Description
This command gets or sets the gain (probe factor) of channel 2.
| Syntax |
Parameter |
:INPut<ch>:GAIN<tr>:CH2 |
<numeric> |
| 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. |
<numeric> |
numeric value |
none |
Settings conflict |
The gain as linear value. |
| Syntax |
Response |
:INPut<ch>:GAIN<tr>:CH2? |
<numeric> |
| Parameters |
accepted format |
description |
<ch> |
{ 1 | empty } |
Currently only one channel is supported. Empty means 1 is used as default. |
<tr> |
{ 1 | empty } |
Currently only one trace is supported. Empty means 1 is used as default. |
| Response value |
description |
<numeric> |
the attenuation value |
Warning
Only in certain measurement modes certain gain values can be changed. See Allowed Changes for further details.
Allowed Changes
| measurement type |
CH1 |
CH2 |
GainPhase |
yes |
yes |
S11 |
no |
no |
S21 |
no |
yes |
Z - ECOupler |
yes |
yes |
Z - EBRidge |
yes |
yes |
Z - IADapter |
no |
no |
Z - P1Reflection |
no |
no |
Z - TSERies |
no |
no |
Z - TSHunt |
no |
no |
Z - VCGain |
yes |
yes |
Presets
For presets please refer to Measurement Modes and Default Settings.
Sample usage
Set the gain of channel 2 to 5 in GainPhase measurement.
var visaSession = new TcpipSocket(VISA_RESOURCENAME);
visaSession.RawIO.Write(":CALC:PAR:DEF GainPhase\n");
visaSession.RawIO.Write(":INP:GAIN:CH2 5\n");
visaSession.write(':CALC:PAR:DEF GainPhase\n')
visaSession.write(':INP:GAIN:CH2 5\n')
:INPut:GAIN:CH1