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Sallen-Key Filter -- Op-amp Circuit Input Impedance

Sallen-Key Filter -- Op-amp Circuit Input Impedance PUBLIC

Shows how to calculate the input impedance of an op-amp circuit, in this case a Sallen-Key filter.

by mrobbins | updated May 15, 2012

active-filter   op-amp  

8kHz Rauch  layout 2nd order passband filter

8kHz Rauch layout 2nd order passband filter PUBLIC

Filtre passe bande du 2nd ordre (fo = 8 kHz, Q = 1.4142). Structure de Rauch simplifié.

by nliebeaux | updated April 15, 2012

active-filter   bandpass   iutcachan   rauch  

State_Variable_2

State_Variable_2 PUBLIC

Three amplifier SV filter provides Highpass, Bandpass, and Lowpass outputs; a fourth amp is shown implementing a notch filter.

by CarlSawtell | updated March 09, 2012

active-filter  

State_Variable_Filter

State_Variable_Filter PUBLIC

This 4 amplifier variant on SV filter allows all amps to be inverting. Provides Lowpass, Highpass and both inverted and non-inverted Bandpass outputs.

by CarlSawtell | updated March 09, 2012

active-filter  

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