Chapter 4 147
Calibration
4-port TRL calibration
4. Calibration
Step 9. Press Done to finish TRL 4-port calibration. At this point, the calibration coefficient is
calculated and saved. The error correction function is automatically turned on.
2-4 Fwd (S42) Executes line/match calibration for test ports 2 and 4.Use this to perform
forward-direction measurement only.
2-4 Rvs (S24) Executes line/match calibration for test ports 2 and 4.Use this to perform
reverse-direction measurement only.
3-4 Line/Match Executes line/match calibration for test ports 3 and 4. Use this to perform
forward-direction measurement and reverse-direction measurement at the
same time.
3-4 Fwd (S43) Executes line/match calibration for test ports 3 and 4. Use this to perform
forward-direction measurement only.
3-4 Rvs (S34) Executes line/match calibration for test ports 3 and 4. Use this to perform
reverse-direction measurement only.
*1.This is equivalent to measuring 1-2 Fwd (S21) and 1-2 Rvs (S12).
*2.Measuring 1-2 Fwd (S21) and 1-2 Rvs (S12) is equivalent to measuring 1-2 Line/Match.
Softkey Function
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