\begin{circuit}1

% Amplificador
\ov1 {$K$} - {} {} {}

%capacitor 3
\atpin ov1+
\- 2 l
\.1
\- 2 l
\cc\nl \C1 {$C_3$} l
\- 2 l \P1

% Cables al resistor a tierra
\atpin .1
\- 2 d \P2

%resistor 4
\nl \cc \spring1 {$R_4$} d
\- 6 d \P3

% Cables al resistor1
\atpin P1 \.2
\- 1 l

% resistor1
\cc\nl \spring2 {$R_1$} l

%Conectores
\- 1 l \P4
\connection1 {$V_I(s)$} c l

% Cables al capacitor5
\atpin .2
\- 2 d

% capacitor5
\cc\nl \C2 {$C_5$} d
\vtopin P3

%Resistor 2
\atpin .2
\- 3 u
\- 6 r
\nl \cc \spring3 {$R_2$} r
\htopin ov1O
\vtopin ov1O


% Salida
\atpin ov1O
\.3

\atpin .3 \- 1 r
\connection2 {$V_O(s)$} c r

% K
\atpin ov1-
\- 2 d \.4
\- 4 r

\nl \spring1 {$R_{K1}$} r
\htopin ov1O
\vtopin ov1O

% Segundo resistor
\atpin .4
\cc\nl \spring2 {$R_{K2}$} d
\vtopin P3

% conectores
\htopin P4
\connection3 {} c l

\atpin P3
\htopin ov1O \- 1 r
\connection4 {} c r

% tierra
\atpin P3
\gnd1

\end{circuit}