Agilent Technologies 42841A User manual

○
CCopyright 2008 Agilent Technologies
Caution
Jun 2008
1. Use the following procedure when turning off the 42841A:
a. Turn off the DC bias current output.
b. Disconnect a DUT (Device Under Test) from the test fixture.
c. Turn off the 42841A LINE ON/OFF switch.
If turning off the 42841A power with DUT connected, the 42841A internal circuit may
be damaged.
2. Turn off all the power switches of the 42841A and the LCR meter when connecting or
disconnecting any connection involving the 42841A and the LCR meter.

Agilent 42841A Bias Current Source
Manual Change
February 2003
Printed in Japan
Change 1
Change option numbers described in Operation Manual.
Old Option Number New Option Number Remark
907 (Front Handle Kit) same as the left number
908 (Rack Mount Kit) same as the left number
909 (Rack Flange and Handle Kit) same as the left number
- ABA (Add Operation Manual (English))
- ABJ (Add Operation Manual (Japanese))
1
915 (Add Service Manual) same as the left number
1. In the previous system, the option number is used to choose the language of the operation manual
(standard accessory). In the new option system, it is used to add an operation manual (optional
accessory) of the language the customer desires.
© Copyright Agilent Technologies Japan, Ltd. 2003

Safety Summary
When you notice any of the unusual conditions listed below, immediately
terminate operation and disconnect the power cable.
Contact your local Agilent Technologies sales representative or
authorized service company for repair of the instrument. If you continue
to operate without repairing the instrument, there is a potential fire or
shock hazard for the operator.
nInstrument operates abnormally.
nInstrument emits abnormal noise, smell, smoke or a spark-like light
during the operation.
nInstrument generates high temperature or electrical shock during
operation.
nPower cable, plug, or receptacle on instrument is damaged.
nForeign substance or liquid has fallen into the instrument.

Agilent 42841A BIAS CURRENT SOURCE
OPERATION MANUAL
SERIAL NUMBERS
This man
ual applies directly to instrumen
ts with serial n
um
ber prex
2915J
F
or additional imp ortan
tinformation about serial n
um
bers, read
\Serial Num
ber" in Chapter 4of this Man
ual.
Agilent Part No. 42841-90010
Printed in JAPAN March 2000
Fifth Edition

Notice
The information con
tained in this documentis sub ject to c
hange
without notice.
This documen
tcon
tains proprietary information that is protected b
y
cop
yrigh
t. All righ
ts are reserv
ed. No part of this documen
tma
ybe
photo copied, reproduced, or translated to another language without
the prior written consen
tof the Agilen
tT
ec
hnologies.
Agilent Tec
hnologies Japan, Ltd.
Comp onen
tT
est PGU-Kobe
1-3-2, Murotani, Nishi-ku, Kobe-shi,
Hyogo, 651-2241 Japan
c
 Copyright 1989, 1991, 1996, 2000 AgilentTechnologies Japan, Ltd.

Manual Printing
History
The man
ual prin
ting date and part num
ber indicate its current
edition. The prin
ting date changes when a new edition is prin
ted.
(Minor corrections and updates that are incorp orated at reprin
tdo
not cause the date to c
hange.) The manual part n
umber c
hanges
when extensive technical changes are incorp orated.
April 1989
::::::::::::::
First Edition (part num
ber: 42841-90000)
April 1991
::::::::
::::
Second Edition (part n
um
ber: 42841-90000)
Decem
ber 1991
:::
:::::
Third Edition (part n
um
ber: 42841-90000)
Decem
ber 1996
:::::::
F
ourth Edition (part num
ber: 42841-90000)
Marc
h2000
:::::::::::::
Fifth Edition (part n
um
ber: 42841-90010)
iii

Certification
Agilen
tT
ec
hnologies certies that this pro duct met its published
specications at the time of shipmen
tfrom the factory
. Agilen
t
Tec
hnologies further certies that its calibration measuremen
ts are
traceable to the United States National Institute of Standards and
T
echnology
,to
the exten
t allo
wed b
ythe Institution's calibration
facilit
y
,or to the calibration facilities of other In
ternational
Standards Organization mem
bers.
W
arranty
This Agilent Tec
hnologies instrumen
tpro duct is w
arran
ted against
defects in material and w
orkmanship for aperio dof one y
ear from
the date of shipmen
t, except that in the case of certain comp onen
ts
listed in
Gener
al Information
of this man
ual, the w
arran
t
yshall
befor the specied perio d. During the w
arran
t
yperio d, Agilen
t
T
ec
hnologies will, at its option, either repair or replace pro ducts that
pro
v
eto bedefectiv
e.
F
or w
arran
t
yservice or repair, this pro duct must bereturned
to aservice facilit
ydesignated b
yAgilen
tT
ec
hnologies. Buy
er
shall prepa
yshipping c
harges to Agilen
tT
ec
hnologies and Agilen
t
T
ec
hnologies shall pa
yshipping c
harges to return the pro duct to
Buy
er. Ho
w
ev
er, Buy
er shall pa
yall shipping charges, duties, and
taxes for pro ducts returned to Agilen
tT
ec
hnologies from another
coun
try
.
Agilen
tTec
hnologies w
arran
ts that its soft
w
are and rm
w
are
designated b
yAgilen
tT
ec
hnologies for use with an instrumen
twill
execute its programming instruction when propert
yinstalled on that
instrument. AgilentT
ec
hnologies does not w
arran
tthat the operation
of the instrumen
t, or softw
are, or rmw
are will beunin
terrupted or
error free.
Limitation Of
Warranty
The foregoing w
arrant
y shall not apply to defects resulting from
improp er or inadequate main
tenance b
yBuy
er, Buy
er-supplied
softw
are or in
terfacing, unauthorized mo dication or misuse,
operation outside the en
vironmental sp ecications for the pro duct, or
improp er site preparation or main
tenance.
No other warr
anty is expr
essed or implie
d. A
gilent T
echnologies
spe
cical ly disclaims the implie
d warr
anties of mer
chantability and
tness for a particular purpose.
iv

Exclusiv
eRemedies
The r
eme
dies pr
ovide
dher
ein ar
e buyer's sole and exclusive r
emedies.
A
gilent T
echnolo
gies shal l not be liable for any dir
e
ct, indir
e
ct, sp
e
cial,
incidental, or conse
quential damages, whether b
ase
don c
ontr
act, tort,
or any other le
gal the
ory.
Assistance
Pro duct main
tenance agreemen
ts and other customer assistance
agreemen
ts are a
v
ailable for Agilen
tT
ec
hnologies pro ducts.
F
or an
yassistance, con
tact y
our nearest Agilen
tT
ec
hnologies Sales
and Service Oce. Addresses are pro
vided at the back of this
manual.
v

Safety Summary
The follo
wing general safet
yprecautions m
ust be observ
ed during all
phases of operation, service, and repair of this instrument. Failure
to comply with these precautions or with specic
W
ARNINGS
elsewhere in this man
ual ma
y impair the protection provided by
the equipment. In addition it violates safety standards of design,
man
ufacture, and in
tended use of the instrumen
t.
The A
gilent T
e
chnolo
gies assumes no liability for the customer's
failur
etocomply with these r
e
quir
ements.
Note
42841A comply with INST
ALLA
TION CA
TEGOR
YIIand
POLLUTION DEGREE 2in IEC1010-1. 42841A are INDOOR USE
pro duct.
Note
LEDs in this pro duct are Class 1in accordance with IEC825-1.
CLASS 1LED PR
ODUCT
Ground The Instrument
T
oa
v
oid electric shoc
k hazard, the instrumen
tc
hassis and cabinet
m
ust be connected to a safetyearth ground b
ythe supplied po
w
er
cable with earth blade.
DO NOT Operate In An
Explosiv
eA
tmosphere
Do not operate the instrumen
tin the presence of ammable gasses or
fumes. Operation of an
yelectrical instrumen
tin suc
han en
vironmen
t
constitutes adenite safet
yhazard.
Keep Aw
ayFrom Liv
e
Circuits
Operating personnel m
ust not remo
ve instrumen
tco
v
ers. Comp onen
t
replacemen
tand in
ternal adjustmen
ts m
ust bemade b
yqualied
main
tenance personnel. Do not replace componen
ts with the po
w
er
cable connected. Under certain conditions, dangerous voltages may
exist ev
en with the po
w
er cable remo
ved. To av
oid injuries, alw
a
ys
disconnect po
w
er and disc
harge circuits before touc
hing them.
DO NOT Service Or
Adjust Alone
Do not attempt in
ternal service or adjustmen
tunless another person,
capable of rendering rst aid and resuscitation, is present.
DO NOT Substitute
Parts Or Modify
Instrument
Because of the danger of in
tro ducing additional hazards, do not
install substitute parts or perform unauthorized modications to the
instrumen
t. Return the instrumen
t to a Agilen
tT
echnologies Sales
and Service Oce for service and repair to ensure that safet
y features
are main
tained.
vi

Dangerous Procedure
W
arnings
W
arnings
,suc
has the example belo
w, precede p oten
tially dangerous
pro cedures throughout this man
ual. Instructions contained in the
warnings must be follo
w
ed.
W
arning
Dangerous v
oltages, capable of causing death, are present in this
instrument. Use extreme caution when handling, testing, and adjusting
this instrument.
vii

Safety Symbols
General denitions of safet
ysym
bols used on equipment or in
man
uals are listed b elow.
Instruction man
ual sym
bol: the pro duct is mark
ed
with this sym
bol when it is necessary for the user to
refer to the instruction man
ual.
Alternating curren
t.
Direct curren
t.
On (Supply).
O (Supply).
In position of push-button switc
h.
Out position of push-button switc
h.
F
rame (or c
hassis) terminal. Aconnection to the
frame (c
hassis) of the equipmen
twhic
hnormally
include all exposed metal structures.
This
Warning
sign denotes ahazard. It calls
atten
tion to apro cedure, practice, condition or the
lik
e, whic
h, if not correctly performed or adhered to,
could result in injury or death to personnel.
This
Caution
sign denotes ahazard. It calls
atten
tion to a procedure, practice, condition or the
lik
e, whic
h, if not correctly performed or adhered to,
could result in damage to or destruction of part or all
of the pro duct.
This
Note
sign denotes imp ortan
t information. It
calls atten
tion to apro cedure, practice, condition or
the lik
e, whic
his essen
tial to highlight.
Axed to pro duct containing static sensitiv
e devices
use anti-static handling pro cedures to preven
t
electrostatic disc
harge damage to component.
viii

Ho
wto Use This
Manual
This is the Operation Man
ual for the 42841A Bias Curren
t Source
including system operation com
bining with the 4284A, 42842A/B,
and 42843A. This man
ual con
tains installation, conguration,
operation, and performance test in the pro cedure following six
c
hapters. After you receiveyour 42841A, begin with c
hapter 1.
The 42841A is designed to compose a high DC curren
tbiased
imp edance measuremen
tsystem, com
bining with the 4284A. Refer to
the 4284A Operation Man
ual (Agilen
tP
art Num
ber 04284-90000) for
operation 4284A, before reading this Op eration Man
ual.
F
or error messages of the 42841A, 42842A/B, and 42843A in use with
the 4284A, refer to the
4284A Op
er
ation Manual App
endix BErr
or
Message A
nd System Message
.
Chapter 1
Installation
This c
hapter pro
vides unpac
king, initial inspection, and preparation
information necessary for y
ou to kno
wbefore applying A
Cpo
w
er.
Chapter 2
Product Ov
erview
This c
hapter pro
vides information including apro duct o
v
erview.
Chapter 3
Operation Procedure
and Examples
This c
hapter pro
vides the basic operation pro cedures measuremen
t
tec
hniques, practical measuremen
texamples, and remote con
trol
capabilityinformation.
Chapter 4
General Information
This c
hapter pro
vides specications, supplemen
tal performance
c
haracteristics, and other general information on the 42841A.
Chapter 5
P
erformance T
est
This c
hapter pro
vides the performance tests for the 42841A used
for incoming insp ection and v
erication that y
our instrumen
tis
completely calibrated.
Appendix A
Manual Changes
Appendix Acontains Manual Changes and provides information for
using this man
ual with an 42841As manufactured before the prin
ting
date of the manual.
ix

Typeface
Conv
entions
Bold
Boldface t
ypeis used when aterm
is dened.
F
or example:
icons are symbols.
Italics Italic typeis used for emphasis and for titles
of man
uals and other publications.
Italic t
ypeis also used for k
eyboard entries
when a name or av
ariable m
ust bet
yped in
place of the w
ords in italics. F
or example:
copy
lename
means to t
ypethe w
ord copy
,
to t
ype a space, and then to t
ypethe name of
ale suc
has
file1
.
Computer
Computer fon
tis used for on-screen prompts
and messages.
4
HARDKEYS
5
Labeled k
eys on the instrumen
tfron
t panel
are enclosed in
45
.
NNNNNNNNNNNNNNNNNNNNNNNNNN
SOFTKEYS
Softkeys lo cated to the righ
tof the LCD are
enclosed in
NNNNN
.
x

Contents
1. Installation and Set Up Guide
Incoming Inspection ............. . 1-1
P
o
w
er Requiremen
ts . . . . . . . . ......1-2
P
ow
er Cable .................1-2
Line V
oltage and F
use Selection ......... 1-4
Line V
oltage Selection ... . . . . . .....1-4
F
use Selection ..............1-4
Operation En
vironmen
t.... . ........1-5
Electromagnetic Compatibilit y..........1-5
V
entilation Requirements . . ..........1-5
Instruction for Cleaning ...... . . . . . . . 1-6
Rac
k/Handle Installation ............1-6
Option 907 Handle Kit ............1-7
Installing the Handle .... . . . .....1-7
Option 908 Rac
kFlange Kit .......... 1-7
Moun
ting the Rac
k.............1-7
Option 909 Rac
kFlange &Handle
Kit .....1-7
Moun
ting the Handle and Rac
k....... 1-7
2. Product Ov
erview
In
tro duction ................. . 2-1
Pro duct In
tro duction . . ............2-1
AT
our of the F
ron
tPanel . . . . .......2-2
(1) LINE On/O ............. . 2-2
(2) Operation Indicator . ..........2-2
(3) DC Bias Indicator . . . . . . . . ....2-3
(4) DC Bias Curren
tOutput .... . . . . . 2-3
(5) Fixture Connection Detector . ......2-3
(6) Fixture Guide Holes and Threaded Studs . . 2-3
AT
our of Rear P
anel . . . . . . . . . . . . . 2-4
(1) Bias Curren
tIn
terface Connectors . . . . . 2-4
(2) Line V
oltage Selector . . . . . . . . . . 2-4
(3) Line F
use Holder . . . . . . . . . . . . 2-4
(4) Line Input Receptacle . . . . . . . . . . 2-4
Contents-1