SCPI.CALCulate(Ch).SELected.ZPARameter.DEFine

Object Type

Property (Read-Write)

Syntax

SCPI.CALCulate(Ch).SELected.ZPARameter.DEFine = Param

Param = SCPI.CALCulate(Ch).SELected.ZPARameter.DEFine

Description

This command sets/gets the impedance measurement parameter of the selected trace (Tr), for the selected channel (Ch).

Variable

Examples

This example shows to set the impedance measurement parameter for Trace 1 of Channel 1.

S-Parameter measurement port

For |Z|

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Z"
SCPI.CALCulate(1).SELected.FORMat = "MLINear"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = chr$(217) ' Greek symbol of Ohm

• To set the impedance parameters for more than two traces, set the number of traces with SCPI.CALCulate.PARameter.COUNt and repeat the above procedure by changing the trace number Tr of PARameter(Tr) and TRACe(Tr).

For qZ

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Z"
SCPI.CALCulate(1).SELected.FORMat = "PHASe"

For |Y|

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "MLINear"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "S"

For qy

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "PHASe"

For R

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine =  "Z"
SCPI.CALCulate(1).SELected.FORMat = "REAL"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = chr$(217) ' Greek symbol of Ohm

For X

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine =  "Z"
SCPI.CALCulate(1).SELected.FORMat = "IMAG"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = chr$(217) ' Greek symbol of Ohm

For G

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe.Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "REAL"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "S"

For B

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter*(1).DEFine = "S11"
SCPI.SENSe.Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "IMAG"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "S"

For Cp, Cs, Lp, Ls, Rp, Rs, D, Q

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "S11"
SCPI.SENSe(1).Z.METHod = "P1Reflection" ' (or "P2Reflection", "TSERies", "TSHunt")
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "CP" ' (or "CS", "LP", "LS", "RP, "RS" ,"D", "Q")
SCPI.CALCulate(1).SELected.FORMat = "REAL"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "F" ' (for CP, CS), "H" (for LP, LS), chr$(217) (for RP, RS), or "" (for D, Q)

Gain-Phase measurement port

For |Z|

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" '  (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Z"
SCPI.CALCulate(1).SELected.FORMat = "MLINear"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = chr$(217)  ' Greek symbol of Ohm

For qZ

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" '  (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Z"
SCPI.CALCulate(1).SELected.FORMat = "PHASe"

For |Y|

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "MLINear"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "S"

For qy

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "PHASe"

For R

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine =  "Z"
SCPI.CALCulate(1).SELected.FORMat = "REAL"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = chr$(217) ' Greek symbol of Ohm

For X

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine =  "Z"
SCPI.CALCulate(1).SELected.FORMat = "IMAG"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = chr$(217) ' Greek symbol of Ohm

For G

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies"" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "REAL"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "S"

For B

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies"" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "Y"
SCPI.CALCulate(1).SELected.FORMat = "IMAG"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "S"

For Cp, Cs, Lp, Ls, Rp, Rs, D, Q

SCPI.CALCulate(1).PARameter(1).SELect
SCPI.CALCulate(1).PARameter(1).DEFine = "TR"
SCPI.SENSe(1).Z.METHod = "GSERies" ' (or "GSHunt")
SCPI.INPut.IMPedance.GPPort.R = 1000000#  (or 50 for “GSHunt” mode)
SCPI.INPut.IMPedance.GPPort.T = 50
SCPI.CALCulate(1).PARameter(1).DEFine = "Z"
SCPI.CALCulate(1).SELected.ZPARameter.DEFine = "CP" ' (or "CS", "LP", "LS", "RP, "RS" ,"D", "Q"
SCPI.CALCulate(1).SELected.FORMat = "REAL"
SCPI.DISPlay.WINDow(1).TRACe(1).Y.SCALe.ABSolute.UNIT = "F" ' (for CP, CS), "H" (for LP, LS), chr$(217) (for RP, RS), or "" (for D, Q)

1. • The stop frequency must be set to below 30 MHz before executing the command of SCPI.CALCulate(1).PARameter(1).DEFine = "TR".

Related Objects

SCPI.CALCulate(Ch).PARameter(Tr).DEFine

SCPI.SENSe(Ch).Z.METHod

SCPI.CALCulate(Ch).PARameter(Tr).SELect

SCPI.CALCulate(Ch).SELected.FORMat

SCPI.DISPlay.WINDow(Ch).TRACe(Tr).Y.SCALe.ABSolute.UNIT

SCPI.INPut.IMPedance.GPPort.R

SCPI.INPut.IMPedance.GPPort.T

Equivalent Key

Meas > Impedance Analysis Menu > |Z| or

Meas > Impedance Analysis Menu > |Y| or

Meas > Impedance Analysis Menu > Cp or

Meas > Impedance Analysis Menu > Cs or

Meas > Impedance Analysis Menu > Lp or

Meas > Impedance Analysis Menu > Ls or

Meas > Impedance Analysis Menu > Rp or

Meas > Impedance Analysis Menu > Rs or

Meas > Impedance Analysis Menu > D or

Meas > Impedance Analysis Menu > Q

Equivalent SCPI Command

Syntax

:CALCulate{[1]-4}[:SELected]:ZPARameter:DEFine <string>

:CALCulate{[1]-4}[:SELected]:ZPARameter:DEFine?

Query Response

<string><newline><^END>

Example of use

Refer to Example for COM