Elsőfokú szűrő (C,L,R)

C,f←L,R L = ←f,R ←C,R ←C,f R = ←f,L ←C,L ←C,f ☺ = \(C=\dfrac{L}{R^2}\) fv = \(f_v=\dfrac{R}{2\cdot \pi\cdot L}\) = =	C,L←f,R fv = ←L,R ←C,R ←C,L R = ←f,L ←C,L ←C,f ☺ = \(C=\dfrac{1}{2\cdot\pi\cdot f_v\cdot R}\) = \(L=\dfrac{R}{2\cdot\pi\cdot f_v}\) =
C,R←f,L fv = ←L,R ←C,R ←C,L L = ←f,R ←C,R ←C,f ☺ = \(C=\dfrac{1}{4\cdot \pi^2\cdot {f_v}^2\cdot L}\) = = \(R=2\cdot\pi\cdot f_v\cdot L\)	f,L←C,R C = ←L,R ←f,R ←f,L R = ←f,L ←C,L ←C,f ☺ = fv = \(f_v=\dfrac{1}{2\cdot\pi\cdot C\cdot R}\) = \(L=C\cdot R^2\) =
f,R←C,L C = ←L,R ←f,R ←f,L L = ←f,R ←C,R ←C,F ☺ = fv = \(f_v=\dfrac{1}{2\cdot\pi\cdot\sqrt{C\cdot L}}\) = = \(R=\sqrt{\dfrac{L}{C}}\)	L,R←C,f C = ←L,R ←f,R ←f,L fv = ←L,R ←C,R ←C,L ☺ = = \(L=\dfrac{1}{4\cdot\pi^2\cdot C\cdot{f_v}^2}\) = \(R=\dfrac{1}{2\cdot\pi\cdot C\cdot f_v}\)