HP Agilent 8757D User manual

Operating Manual
8757D Scalar Netw
ork Analyzer
SERIAL NUMBERS
This man
ual applies to all HP/Agilen
t8757D scalar net
w
ork
analyzers. Eac
hinstrumen
tis individually serialized. The last
v
en
um
bers are the sequen
tial sux, unique to eac
hinstrumen
t.
ABCDE
HP Part No. 08757-90109 Master Set part number 08757-90107
Printe in USA November 2000 Superse es March 1993

Notice.
The information contained in this documen
tis sub ject to c
hange without notice.
Agilen
tT
ec
hnologies mak
es no w
arran
t
yof an
ykindwith regard to this material, including
but not limited to, the implied w
arran
ties of merc
hantabilit
yand tness for aparticular
purpose. Agilent shall not be liable for errors con
tained herein or for inciden
tal or
consequen
tial damages in connection with the furnishing, performance, or use of this material.
c
 CopyrightAgilentTechnologies 1993, 2000
All Rights Reserved. Reproduction, adaptation, or translation without prior written
permission is prohibited, except as allowed under the copyrightlaws.

Certification
Agilent Tec
hnologies certi es that this pro duct met its published speci cations at the time
of shipmen
tfrom the factory
. Agilen
t further certi es that its calibration measurements
are traceable to the United States National Institute of Standards and T
ec
hnology
,to the
extent allo
w
ed b
ythe Institute's calibration facilit
y
,and to the calibration facilities of other
In
ternational Standards Organization mem
bers.
Regulatory Information
Chapter 1, \General Information," contains regulatory information.
W
arranty
This Agilen
tT
ec
hnologies instrumen
tpro duct is w
arran
ted against defects in material and
w
orkmanship for aperio dofone y
ear from date of shipmen
t. During the w
arran
t
yperio d,
Agilen
t will, at its option, either repair or replace products whic
hpro
v
eto bedefectiv
e.
F
or w
arran
ty service or repair, this product m
ust bereturned to aservice facilitydesignated
b
yAgilen
tT
ec
hnologies. Buy
er shall prepa
yshipping c
harges to Agilen
tandAgilent shall
pa
y shipping charges to return the product to Buy
er. Ho
w
ev
er, Buy
er shall pa
yall shipping
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harges, duties, and taxes for pro ducts returned to Agilent from another coun
try
.
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tT
ec
hnologies w
arrants that its soft
w
are and rm
w
are designated b
yAgilen
tfor use
with an instrumen
twill execute its programming instructions when properly installed on that
instrumen
t. Agilen
tdoes not w
arran
tthat the operation of the instrumen
t, or soft
w
are, or
rm
w
are will be unin
terrupted or error-free.
Limit
a
tion of Warranty
The foregoing w
arran
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yshall not apply to defects resulting from improper or inadequate
main
tenance b
yBuy
er, Buy
er-supplied soft
w
are or in
terfacing, unauthorized mo di cation or
misuse, op eration outside of the en
vironmen
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tenance.
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ARRANTY IS EXPRESSED OR IMPLIED. AGILENT TECHNOLOGIES
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YDISCLAIMS THE IMPLIED W
ARRANTIES OF MER
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CLUSIVE
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iii

Contents
T
able of Conten
ts
1. General Information
Safet
yConsiderations .. . . . . . ..................1-2
The HP 8757D Analyzer ................. . . . . . ..1-6
CR
T/LCD A
ttributes ........ . . . . . ...........1-6
Displa
ys . . . . . . .................... . . . . 1-6
P
eripherals ................... . . . .......1-6
Calibration Data and Instrumen
tStates ........... . ....1-6
Measuremen
tChannels ...... . ................1-6
Local and Remote Op eration .................... . 1-6
Options Available . . . . .................. . . . . 1-7
Speci cations, General Requiremen
ts, and Operating Characteristics . . . .1-9
Man
ufacturer's Declarations ............. . . . ......1-17
Accessories and Supplies .................... . . . . 1-20
2. Installation
In
tro duction .... . ........................ 2-1
Initial Insp ection ............ . ..............2-2
Operating En
vironmen
t................. . ......2-3
Electrostatic Disc
harge . . . . ...................2-4
P
o
w
er Requiremen
ts ..... . . . ..................2-5
Chec
king the Line V
oltage and F
use ....... . . . . . . . ....2-5
Chec
king the Po
w
er Cable ................. . . . . . 2-6
Equipmen
tRequired But Not Supplied . . . . . . ...........2-7
A
CDetection ........... . . . . . . . ..........2-7
Firm
ware Compatibilit
y................ . . . . . . . 2-7
RackMounting . . . . . . . . . . ............ . . . . . . 2-8
Connecting the Analyzer to aSource .. . ........... . ...2-10
External Mo dulation . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Other Con gurations . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Connecting the Analyzer to an External Monitor . . . . . . . . . . . . . 2-16
CRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Setting the HP-IB Address . . . . . . . . . . . . . . . . . . . . . . . 2-16
HP-IB Connectors and Cables . . . . . . . . . . . . . . . . . . . . . 2-18
Storing and Shipping . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Packing the Instrument . . . . . . . . . . . . . . . . . . . . . . . 2-20
Returning an Instrument for Service . . . . . . . . . . . . . . . . . . 2-20
Contents-1

3. Operation
HP/Agilen
t8757D Firm
w
are Capabilit
y..... . . . . . . . . . . . 3-1
Local Operation
HP 8757D User's Guide (wire-o book) .... . . . . . . . . . . . . . .
1. Operating . ... . . . . . . . . . ............ . . . 3
2. Transmission Measurements .................. . . 10
3. Reection Measuremen
ts .......... . . . . . . . ....17
4. Limit Lines .. . . . . . . . .................. 19
5. Alternate Sw
eep ................. . . . . . . . .21
6. External Disk Sa
v
e/Recall ...... . . . . . . . ........23
7. Special F
unctions . . . . . .................. . . 25
A. A
Cv
ersus DC Detection .............. . . . . . ..26
Index ........... . . . . . ...............27
HP 8757D Operating Reference (wire-o book) ..............
1. F
ron
t-P
anel F
eatures ............ . . . . . . . ....1-1
2. CHANNEL .......... . . . ..............2-1
3. ENTR
YArea ..... . ....................3-1
4. FUNCTION Keys . . . .................... . 4-1
5. INSTR
UMENT ST
A
TE .. . . . . . . . .............5-1
6. Rear P
anel F
eatures ......... . . . . . . . .......6-1
A. Op erator's Chec
k................... . . . ..A-1
B. Softk
ey Men
uStructure Maps . . .................B-1
C. P
erforming an External Calibration ......... . .......C-1
D. Measuremen
tApplications .................. . .D-1
Remote Operation
HP-IB Programming Notes .. . ....................1
HP 8757D Quic
kReference Guide ...... . . . ..........1
HP 8757D with HP 90000 Series 200/300 (BASIC) ... . . . .....1
HP 8757D with HP V
ectra (Quic
kBasic 4.5) ......... . . . ..1
HP 8757D with HP V
ectra (Quic
kC 2.5) .............. . . 1
In Case of Dicult
y
Con
ten
ts ... . ... . . . .................. . . . 1
Man
ual Operation ......... . . . . . . . ..........2
Line P
o
w
er . ........... . ............ . ...2
Error Co des . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
HP-IB Connections and Addresses . . . . . . . . . . . . . . . . . . 3
Other Cable Connections . . . . . . . . . . . . . . . . . . . . . . 4
Remote Operation . . . . . . . . . . . . . . . . . . . . . . . . . 4
Inaccurate Operation . . . . . . . . . . . . . . . . . . . . . . . . . 5
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mo dulation Characteristics . . . . . . . . . . . . . . . . . . . . . . 5
Sweep Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Calibrator Option 002 Only . . . . . . . . . . . . . . . . . . . . . 5
Miscellaneous Problems . . . . . . . . . . . . . . . . . . . . . . . . 6
Alternate Sweep . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Number of Trace Points and Trace Memory . . . . . . . . . . . . . . 7
Contents-2

Autozero of DC Detectors . . . . . . ............ . . . . 7
Sa
v
e/Recall Registers ......... . . . . . . . . . . . . . ..7
System In
terface On/O . . . . . . . . . . . . . ..........8
Measurement-Memory-Memory . . ............ . . . . . . 9
Cursor Searc
h.... . . . . . . . . . . . . . ..........9
On-Site Service . . . . . . . . . ............ . . . . . . . 9
Main Error Co des .............. . . . . . . . .....10
P
o
w
er Calibration Error Messages .. . . . . . . . ..........13
Detector Error Messages (HP 85037A/B only . ..............14
On-Site Service -Calibration ............ . . . . . . . ..14
Connector Care
Principles of Micro
w
a
v
eConnector Care|Quic
kReference Card ......
Glossary
Contents-3

1
General Information
This c
hapter pro
vides information on the follo
wing topics:
general safet
y considerations
serial n
um
bers
analyzer description
po
wer calibrator option
a
v
ailable options
speci cations
operating c
haracteristics
man
ufacturer's radio in
terference declaration
man
ufacturer's sound emission declaration
man
ufacturer's ISO declaration
ordering accessories and supplies
General Information 1-1

General Safety Considerations
Warning
No operator serviceable parts insi e. Refer servicing to qualifie personel. T
o
prevent electric shock, o not remo
v
eco
v
ers.
W
arning
T
oprev
ent electrical shock, isconnect the Agilent T
echnologies 8757D from
mains before cleaning. Use a ry cloth or one slightly ampene with w
ater to
clean the external case parts. Do not attempt to clean internally
.
Warning
If this pro uct is not use as specifie , the protection pro
vi e b
ythe
equipment coul be impaire . This pro uct must be use in anormal con ition
(in which all means for protection are intact) only
.
Caution
Alwa
ys use the three-prong A
Cpo
w
er cord supplied with this pro duct. F
ailure
to ensure adequate earth grounding b
ynot using this cord ma
ycause pro duct
damage.
Safety Symbols
General
This pro duct w
as designed and man
ufactured in accordance with in
ternational safet
y
standards. Before y
ou operate this analyzer, review the pro duct and related documen
tation.
Become familiar with safet
ymarkings and instructions.
L
Instruction man
ual sym
bol: the pro duct will bemark
ed with this sym
bol
when it is necessary for the user to refer to the instruction man
ual (refer to
T
able of Con
ten
ts).
M
Indicates hazardous v
oltages.
K
Indicates earth (ground) terminal.
The CE mark is the registered trademark of the Europ ean Communit
y
.
The CSA mark is a registered trademark of the Canadian Standards
Asso ciation.
ISM1 A This is a sym
bol of an Industrial Scien
ti c and Medical Group 1, Class A
pro duct (CISPR 11, Clause4).
The \ON" symb ol is used to mark the position of the analyzer's line power
switch.
The \STANDBY" symbol is used to mark the position of the analyzer's power
switch.
1-2 General Information

The A
Csym
bol is used to indicate the required nature of the line mo dule
input po
wer.
The C-Tic
kmark is aregistered trademark of the Australian Sp ectrum
Management Agency.
W
arning
The W
ARNING sign enotes ahazar . It calls attention to a proce ure, which,
if not correctly performe or a here to, coul result in personal injury
.Do
not procee bey
on aW
ARNING sign until the in icate con itions are fully
un erstoo an met.
Caution
A
Caution
note denotes ahazard. It calls atten
tion to apro cedure, that, if not
correctly performed or adhered to, could result in damage to or destruction
of the pro duct. Do not pro ceed bey
ond a
Caution
note un
til the indicated
conditions are fully understoodand met.
Safety Earth Groun
This is a Safet
y Class Ipro
duct (pro
vided with aprotectiveearthing terminal). An
unin
terruptible safet
yearth ground m
ust bepro
vided from the main po
w
er source to the
pro duct input wiring terminals, po
w
er, cord, or supplied po
w
er cord set. Whenever it is lik
ely
that the protection has been impaired, the product m
ust bemade inop erativeand secured
against an
yunin
tended operation.
Before Applying P
o
w
er
V
erify that the pro duct is con gured to matc
hthe a
vailable main po
w
er source. Refer to the
input po
w
er con guration instructions pro
vided in this man
ual.
If this pro duct is to beused with an autotransformer mak
esure the common terminal is
connected to the neutral (grounded) side of the main supply
.
Servicing
An
yservicing, adjustmen
t, main
tenance, or repair of this pro duct m
ust b ep
erformed only
by quali ed personnel. Capacitors inside this pro duct ma
ystill bec
harged even when
disconnected from their po
w
er source.
Toa
void a re hazard, replacemen
t fuses m
ust ha
ve the required current rating and be of the
type sp eci ed in this man
ual.
General Information 1-3

Preface
This manual applies directly to all HP/Agilent 8757D net
w
ork analyzers. See the serial
n
um
ber plate (Figure 1-1)attached to the analyzer bac
k panel. The rst four digits follow
ed
by a letter are the serial n
umb er pre x. The last v
edigits are the sequen
tial sux, whic
hare
unique to eac
hinstrumen
t.
Figure 1-1. Typical Serial Number Label
1-4 General Information

Figure 1-2. HP 8757D Scalar Network Analyzer an Accessories Supplie
General Information 1-5

The HP 8757D Analyzer
The HP 8757D ( Figure 1-2
)isa micropro cessor-based receiv
er capable of making scalar
(magnitude only) reection and transmission measurements. The external detectors used
determine the frequency range. The raster displa
ypro
vides high resolution for viewing
measuremen
ts.
Note
The original HP 8757D incorp orated acatho de ra
ytube(CRT) based displa
y.
The curren
tdesign incorp orates a liquid crystal displa
y (LCD) based displa
y
.
In this man
ual, references to either CR
Tor LCD apply to both displa
ydesigns
unless noted otherwise.
CRT/LCD A
ttributes
The CR
T/LCD displa
ys attributes (suc
has the grid, measuremen
t traces for eac
hc
hannel,
and lab els) in factory-de ned colors. Y
ou can adjust the h
ue, saturation and in
tensit
yof eac
h
of these attributes.
Displays
The analyzer can sim
ultaneously driv
eb
oth the internal display and one external monitor
(color or mono c
hrome, if compatible with the analyzer's scan rate and video lev
els).
P
eripherals
Y
ou can use the analyzer to con
trol external prin
ters, plotters, and sources through the system
in
terface. Aprin
ter and plotter buer sp eeds measuremen
ts b
yreturning con
trol to the
analyzer while data prin
ts.
Calibration Data and Instrument States
Y
ou can store and recall instrumen
tstates and calibration data to and from external disks.
Measurement Channels
Four indep enden
t but identical measuremen
tc
hannels allowsim
ultaneous measuremen
ts and
viewing of measuremen
tparameters. The detector inputs (A, B, C, and R) accept A
Cor DC
detected signals from detectors or bridges.
Local and Remote peration
You can op erate the analyzer either locally
, using the fron
t panel con
trols and men
u
selections, or remotely o
ver the HP-IB. Y
ou can also generate on-screen graphics (see \Remote
Operation").
1-6 General Information

ptions Available
Option 001 adds afourth detector input (C).
Option 002 adds the pow
er calibrator.
Option 001 and 002 adds
b
oth
the fourth detector input and the po
wer calibrator. (See
the fron
tpanel options table on the follo
wing page and the descriptions belo
wit
for more
detailed information on these options.)
Figure 1-3.
Option 001, Fourth Detector Input
This option supplies four fron
t-panel detector inputs (A, B, C,
and R).
Option 002, Internal P
o
w
er Calibrator
This option supplies three fron
tpanel detector inputs (A,B,and R) and adds an in
ternal po
w
er
calibrator. The po
w
er can beprecisely con
trolled in 1dB incremen
ts from +20 to
0 50 dBm.
Option 908, Rack Mount Without Han les
This option supplies a rac
kmoun
t kit con
taining a pair of anges and the necessary hardw
are
to moun
t the analyzer (with handles
detached ) in an equipmen
t rac
kthat has 482.6 mm (19
in) horizon
tal spacing. See c
hapter 2 for installation instructions.
Option 913, Rack Mount With Han les
This option supplies a rac
kmoun
tkit con
taining a pair of anges and the necessary hardw
are
to mount the analyzer (with handles attached ) in an equipment rack that has 482.6 mm (19
in) horizontal spacing. See chapter 2 for installation instructions.
General Information 1-7

Option W30, Exten e Service
This option (iden
ti ed on the serial num
ber tag) adds t
w
oadditional y
ears of return-to-HP
hardw
are support follo
wing the rst y
ear of warran
ty
.Y
ou can order this option only at
time-of-purchase.
Option W32, Three-Y
ear Calibration
This option (iden
ti ed on the serial n
umber tag) provides a three-y
ear return-to-HP
calibration service. Y
ou can order this option only at time-of-purc
hase.
Option 1BN, MIL-STD 45662A Calibration
This option pro
vides an instrumen
tcalibration and a certi cate of calibration in full
compliance with MIL-STD 45662A.
Option 1BP
,MIL-STD 45662A Calibration with Data
This option pro
vides an instrumen
tcalibration, acerti cate of calibration, and test data in
full compliance with MIL-STD 45662A.
1-8 General Information

Specifications, General Requirements, and perating
Characteristics
Specifications
Speci cations (listed in T
able 1-1)are the performance standards or limits against which
the instrumen
tis tested. Speci cations apply from +20

Cto +30

C(unless otherwise
noted), and only after the instrumen
t's temperature stabilizes after one hour of con
tin
uous
operation. Unless otherwise noted, corrected limits are giv
en when speci cations are sub ject
to optimization with error-correction routines.
General Requirements
General requirements (listed in T
able 1-2)de ne sp eci cations required of the source for
proper analyzer op eration.
perating Characteristics
Operating c
haracteristics (listed in T
able 1-3
)are non-warran
ted parameters. They are not
speci cations, but are t
ypical performance parameters that most units meet from +20

Cto
+30

C.
General Information 1-9

T
able 1-1. HP 8757D Specifications
1
(1 of 2)
F
unction
:F
our indep endent displa y channels pro cess signals from the HP 85025, 85026, 11664, or 85037 detectors and the
HP 85020 or 85027 ridges. The analyzer displays the data logarithmically
,in single input or ratio mode, with resp ect to
frequency
,on the in
ternal CR
T/LCD. Three detector inputs (A, B, and R) accept A
Cor
DC detected signals from detectors
or ridges.
Option 001 has four detector inputs (A, B, C, and R).
Modulator Driv
e
:The analyzer modulator driv eoutput provides the circuitry to driv
ethe HP 8340 and 8341 synthesized
sw
eep ers and the HP 11665B modulator. Y
ou can turn modulator drive on and o via either the frontpanel or HP-IB. In the
OFF state, the modulator drive signal turns the HP 11665B fully on for minim
um insertion loss. The 8360 and 8370
synthesized sw
eep ers ha
v
ethe capa ilit
yof modulating signals, so an external mo dulator such as the 11665B is not necessary
when using the 8360/8370 series.
Mark
er Accuracy
:The mark
er frequency accuracy is 0.1 PPM of the mark
er frequency plus the source marker frequency
accuracy
.
F
requency
:27.778 kHz
6
12 Hz
Symmetry
:50%
6
1%
Dynamic Range, Dynamic Accuracy
,Absolute P
o
w
er Accuracy
:These system sp ecications are dep enden
ton the
detector used. The follo
wing examples sho
woth the HP 85037A/B and the HP 11664A/E detectors. (F
or HP 85025 and
HP 85026 sp ecications, refer to their man
uals.)
Dynamic Range
2
HP 85037A/B HP 11664A/E
A
CMo de: +20 to
0
55 dBm A
CMo
de: +16 to
0
60 dBm
DC Mo de: +20 to
0
50 dBm
HP 85037A/B
HP 11664A/E
1
All sp ecication apply at 25

6 5

C, unless otherwise noted.
2
Using an HP 85037A/B Detector.
1-10 General Information

HP 8757D Specifications
1
(2 of 2)
P
o
wer Calibrator (Option 2)
The internal po
w
er cali rator option (Option 002) provides a50 MHz reference standard for c
haracterizing the a solute
po
w
er accuracy and dynamic po
wer accuracy of HP 85037 Series precision detectors.
F
requency
:50 MHz
6
0.1 MHz
Output P
ow
er (DC mode):
Range: +20 to
0
50 dBm
Accuracy at 0 dBm:
6
0.05 dB
SWR:

1.05 t
ypical
Modes of Op eration
:
DC Mo de (unmo dulated)
AC Mo de:
Mo dulation F
requency: 27.778
6
0.012 kHz
On/O Ratio:

40 dB t
ypical
Symmetry: 50
6 1% t
ypical
Connector
:T
yp e-N(f )
Accessories Included
:
Adapter: T
yp e-N(m) to 3.5 mm(f )
1
All sp ecication apply at 25

6 5

C, unless otherwise noted.
General Information 1-11

Table 1-2. HP 8757D General Requirements
General requiremen
ts dene specications required of the source for prop er analyzer op eration.
Sw
eep Time
:Minim
um sw
eep time and maxim
um n
umber of display
ed CR
T/LC traces depend on the
horizon
tal resolution (n
um
ber of points):
Num
ber of
P
oin
ts
Minimum Sw
eep Time (ms)
1
1 Input 2Inputs 3Inputs 4Inputs
101 40 40 40 40
201 40 40 52 68
401 40 72 104 136
801 80 144 208 272
1601 160 288 NA NA
Modulation
(for use with HP 85025, 85026, 11664, 85037 detectors and HP 85020 or
85027 bridges in A
Cmo de):
Square-w
a
v
eamplitude mo dulation.
F
requency: 27.778 kHz
6
20 Hz.

30 dB on/o ratio.
45% to 55% symmetry
.
Sw
eep V
oltage
(Sw
eep In): Horizon
tal sw
eep v
oltage (0 to 10 V) or apulse signal (0 to
10 V) from an HP 83750 Series source pro
vided to the analyzer's SWEEP IN 0|10V
rear-panel input. Y
ou can use other sw
eep v
oltages b
yusing the analyzer's non-standard
sw
eep mo de.
Mark
er and Mark
er Blanking
(P
oz ZBlank): Blanking and mark
er signals pro
vided to
the analyzer's POS ZBLANK rear-panel input. HP 8350, HP 8340 and 8341, and HP
8360 Series sources pro
vide v
ea
v
ailable mark
ers, but the HP 83750 Series source
pro
vides ten a
v
ailable mark
ers.
V
oltage ev
els (T
ypical)
Blank
ed +5 V
Un
blanked 0V
Mark
er 0
4V
Activ
e Mark
er 0
8V
1
Log magnitude format.
1-12 General Information

T
able 1-3. Operating Characteristics
1
(1 of 4)
Displa
y
Displa
yModes
:All analyzer c
hannels can displa
yanydetector input, or an
yratiocombination of
detector inputs. The CR
T/LC can displa
ydata in one of the follo
wing mo des.
Log Magnitude:
dBm: Single c
hannel po
w
er measuremen
t.
dB: Relativepo
w
er measuremen
t(ratio or relativ
etotrace memory).
SWR: Relativemeasuremen
ts.
A
UX: The rear-panel BNC input A C IN can be measured and displa
yed in v
olts
(
0
10 to +10V). T
ypical maxim
um error is 60 mV.
Displa
y
Mode
Scale
Resolution
Displa
y
Range
V
ertical
Resolution
dBm 0.1 to 20 dB/div
0 80 to
0
130 dBm
2
0.003 dB
3
dB (ratio) 0.1 to 20 dB/div
0
150 to +150 dBm
4
0.006 dB
3
Normalized Ratio 0.1 to 20 dB/div
0
180 to +180 dB 0.01 dB
SWR 0.02 to 10 units/div 1.0 to 37.0 0.01 at 1
0.1 at 10
0.27 at 30
A
UX 0.025 to 5V/div
0
10 to +10V 0.001 V
Color Settings
:Up
to 8op erator-selected colors for CR
T/LC attributes (suc
has the grid,
measuremen
ttraces, and lab els).
1
The v
alues in this ta le are
not
sp ecications, ut t
ypical, non-warran
ted performance parameters.
2
Maxim
um 90 dB range pen trace.
3
0.01 dB for display cursor.
4
Maxim
um 180 dB range pen trace.
General Information 1-13