Agilent Technologies 4395A

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Front

anel

Description

Cal

Continued

NA Cal

CALIBRATE:NONE This softkey

is underlined

if no

calibration has

been performed

or if

the

calibration

data

has

been

cleared. Unless

a calibration

is saved

on the

internal disk,

the

calibration

data

lost

when

Preset

pressed,

power

cycled

and

o,

if an

instrument state

is recalled.

RESPONSE Displays

the

frequency

response

calibration.

This

the

simplest

and

fastest

accuracy

enhancement procedure

However

should

only

used

when

extreme

accuracy

not

required.

eectively

removes

the

frequency

response

errors

the

test

setup

for

reection

transmission

measurements.

SHORT Measures

SHORT

standard

3.5

cal

kit

for

the

response

calibration.

OPEN Measures

OPEN

standard

mm or

3.5 mm

cal kit

for the

response

calibration.

THRU Measures

THRU standard

of 7

mm or

3.5

cal

kit

for

the

response

calibration.

DONE:

RESPONSE

Completes

the

response

calibration

and

computes

and

stores

the

error

coecients

The

correction

displayed

with

CORRECTION

RESPONSE

& ISOL'N

Displays

the menus

used to

perform

response

and

isolation

measurement

calibration

(used

measure

devices with

wide

dynamic

range).

This

procedure

eectively

reduces

the

same

errors

the

response calibration.

In addition,

eectively

reduces

the

isolation

(crosstalk)

error

transmission

measurements or

the

directivity

error

reection

measurements

addition

the

devices

required

for a

simple

response

calibration,

isolation

standard

required.

The

standard

normally

used

correct

for

isolation is

impedance-matched

(usually

)

standard.

Response

and

directivity

calibration

procedures

for

reection

and transmission

measurements

are

provided

the \P

erforming a

Response \&

Isolation

Calibration

Chapter

RESPONSE Displays

the

response

standard

that

measures

the

standard

for

response

calibration.

ISOL'N

STD

Displays

the

that

performs

isolation

measurement

calibration.

DONE

RESP

ISOL'N

CAL

Completes

the

response

and

isolation

calibration

and

computes and

stores the

error

coecients

The

correction

displayed

with

CORRECTION

S11

1-PORT

Provides

measurement

calibration

for

reection-only

measurements

one-port

devices

properly

terminated

two-port

devices

port

S-parameter

test

set

the

test

port

transmission/reection

test

kit.

This

procedure

eectively

reduces

the

directivity

source

match,

and

frequency

response

errors

the

test

setup

provides

higher

level

measurement

accuracy

than

the

response

and

isolation

calibration.

the

most

accurate

calibration

procedure

for

reection-only

measurements

Three

standard

devices

are

required:

SHORT

OPEN,

and

impedance-matched

The

procedure

for

performing

one-port

calibration

described

the

erforming

S11

1-P

ort

Calibration

Chapter

(S11):

OPEN

When

the

cal

kit

3.5

cal

kit,

this

softkey

measures the

OPEN standard

and

then

the

softkey

label

underlined.

this

softkey

displays

the

open

standard

that

selects

OPEN

standard

and

measures

the

standard

when

the

cal

kit



or 75

 type-N.

SHORT When the

cal kit

3.5

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



 type-N.

LOAD When the

cal kit

is a

3.5

cal

kit,

this

softkey

measures

the

standard

and

then

the softkey

label is

underlined.

this

softkey

displays

the

load

standard

that

selects

LOAD

standard and

measures the

standard when

the cal

kit



type-N.

DONE:

1-PORT

CAL

Completes

the

1-port

calibration.

The

error

coecients

are

computed and

stored.

The

correction

menu is displayed with

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

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

CORRECTION ON . If this key is pressed without measuring all the

required standards

, the message CA

UTION:ADDITIONAL ST

ANDARDS NEEDED is displayed.

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

??????????

S22 1-PORT This softkey is similar to

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

??????????

S11 1-PORT . It is used for reection-only measurements of one-port

devices or properly terminated two-port devices in the reverse direction (that is

for devices

connected to port 2 of

the S-parameter test set).

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

(S22): OPEN When the cal kit is a 7 mm or 3.5 mm cal kit, this softkey measures the OPEN standard and then

the softkey label is underlined. Or

, this

softkey displays the

open standard

that selects an

OPEN standard and measures the standard when the cal kit is 50  or 75  type-N.

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

SHORT When the cal kit is a 7 mm or 3.5 mm cal kit, this softkey

measures the SHORT standard and then

the softkey label is underlined. Or, this softkey displays the

short standard menu

that selects a

SHORT standard and measures the standard when the cal kit is 50  or 75  type-N.

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

LOAD When the cal kit is a 7 mm or 3.5 mm cal kit, this softkey measures the LOAD standard and then

the softkey label is underlined. Or, the softkey displays the

load standard menu

that selects a

LOAD standard and measures the standard when the cal kit is 50  or 75  type-N.

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

DONE: 1-PORT CAL Completes the 1-port calibration. The error coecients are computed and stored. The correction

menu is displayed with

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

CORRECTION ON . If this key is pressed without measuring all the

required standards, the message CAUTION:ADDITIONAL STANDARDS NEEDED is displayed.

Softkey Reference B-17

Agilent Technologies 4395A - Page 465

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