference.
Provides fault-free probing of
SMD packages that have lead
spacings of 0.50 mm/20 mil
(red), 0.65 mm/25 mil (blue), or
50 mil (orange).
probe tip for protection against
electric shock.
WARNING. To avoid electric shock when using the probe, keep fingers
behind the guard on the probe body.
Ordering information for replaceable parts and standard accessories
begins on page 35.
P6339A Instruction Manual
3
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