:INPut:IMPedance:T
Description
This command gets or sets the input impedance of channel 2. This command is equivalent to :INPut:IMPedance:CH2.
| Syntax | Parameter |
|---|---|
:INPut<ch>:IMPedance<tr>:T |
{ 50[Ohm] | 1e6[Ohm] } |
| Parameters | accepted format | allowed suffixes | possible Errors | description |
|---|---|---|---|---|
<ch> |
{ 1 | empty } |
none |
Invalid channel index |
Currently only one channel is supported. Empty means 1 is used as default. |
<tr> |
{ 1 | empty } |
none |
Invalid trace index |
Currently only one trace is supported. Empty means 1 is used as default. |
{ 50[Ohm] | 1e6[Ohm] } |
numeric value (either 50 or 1MA) |
Ohm |
Settings conflict |
The termination impedance. |
Warning
Only in certain measurement modes certain impedance values can be changed. See Allowed Changes for further details.
Allowed Changes
| measurement type | CH1 |
CH2 |
|---|---|---|
GainPhase |
yes |
yes |
S11 |
no |
yes |
S21 |
no |
yes |
Z - P1Reflection |
no |
no |
Z - TSERies |
no |
yes |
Z - TSHunt |
no |
yes |
Presets
For presets please refer to Measurement Modes.
Sample usage
Set the impedance of channel 2 to 1MOhm in GainPhase measurement.
var visaSession = new TcpipSocket(VISA_RESOURCENAME); visaSession.RawIO.Write(":CALC:PAR:DEF GAIN\n"); visaSession.RawIO.Write(":INP:IMP:T 1e6\n");
Related commands
Related commands in the Automation Interface
ExternalProbeChannel2 (Gain)
TerminationChannel2 (S11)
TerminationChannel2 (S21)
@OmicronLab.VectorNetworkAnalysis.AutomationInterface.Interfaces.Measurements.SeriesThruMeasurement.TerminationChannel2 (SeriesThru)
@OmicronLab.VectorNetworkAnalysis.AutomationInterface.Interfaces.Measurements.ShuntThruMeasurement.TerminationChannel2 (ShuntThru)