Agilent Technologies 4395A

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Front

anel

Description

Cal

Continued

DONE: 2-PORT

CAL

Completes the

full 2-port

calibration. The

error coecients

are computed

and stored.

The

correction

displayed

with

CORRECTION

and

the

notation

displayed

the

left

the screen.

DONE:

2-PORT CAL

is pressed

without

measuring

all

the

required

standards

the

message CA

UTION:ADDITIONAL ST

ANDARDS

NEEDED is

displayed

ONE

2-PORT

Displays

the

series

menus

used to

perform a

high-accuracy,

two-port calibration

without

S-parameter

test

set.

This calibration

procedure eectively

reduces directivity

, source

match,

load

match,

isolation, reection

tracking, and

transmission tracking

errors in

one

direction

only

Isolation

correction

can

be omitted

for measurements

of devices

with limited

dynamic

range

(The

DUT

must be

manually reversed

between sweeps

to accomplish

measurement

both

input

and

output

responses.)

The required

standards are

SHORT

OPEN,

THRU

and

impedance-matched

LOAD

.The

procedure for

performing a

one-path

2-port

calibration

described

in the

\Performing

a1-P

ath

2-P

ort

Calibration

Chapter

REFLECT'N Start

the

reection

calibration

for

full 2-port

calibration and

displays the

that

measures

one

port

standards

for

reection calibration.

(S11):

OPEN

When

the

cal

kit is

mm or

3.5

cal

kit

this

softkey

measures

the

OPEN

standard

and

then

the

softkey

label

underlined.

Or,

this softkey

displays the

open

standard

that

selects

OPEN

standard

and

measures the

standard when

the cal

kit



type-N.

SHORT When

the

cal

kit

3.5 mm

cal kit

this

softkey

measures

the

SHORT

standard

and

then

the

softkey

label

underlined.

this softkey

displays the

short

standard

that

selects

SHORT

standard

and

measures

the

standard

when

the

cal

kit

is 50



type-N.

When

the

cal

kit

mm or

3.5 mm

cal kit

this

softkey

measures

the

standard

and

then

the

softkey

label

is underlined.

Or,

this softkey

displays

the

load

standard

that

selects

load

standard

and

measures

the

standard

when

the cal

kit is

50 

or 75



type-N.

REFLECT'N

DONE

Completes

the

reection

calibration

for

the

one-path

2-port calibration.

The error

coecients are

computed

and

stored.

One-path

2-P

ort

displayed,

with

the

REFLECT'N

softkey

underlined.

If this

key

pressed

without

measuring

all

the

required

standards

the

message

UTION:ADDITIONAL

AND

ARDS

NEEDED

displayed.

TRANS-MISSION Starts

the

transmission

calibration

and

displays the

that

measures

frequency

response

and

load

match for

transmission

calibration.

FWD

TRANS.

THRU

Measures

frequency

response

and

then

the

softkey

underlined.

the

cal

kit

user

kit

and

two

standards

are

assigned

the

forward

transmission

class

this

softkey

displays

the

THRU

standard

that

selects

the

THRU

standard

and

measures

it.

FWD

TCH

THRU

Measures

load

match,

and

then

the

softkey

underlined.

the

cal

kit

user

kit

and

two

standards

are

assigned

the

forward

match

class

this

softkey

displays

the

THRU

standard

that

selects

the

THRU

standard

and

measures

it.

TRANS.

DONE

Completes

transmission

calibration.

The

error

coecients

are

calculated

and

stored.

The

one-path,

2-P

ort

displayed,

with

the

TRANSMISSION

softkey

underlined.

this

key

pressed

without measuring

all the

required standards

,the

message

UTION:ADDITIONAL

AND

ARDS

NEEDED is

displayed.

ISOLA

TION

Starts

the

isolation

calibration

and

displays

the menu

that measures

isolation.

OMIT

ISOLA

TION

Omits

correction

for

isolation

from

the

calibration

when

not

required.

FWD

.ISOL'N ISOL'N

STD

Measures

isolation

and then

the softkey

label is

underlined.

REV

.ISOL'N

ISOL'N STD

Measures

isolation

and

then the

softkey label

is underlined.

ISOLATION DONE Completes isolation calibration.

The error coecients are calculated and stored. One-path 2-port

menu is displayed, with the

??????????

???????????

ISOLATION softkey underlined. If this key is pressed without

measuring all

the required standards

, the message CA

UTION:ADDITIONAL ST

ANDARDS NEEDED

is displayed.

?????????????????????????

????????????

DONE: 2-PORT CAL Completes the one-path

2-port calibration. The error coecients are computed and stored. The

correction menu is displayed with

?????????

????????????????????????

CORRECTION ON , and the notation C2 is displayed

at the left

of the screen. If this key is pressed without

measuring all the required standards

, the message

CAUTION:ADDITIONAL ST

ANDARDS NEEDED is displayed.

Softkey Reference B-19

Agilent Technologies 4395A - Page 467

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