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State Variable



Description

The State Variable filter can generate three types of filters: low pass, high pass, and bandpass. The low pass and high pass outputs are inverted in phase while the bandpass maintains the phase. It allows to access the three filters simultaneously

Variants

  1. State Variables
  2. State Variable (Q input)
  3. State Variable (Q and F input)


Targets Supported

NameADSP-214xx(Sample)ADSP-214xx(Block)ADSP-215xx/ADSP-SC5xx(Sample)ADSP-215xx/ADSP-SC5xx(Block)
State Variables Yes YesYes Yes
State Variable (Q input) Yes YesYes Yes
State Variable (Q and F input) Yes YesYes Yes


Pins

Input

NameTypeDescription
InputAudioInput Channel 0

Output

NameTypeDescription
LowPass_OutputAudioOutput channel 0
HighPass_OutputAudioOutput channel 1
BandPass_OutputAudioOutput channel 2


Configurable Parameters

GUI Parameter NameDefault ValueRangeFunction Description
Frequency730 to 19148 HzCut-off frequency
OneOverQ0.710.5 to 10Q factor of the filter


DSP Parameters

Parameter NameDescriptionADSP-214xx/SC5xx/215xx
FrequencyCut-off frequencyFloat
OneOverQQ factor of the filterFloat
/srv/wiki.analog.com/data/pages/resources/tools-software/sigmastudiov2/modules/filters/statevariable.txt · Last modified: 13 May 2021 13:28 by Sreesha Y M