# :CHANnel:FILTer:CFRequency

:CHANnel FILTer Commands

- :CHANnel FILTer Commands
- :CHANnel:FILTer:ACQuisition:BANDwidth
- :CHANnel:FILTer:ACQuisition:MODE
- :CHANnel:FILTer:BANDwidth
- :CHANnel:FILTer:CFRequency
- :CHANnel:FILTer:SPAN?
- :CHANnel:FILTer:TYPE

## Command Syntax

    :CHANnelN:FILTer:CFRequency <center_frequency>

Where N identifies a specific channel in the form "<connection1-8>_<ch1-8>". With connection 1, the connection number part (that is, "1_") is optional, and you can simply use the channel number "<ch1-8>". For example, connection 4 channel 2 is `CHANnel4_2`.

<center_frequency> is a double.

## Query Syntax

    :CHANnelN:FILTer:CFRequency?

## Description

When the `BANDpass` channel filter type is selected (see `:CHANnel:FILTer:TYPE`), this command specifies the center frequency of the channel's bandpass filter.