The Analyzer supports several methods of one-port and two-port calibration. The calibration methods vary by quantity and type of the standards being used, by type of error correction, and accuracy. The table below presents an overview of calibration methods.
Calibration Method |
Parameters |
Standards |
Errors |
Accuracy |
|---|---|---|---|---|
Sii 1 |
SHORT or OPEN |
Er1 |
Low |
|
Sii 1 |
•SHORT or OPEN •LOAD |
Er1, Ed13 |
Low |
|
Sii 1 |
•SHORT •OPEN •LOAD |
Er1, Ed1, Es1 |
High |
|
Scalar Transmission Normalization (RNVNA only) |
|Sji| 2 or |Sij| 2 |
THRU |
Et1 or Et2 |
Low |
One-Path Two-Port Calibration with Scalar Thru (RNVNA only) |
Sii, |Sji| 2 or Sjj, |Sij| 2 |
•SHORT •OPEN •LOAD •THRU |
Er1, Ed1, Es1, Et1 4 or Er2, Ed2, Es2, Et2 4 |
High for Sii and Sjj Medium for |Sji| and |Sij| |
Full Two-Port Calibration with Scalar Thru (RNVNA only) |
Sii |Sji| |Sij|, Sjj 2 |
•SHORT •OPEN •LOAD •THRU |
Er1, Ed1, Es1, Et1, El1 4 Er2, Ed2, Es2, Et2, El2 4 |
High for Sii and Sjj Medium for |Sji| and |Sij| |
1Index i take a value 1 for 1-port VNA, i take a value from 1 to 16 for RNVNA. 2Indexes i ≠ j; i and j take a value from 1 to 16. 3If optional directivity calibration is performed. 4If optional isolation calibration is performed. 5RNVNA Analyzer Eх error is negligible compared to others and is not used in calculations. |
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