Agilent Technologies Infiniium 90000 Q-Series, Programmer'S Manual

Page: 203 / 1186

Channel Commands
12
Agilent Infiniium 90000 Series Oscilloscopes Programmer's Reference 203
:CHANnel<N>:ISIM:BANDwidth
Command
:CHANnel<N>:ISIM:BANDwidth <bw_value>
The :CHANnel<N>:ISIM:BANDwidth command sets the Bandwidth Limit
field in the InfiniiSim GUI to a desired value (sets the bandwidth limit
cutoff frequency). The CHANnel<N>:ISIM:BWLimit command turns this
feature on or off. Please refer to the InfiniiSim User's Guide on your
oscilloscope or on Agilent.com for more explanation regarding this field.
<N>
An integer, 1- 4.
<bw_value> The maximum value is the sample rate / 2. The minimum value is 1000
Hz.
Example This example sets the channel 1 input bandwidth limit cutoff frequency to
2 GHz.
myScope.WriteString ":CHANNEL1:ISIM:BANDwidth 2e9"
Query
:CHANnel<N>:ISIM:BANDwidth?
The :CHANnel<N>:ISIM:BANDwidth? query returns the selected channel
input's bandwidth limit cutoff frequency.
Returned Format
[CHANnel<N>:ISIM:BANDwidth] <parameter><NL>
Example
This example puts the current input for channel 1 in the string variable,
varBwLimit. The program then prints the contents of the variable to the
computer's screen.
myScope.WriteString ":SYSTem:HEADer OFF"
myScope.WriteString ":CHANNEL1:ISIM:BANDwidth?"
varBwLimit = myScope.ReadNumber
Debug.Print FormatNumber(varBwLimit, 0)
N O T E
This CHANnel command only applies if you have purchased the InfiniiSim software
application.
N O T E
You can specify differential and/or common mode channels using the following convention.
If you have differential or common mode channels enabled (using either the
:CHANnel<N>:DIFFerential or :CHANnel<N>:COMMonmode commands) then:
•
:CHANnel1 would refer to the Channel 1 - Channel 3 differential channel
•
:CHANnel2 would refer to the Channel 2 - Channel 4 differential channel
•
:CHANnel3 would refer to the Channel 1 + Channel 3 common mode channel
•
:CHANnel4 would refer to the Channel 2 + Channel 4 common mode channel