Agilent 8510C Introduction to New Features

Introduction to New Features

HP 8510C Network Analyzer

Revision 7.XX (7.00 and greater)

ABCDE

11575{90024

No.

art

P

HP

Printed

USA

in

Edition

March

1

1995

Certification

Hewlett-Packard Company certies that this product met its publishedspecications at the

time of shipment from the factory. Hewlett-Packard further certies that its calibration

measurements aretraceable to the United States National Institute of Standards and Technology

(NIST, formerly NBS), to the extent al lowed by the Institute's calibration facility, and to the

calibration facilities of other International Standards Organization members.

Warranty

This Hewlett-Packard instrument product is warranted against defects in material and

workmanship for a perio d of one year from date of delivery. During the warranty perio d,

Hewlett-Packard Company will, at its option, either repair or replace pro ducts whichproveto

be defective.

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Limitation of Warranty

The foregoing warranty shall not apply to defects resulting from improp er or inadequate

maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized mo dication or

misuse, op eration outside of the environmental sp ecications for the product, or improper site

preparation

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or

WARRANTY

EXPRESSED

IS

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OR

SPECIFICALLY

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DISCLAIMS THE

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

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tenance.

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THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE REMEDIES. HP SHALL NOT

LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,

BE

WHETHER BASED ON CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.

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Product maintenanceagreements and other customer assistance agreements are available for

Hewlett-Packardproducts. For any assistance, contact your nearest Hewlett-Packard Sales and

ServiceOce. Addresses areprovidedat theback of this manual.

General Safety Considerations

WARNING

Before you turn on this instrument, make sure it has been properly grounded

through the protective conductor of the ac power cable to a socket outlet

provided with protective earth contact.

Any interruption of the protective (grounding) conductor, inside or outside

the instrument, or disconnection of the protective earth terminal can result in

personal injury.

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a softkey

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iii

General Information

Introduction to this Document

This

Introduction to New Features of the HP 8510C

is designed to provide you with a quick

introduction to the new features and operating details of rmware revision 7.0 or greater of

the HP 8510C Network Analyzer.

1

Note

Aworking knowledge of the HP 8510, and basic familiarity with front-panel

operation is assumed, and only new features are explained. Demonstration

sequences assume that your are using an HP 8510C (color display), executing

rmware revision C.07.00, or higher.

more comprehensiv

For

companion

A

Programming

menu

eys,

hardk

to

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out

ab

er

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o

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Turn

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no

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LINE

preset to

Instrumen

are

the

h

switc

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on the

h

instrumen

State

t

olume,

v

Man

softkeys,

the

use

On

o

w

t

ro

8

ual

function

line

er

k

c

top b

on

ts

recalled.

is

the

b

information,

e

8510

HP

viding

pro

y

programming

and

in

switc

er

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o

p

on the

h

switc

ON.

to

x

o

HO

the

see

Keywor

a

d

complete

programmed

First

hes.

bottom

self{test

The

System

8510

Dictionary

alphabetical

mnemonics.

eration.

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on

turn

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the

8510

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8510

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the

Introduction to Limit Lines and Limit Points Measurements

Manual

and

t{panel

information

then

ts,

button

push

device

a

.

is

displa

w

dened.

On

while

the

the

the

limits

8510C net

HP

trace

that are

In addition to the limits

numeric

the curren

limits, or

PASS/FAIL

t trace meets

FAIL

appears if the trace exceeds the dened limits.

comparison with the dened limits. The comparison will indicate whether

can

ou

ork

ed.

y

analyzer,

These

y

limits allo

display on the screen, y

the user-dened limits.

that

dene

w

limits

visually

to

ou

y

ou can select to ha

PASS

appears if the trace meets the dened

screen,

the

on

the

ed

trace

alues

v

display

are

compare

ve the HP 8510C p erform a

General

Information

with

1-1

Types of Limits

There are two limit types:

Limit Lines

Limit Points

Limit Testing

For the purpose of limit

either

testing

limits,

\upp

turned

is

are tested.

the measuremen

on,

Either a

(maxim

er"

test.

in

eep

k

lines,

limit

or

F

or

the

F

end

against

happ

this

the

limits.

ens,

This type of limit consists of twoendpoints with a line drawn

between the end points. The end points of the line are dened by

a stimulus value, usually a frequency, and a limit value. The limit

line drawn between the twoendpoints may b e either at or sloping,

depending upon the end point settings. Make certain that you enter

an end-p ointvalue that is greater than the b egin-pointvalue.

This type of limit consists of a single p oint, having a single stimulus

value and limit value. a limit pointis drawn on the displayas

symbol. The sharp pointinthev;indicates the position of the limit

point.

PASS/FAIL

limits,

um)

PASS

that

mind

example,

tof

oin

p

testing, limit lines and points may be dened as being

PASS/FAIL

limit

within

fall

the

to

asure

me

ly

measuremen

o

results

d

the

or

only

a

\lo

or

tp

FAIL

limit

limit

er"

w

oints

message

data

line

line

(minim

that are

ts

oin

p

could

not

is

um)

displa

is

that

end

tested.

limits.

on-screen,

relating

ed

y

actual

are

een t

w

et

b

When

and

w

are

an

tested

p

t

dened

y

of

oin

ts.

v;

the

If

Note

limit

or

F

nearest

oin

p

actual

limit

or

F

oin

p

end

limit

the

if

ts,

measuremen

lines,

ts

are

t

only

tested.

oin

p

oin

p

measuremen

the

fall

not

es

do

t

the

for

used

is

t

t

exactly

limit

a measuremen

on

PASS/FAIL

test. In

then the

oint,

tp

addition, an

the limit

een

w

et

b

fall

that

ts

oin

p

line

y limit

point that is not in the measurement range (o the edge of the display), of course, is not

tested.

When no limits are dened, turning limit testing ON displays a

PASS

message. Any limits

that are dened, but are not in the current measurement range (they are o the edge of the

tested.

not

also

are

y)

displa

ed.

y

displa

eing

without limits

desired,

If

Limit T

limit

ables

PASS/FAIL

ma

turned

e

b

y

on

Each limit table can consist of from 0 to 12 limits,

in anycom

b

bination of limit lines and limit

points.

An instrument state in the HP 8510C can contain eight limit tables. There are four tables

for eachchannel. One table for each of the four \primary" parameters (one eachfor

,

S21

limit

displa

,

S12

tables,

mo

y

and

separate

de.

S22

,

but

the

tables

same

of

limit

limits

table

ma

y

is

e

b

used

dened

for

for

S11

each

User

and

parameter

.) By

1

ha

while

S11

m

ving

4-parameter

in

,

ultiple

1-2

General

Information

After a limit table has been created for one parameter on one channel, that table maybe

copied to any other parameter on either of the channels, using the

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

COPY LIMITS

function.

Figure

est

Creating

follo

the

Use

Note

a

wing

Limit

T

example

This

pro

cedure

screen.

To Set Up the Measurement

Connect

1.

Press

2.

the

4

PRESET

4

,

5

FREQ

5

,

then

lter b

RF

tested.

For this example, enter 175 MHz for the

3. Press

4

SPAN

5

and en

ter a frequency span that simplies viewing the passband of the RF

lter.

Use a 200 MHz span, as an example.

4.

Press

4

SCALE

5

then

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AUTOSCALE

to

et

1-1.

set

een

w

4

Example

an

up

assumes

net

the

CENTER

view

to

a Limit

of

example limit

analyzer

the

ter

resp

.

5

device

a

ork

w

En

center fr

tire

en

the

using

est

T

test for

displa

is

onse

OUT

RF

frequency

ter

cen

equency.

measuremen

Limit

an

t trace.

RF

y

and

Lines

lter.

on

ed

RF IN

the

of

net

the

orts.

p

RF lter

w

ork

b

analyzer

eing

General

Information

1-3

To Set the Limit Test Values

Limits create boundaries between which an active trace must remain for the measurementto

pass. To develop the limits, you select an appropriate softkey and adjust its position (value)

with the RPG, the step keys, or byentering the numeric value via the key pad.

5.

Press

4

DISPLAY

5

then

NNNNNNNNNNNNNNNNNNNN

LIMITS

. The network analyzer display splits into two sections. One

section displays the limit table and the other shows the selected limits on the display.

Press

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ADD LIMIT

to display the Add Limit Menu.

6.

To Define the Maximum Limit

In the following example, the resp onse of the lter is measured against three maximum limit

lines. The values are determined from the displayed trace, then limit parameters are entered

for a limit test. The values used for determining the limits are as follows:

Location Frequency of Interest

There

1.

2.

are

a

Use

Press

Use

ter v

en

use

Or,

visually

a.

Press

b.

Press

determine

to

er

mark

N

N

N

N

N

N

N

N

N

N

N

N

N

N

N

N

NN

N

N

MARKER

the

alues

the

adjust

RPG

softk

.

knob

directly

eys

the

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ADD MAX LINE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BEGIN STIMULUS

to

ys

a

w

o

tw

the rst, maximum limit line.

Note

Correct

The low side of the cut-o

125 MHz to 150 MHz

frequency portion

to

MHz

of

the

155

200

trace

the

MHz

y

trace,

to

ou

or

bandpass

The

high-side

The

frequency

to

the

mo

dene

ortion

p

test

frequencies

the

the

e

v

ortion

p

the

of

limits:

mark

cut-o

along

er

.

and

limits

RPG,

the

real-time,

in

step

ab

k

out

eys,

or

the

umeric

n

displa

keys

measurement

yed

to set a limit above the device's response trace.

, then enter 125 MHz. This is the beginning frequency value of

hnique:

tec

wing

follo

the

using

y

mistak

a

eb

195

225

plan

use

MHz

MHz

to

the

in an

limit

N

N

N

N

N

N

N

N

N

MARKER

=

ycom

test:

N

ey

k

N

N

N

N

N

N

N

N

N

N

N

N

NN

NN

bination to

trace.

to

c. Press

1-4

line.

lev

unit

General

our incorrect v

If y

er the error, then en

ov

ou ha

If y

and en

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

END STIMULUS

is

line

limit

A

el.

Information

alue is en

ter the correct v

ve pressed

4

MHz

ter the corrected v

tered and y

ou ha

alue.

5

for the incorrect v

alue.

not pressed

ve

alue, press

4

MHz

NNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNN

5

,bac

kspace

BEGIN STIMULUS

.Enter 150 MHz, the ending frequency of the rst maximum limit

zero

a

dra

wn

frequency

o

tw

the

een

w

et

b

v

tered,

en

ou

y

alues

at

N

(0.0)