Sallen-Key Unity Gain Low Pass Filter - Transfer Function (R&C)

Last modified by

on

Jun 14, 2023, 4:46:37 PM

Created by

on

Feb 8, 2014, 11:10:05 PM

H (s) = \frac{{(\frac{1}{\sqrt{R_{1} R_{2} C_{1} C_{2}}})}^{2}}{s^{2} + 2 α s + {(\frac{1}{\sqrt{R_{1} R_{2} C_{1} C_{2}}})}^{2}}

$H(s) = (1/(sqrt( R_1 R_2 C_1 C_2 )))^2 / ( "s" ^2 + 2 alpha "s" + (1/(sqrt( R_1 R_2 C_1 C_2 )))^2)$

(R_{1}) Resistance 1

$(R_1)"Resistance 1"$

(R_{2}) Resistance 2

$(R_2)"Resistance 2"$

(C_{1}) Capacitance 1

$(C_1)"Capacitance 1"$

(C_{2}) Capacitance 2

$(C_2)"Capacitance 2"$

(α) Attenuation

$(alpha)"Attenuation"$

(s) Complex Angular Frequency

$(s)"Complex Angular Frequency"$

This equation, Sallen-Key Unity Gain Low Pass Filter - Transfer Function (R&C), references 1 page

• Undampened Natural Angular Frequency (

ω_{0}

$omega_0$ ) by MichaelBartmess

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SallenKeyUnityGainLowPassFilterTransferFunctionRC-illustration.png

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