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Other calibrations

Besides using a Test Set Cal, individual instrument

states and their corresponding calibrations can be

saved and recalled for use with specific measure-

ment paths. For example, to improve measurement

throughput, one signal path could be tested using a

response calibration, while all other paths are tested

with a Test Set Cal using two-port calibration.

Note: the SelfCal feature is only supported with

Test Set Cals.

A variety of calibration types are available and

described below:

ES models only

• Two-port calibration

Compensates for frequency response, source

and load match, and directivity errors while

making S-parameter measurements of transmis-

sion (S

, S

) and reflection (S

, S

Compensates for transmission crosstalk when

the Isolation on OFF softkey is toggled to ON.

Requires short, open, load, and through stan-

dards.

ET and ES models: transmission measurements

• Normalization

Provides simultaneous magnitude and phase

correction of transmission frequency-response

errors. Requires a through connection. Used for

both narrowband and broadband detection.

Does not support calibration interpolation.

• Response

Simultaneous magnitude and phase correction

of frequency response errors for transmission

measurements. Requires a through standard.

• Response and isolation

Compensates for frequency response and cross-

talk errors. Requires a load termination on both

test ports and a through standard.

• Enhanced response

Compensates for frequency response and source

match errors. Requires short, open, load, and

through standards.

ET and ES models: reflection measurements

• One-port calibration

Compensates for frequency response, directivity,

and source-match errors. Requires short, open,

and load standards.

Calibration kits

Data for several standard calibration kits are

stored in the instrument for use by the calibration

routines. They include:

• 3.5 mm (85033D)

• Type-N (85032B/E)

• 7 mm (85031B)

• 7-16 (85038A)

In addition, you can also describe the standards

for a user-defined calibration kit (for example,

open-circuit capacitance coefficients, offset-short

length, or through-standard loss).

For more information about calibration kits avail-

able from Agilent Technologies, consult the Agilent

87050E Configuration Guide, Agilent literature

number 5968-4765E.

Key network analyzer options

Step attenuator (Option 1E1)

Adds a built-in 60 dB step attenuator to transmis-

sion/reflection (ET) models to extend the output

power range to –60 dBm. The attenuator is stan-

dard in S-parameter (ES) models.

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