# Full Wave Rectification – Diode Bridge

\documentclass[border=3pt]{standalone}

% Circuits
\usepackage[european,s traightvoltages, RPvoltages, americanresistor, americaninductors]{circuitikz}
\tikzset{every picture/.style={line width=0.2mm}}

% Notation
\usepackage{amsmath}

% Tikz Library
\usetikzlibrary{calc}

% Bipoles Specifications
\ctikzset{bipoles/thickness=1.2, label distance=1mm, voltage shift = 1}

% Arrows Above Compenents
% Source: https://tex.stackexchange.com/questions/574576/circuitikz-straight-voltage-arrows-with-fixed-length
\newcommand{\fixedvlen}[3][0.4cm]{% [semilength]{node}{label}
% get the center of the standard arrow
\coordinate (#2-Vcenter) at ($(#2-Vfrom)!0.5!(#2-Vto)$);
% draw an arrow of a fixed size around that center and on the same line
\draw[-{Triangle[round,open]}] ($(#2-Vcenter)!#1!(#2-Vfrom)$) -- ($(#2-Vcenter)!#1!(#2-Vto)$);
% position the label as it where if standard voltages were used
\node[ anchor=\ctikzgetanchor{#2}{Vlab}] at (#2-Vlab) {#3};
}
\newcommand{\fixedvlendashed}[3][0.75cm]{% [semilength]{node}{label}
% get the center of the standard arrow
\coordinate (#2-Vcenter) at ($(#2-Vfrom)!0.5!(#2-Vto)$);
% draw an arrow of a fixed size around that center and on the same line
\draw[dashed,-{Triangle[round,open]}] ($(#2-Vcenter)!#1!(#2-Vfrom)$) -- ($(#2-Vcenter)!#1!(#2-Vto)$);
% position the label as it where if standard voltages were used
\node[ anchor=\ctikzgetanchor{#2}{Vlab}] at (#2-Vlab) {#3};
}

% Kink Crossing
\tikzset{
declare function={% in case of CVS which switches the arguments of atan2
atan3(\a,\b)=ifthenelse(atan2(0,1)==90, atan2(\a,\b), atan2(\b,\a));
},
@kinky cross/.initial=+,
kinky crosses/.is choice,
kinky crosses/left/.style={@kinky cross=-},
kinky crosses/right/.style={@kinky cross=+},
kinky cross/.style args={(#1)--(#2)}{
to path={
let \p{@kc@}=($(\tikztotarget)-(\tikztostart)$),
\n{@kc@}={atan3(\p{@kc@})+180} in
-- ($(intersection of \tikztostart--{\tikztotarget} and #1--#2)!% \pgfkeysvalueof{/tikz/kinky cross radius}!(\tikztostart)$)
start angle=\n{@kc@},
delta angle=\pgfkeysvalueof{/tikz/@kinky cross}180 ]
-- (\tikztotarget)
}
}
}

\begin{document}
\begin{circuitikz}
%		%Grid
%		\def\length{8}
%		\draw[thin, dotted] (-\length,-\length) grid (\length,\length);
%		\foreach \i in {1,...,\length}
%		{
%			\node at (\i,-2ex) {\i};
%			\node at (-\i,-2ex) {-\i};
%		}
%		\foreach \i in {1,...,\length}
%		{
%			\node at (-2ex,\i) {\i};
%			\node at (-2ex,-\i) {-\i};
%		}
%		\node at (-2ex,-2ex) {0};

%Circuit
\coordinate (A) at (0,0);
\coordinate (P) at (5,0);
\def\x{6}
\ctikzset{transformer L1/.style={inductors/coils=4, inductors/width=1.6}}
\ctikzset{transformer L2/.style={inductors/coils=6, inductors/width=2.4}}

\draw
(0,0) node[transformer core] (T) {}
(T.A1) -- ++(-0.8,0) coordinate (P') to[sV, v_<, name=v_in] (P' |- T.A2) -- (T.A2);

\coordinate (up) at (P |- T.B1);
\coordinate (UP) at ($(up)-(0,0.5)$);
\coordinate (down) at (P |- T.B2);
\coordinate (DOWN) at ($(down)+(0,0.5)$);
\coordinate (right) at ($(P)+(2,0)$);
\coordinate (left) at ($(P)-(2,0)$);
\coordinate (P1) at ($(left)-(1,3.5)$);
\coordinate (P2) at ($(left)-(1,0)$);

\draw
(T.B1) to[short, i^>=$i_+$] (up) -- (UP)
to[full diode, *-*, l_=$D_1$, name=d1, v^<] (right)
(T.B2) to[short, i_>=$i_-$] (down) -- (DOWN)
to[diode, *-*, l=$D_2$, name=d2, v_<] (right)
(left) to [full diode, *-*, l^=$D_3$, name=d3, v_<] (DOWN)
(left) to[diode, *-*, l_=$D_4$, name=d4, v^<] (UP)
(right) to[short, *-*, i^>=$i_r$] ++(3,0)
to[R, *-*, l_=$R$, v^<, name=vr1] ++(0,-3.5) node[ground] {} -- (P1)
to[kinky cross=(down)--(T.B2), kinky crosses=left] (P2) -- (left);

%Voltages
\fixedvlen[0.4cm]{d1}{$V_{D_1}$}
\fixedvlendashed[0.4cm]{d2}{$V_{D_2}$}
\fixedvlen[0.4cm]{d3}{$V_{D_3}$}
\fixedvlendashed[0.4cm]{d4}{$V_{D_4}$}
\fixedvlen[0.4cm]{v_in}{$v_\text{in}$}
\fixedvlen[0.4cm]{vr1}{$v_{R}$}
\draw[-{Triangle[round,open]}] ($(T.B2)+(0,+1)$) -- ($(T.B1)-(0,1)$);
\draw[dashed, {Triangle[round,open]}-] ($(T.B2)+(0.4,+1)$) -- ($(T.B1)+(0.4,-1)$);

%Nodes
\node[above left] at (left) {$-$};
\node[above right] at (right) {$+$};
\end{circuitikz}
\end{document}