Network Analyzers using S4VNA software

Reflection Normalization

S11

or

S22

•SHORT or OPEN

•LOAD
(if optional directivity is performed)

Er1, Ed11

or

Er2, Ed21

Low

Transmission Normalization

S21

or

S12

•THRU

•2 LOADs
(if optional isolation calibration is performed)

Et1, Ex12

or

Et2, Ex22

Low

Full One-Port Calibration

S11

or

S22

•SHORT

•OPEN

•LOAD

Er1, Ed1, Es1

or

Er2, Ed2, Es1

High

One-Path Two-Port Calibration

S11, S21

or

S12, S22

•SHORT

•OPEN

•LOAD

•THRU

•2 LOADs
(if optional isolation calibration is performed)

Er1, Ed1, Es1, Et1, Ex12

or

Er2, Ed2, Es2, Et2, Ex22

Medium

Full Two-Port Calibration

S11, S21

S12, S22

•SHORT

•OPEN

•LOAD

•THRU

•2 LOADs
(if optional isolation calibration is performed)

Er1, Ed1, Es1, Et1, El1, Ex12

Er2, Ed2, Es2, Et2, El2, Ex22

High

Full Three-Port Calibration

S11, S21, S31

S12, S22, S32

S13, S23, S33

•SHORT

•OPEN

•LOAD

•THRU

•2 LOADs
(if optional isolation calibration is performed)

Twenty seven error terms (See table)

High

Full Four-Port Calibration

S11, S21, S31, S41

S12, S22, S32, S42

S13, S23, S33, S43

S14, S24, S34, S44

•SHORT

•OPEN

•LOAD

•THRU

•2 LOADs
(if optional isolation calibration is performed)

Forty eight error terms (See table)

High

Two-Port TRL Calibration

S11, S21

S12, S22

•THRU or LINE

•REFLECT

•LINE or 2 LOADs

Er1, Ed1, Es1, Et1, El1

Er2, Ed2, Es2, Et2, El2

Very High

Three-Port TRL Calibration

S11, S21, S31

S12, S22, S32

S13, S23, S33

•THRU or LINE

• REFLECT

•LINE or 2 LOADs

The same as full free-port calibration except for isolation terms

Very High

Four-Port TRL Calibration

S11, S21, S31, S41

S12, S22, S32, S42

S13, S23, S33, S43

S14, S24, S34, S44

•THRU or LINE

• REFLECT

•LINE or 2 LOADs

The same as full four-port calibration except for isolation terms

Very High

1. If optional directivity calibration is performed.

2. If optional isolation calibration is performed.