# :FUNCtion:PARameters:BUTTerworth:BANDwidth

Butterworth Parameters Commands

- :FUNCtion:PARameters:BUTTerworth:BANDwidth
- :FUNCtion:PARameters:BUTTerworth:IMPulse
- :FUNCtion:PARameters:BUTTerworth:ORDer
- :FUNCtion:PARameters:BUTTerworth:STEP
- :FUNCtion:PARameters:BUTTerworth:TFUNction

## Command Syntax

    :FUNCtionN:PARameters:BUTTerworth:BANDwidth <cutoff_frequency>

<cutoff_frequency> is a double.

Where N identifies one of up to 64 possible operators {1:64} that can be defined as part of a math function. The operators are numbered in the order that they were originally added to the function.

## Query Syntax

    :FUNCtionN:PARameters:BUTTerworth:BANDwidth?

## Description

Specifies the cutoff frequency in Hertz of a Butterworth filter operator (`:FUNCtion:FOPerator`).

## Example Command Sequence

    :FUNCtion2:FOPerator BUTTerworth
    :FUNCtion2:PARameters:BUTTerworth:BANDwidth 7.5E9
    :FUNCtion2:PARameters:BUTTerworth:ORDer 2
    :FUNCtion2:COLor TCOLor4
    :FUNCtion2:DISPlay ON
    *OPC?
    …  //  Your code to synchronize execution timing.