:CHANnel:FSELect:BANDwidth
Flex Apps:
FlexDCA
FlexRT
Command Syntax
:CHANnelN:FSELect:BANDwidth <bandwidth_in_Hertz>
Where N identifies a specific channel and must be selected from {1:8}{A|B|C|D}. For example, CHANnel3C.
<bandwidth_in_Hertz> is a double.
Query Syntax
:CHANnelN:FSELect:BANDwidth?
Description
For optical channels, selects or queries the reference filter by 3 dB bandwidth. The channel will use the reference filter that is closest to the requested bandwidth. If the bandwidth is not within 1% of a supported reference filter bandwidth, an error will be generated. Use the :CHANnel:FILTer
- To select or query the maximum supported reference filter 3 dB bandwidth, use the
:CHANnel:FSELect:BANDwidth:MAXimumcommand. - To select or query the minimum supported reference filter 3 dB bandwidth, use the
:CHANnel:FSELect:BANDwidth:MINimumcommand. - To query the list of available 3 dB bandwidths, use the
:CHANnel:FSELect:BANDwidth:VSET?query. - Although not the preferred method, you can select a reference filter by list order in the Reference Filter field of the channel Setup dialog, use the
:CHANnel:FSELectcommand.
The query form of the command returns the current reference filter's 3 dB bandwidth. For example, 9.953 Gb/s would be returned as: 7.46496E09.
Requires FlexDCA revision A.05.41 and above.