Moving circuits

Question

im trying to fit circuits in a documents but the coordinates are not working well.

Here is the cricuits that I'm trying to organize:

I would like to move the circuits to the left, here is the code:

\documentclass{article}
\usepackage[utf8]{inputenc} 
\usepackage{tikz}  
\usepackage{mathtools}  
\usepackage[american]{circuitikz} 
\usepackage{enumitem}
\usetikzlibrary{shapes,arrows}  
\renewcommand*\contentsname{Contenido} 
\begin{document} 


\begin{circuitikz}   

%Primer circuito
\draw (-6,-1.5) 
to [V, v=$V_i$,invert] (-6,3)
to [short] (-3,3)  
to [diode] (-3,1)   
(-3,3) to [short] (0,3) 
to [battery, label = 1V] (0,1)  
(-3,1) to [R=$1k\Omega $,v = $V_o$] (0,1)  
(0,1) to [R=$2k\Omega$] (0,-1.5) 
(-3,1) to [R=$2k\Omega$] (-3,-1.5) 
(-6,-1.5) to [short] (-3,-1.5) 
(-3,-1.5) to [short] (0,-1.5) 
(-3,-1.5) -- (-3,-1.7) node[ground]{}
; 

%Segundo circuito 

\draw (4,-1.5) 
to [V, v=$V_i$,invert] (4,3) 
to [short] (7,3)  
to [diode] (7,1)   
(7,3) to [short] (10,3) 
to [R=$1k\Omega$] (10,1)  
(7,1) to [diode] (10,1)  
(10,1) to [R=$2k\Omega$, v] (10,-1.5) 
(7,1) to [R=$2k\Omega$] (7,-1.5) 
(4,-1.5) to [short] (7,-1.5) 
(7,-1.5) to [short] (10,-1.5) 
(7,-1.5) -- (7,-1.7) node[ground]{}

;

\end{circuitikz} 
\end{document}

I would like to look more like this doc:

Appreciate the help!

Answer 1

I understand, that you like to have two circuit schemes in parallel:

(red lines indicate text area borders)

This is simple to obtain with use relative coordinates in circuits drawing. In such approach you only need to determine starting point, from where you draw your circuits. I the following schemes is also used siunitx notation for units:

\documentclass{article}
\usepackage{geometry}
\usepackage[siunitx, american]{circuitikz}
\usetikzlibrary{arrows, shapes}

%---------------- show page layout. don't use in a real document!
\usepackage{showframe}
\renewcommand\ShowFrameLinethickness{0.15pt}
\renewcommand*\ShowFrameColor{\color{red}}
%---------------------------------------------------------------%

\begin{document}
\begin{center}
    \begin{circuitikz}
%Primer circuito
\draw   (0,0)   coordinate (A)
                to [V=$V_i$,invert] ++ (0, 6)
                to [short]          ++ (2, 0) coordinate (aux1)
                to [diode]          ++ (0,-3) coordinate (aux2)
                to [R=2<\kilo\ohm>]      ++ (0,-3) node[ground]{}
                to [short]  (A)
        (aux1)  to [short]          ++ (2,0)
                to [battery,l=1<\volt>] ++ (0,-3)
                to [R=2<\kilo\ohm>] ++ (0,-3)
                to [short]          ++ (-2,0)
        (aux2)  to [R=1<\kilo\ohm>,v=$V_0$] ++ (2,0)
        ;

%Segundo circuito
\draw   (A) ++ (8,0) coordinate (B) % here is determined starting point of the second circuit
                to [V=$V_i$,invert] ++ (0, 6)
                to [short]          ++ (2, 0) coordinate (aux1)
                to [diode]          ++ (0,-3) coordinate (aux2)
                to [R=2<\kilo\ohm>]      ++ (0,-3) node[ground]{}
                to [short]  (B)
        (aux1)  to [short]          ++ (2,0)
                to [R=1<\kilo\ohm>] ++ (0,-3)
                to [R=2<\kilo\ohm>, v=$V_o$] ++ (0,-3)
                to [short]          ++ (-2,0)
        (aux2)  to [diode] ++ (2,0)
        ;
    \end{circuitikz}
\end{center}
\end{document}

EDIT: Added missing elements of labels in the first example, and added new example, where lines connections are marked with dots.

\documentclass{article}
\usepackage{geometry}
\usepackage[siunitx, american]{circuitikz}
\usetikzlibrary{arrows, shapes}

\begin{document}
\begin{center}
    \begin{circuitikz}
%Primer circuito
\draw   (0,0)   coordinate (A)
                to [V=$V_i$,invert] ++ (0, 6)
                to [short,-*]       ++ (2, 0) coordinate (aux1)
                to [diode,-*]       ++ (0,-3) coordinate (aux2)
                to [R=2<\kilo\ohm>,-*]      ++ (0,-3) node[ground]{}
                to [short]  (A)
        (aux1)  to [short]          ++ (2,0)
                to [battery,l=1<\volt>,-*] ++ (0,-3)
                to [R=2<\kilo\ohm>] ++ (0,-3)
                to [short]          ++ (-2,0)
        (aux2)  to [R=1<\kilo\ohm>,v=$V_0$] ++ (2,0)
        ;

%Segundo circuito
\draw   (A) ++ (8,0) coordinate (B) % here is determined starting point of the second circuit
                to [V=$V_i$,invert] ++ (0, 6)
                to [short,-*]       ++ (2, 0) coordinate (aux1)
                to [diode,-*]       ++ (0,-3) coordinate (aux2)
                to [R=2<\kilo\ohm>,-*]      ++ (0,-3) node[ground]{}
                to [short]  (B)
        (aux1)  to [short]          ++ (2,0)
                to [R=1<\kilo\ohm>] ++ (0,-3)
                to [R=2<\kilo\ohm>, v=$V_o$] ++ (0,-3)
                to [short]          ++ (-2,0)
        (aux2)  to [diode,-*] ++ (2,0)
        ;
    \end{circuitikz}
\end{center}
\end{document}

Edit 2 corrected disorder in example sequence: the second example is not nested in the first anymore.

Answer 2

In TikZ (and circuitikz is based on TikZ) you can move anything by saying

\begin{scope}[xshift=<some x shift>,xshift=<some x shift>]
 <contents>
\end{scope}

or

\begin{scope}[shift={(<delta x>,<delta y>)}]
 <contents>
\end{scope}

so

\documentclass{article}
\usepackage[utf8]{inputenc} 
\usepackage[american]{circuitikz} 
\usetikzlibrary{arrows}  
\begin{document} 
\begin{circuitikz}   

 %Primer circuito
 \draw (-6,-1.5) 
 to [V, v=$V_i$,invert] (-6,3)
 to [short] (-3,3)  
 to [diode] (-3,1)   
 (-3,3) to [short] (0,3) 
 to [battery, label = 1V] (0,1)  
 (-3,1) to [R=$1k\Omega $,v = $V_o$] (0,1)  
 (0,1) to [R=$2k\Omega$] (0,-1.5) 
 (-3,1) to [R=$2k\Omega$] (-3,-1.5) 
 (-6,-1.5) to [short] (-3,-1.5) 
 (-3,-1.5) to [short] (0,-1.5) 
 (-3,-1.5) -- (-3,-1.7) node[ground]{}
 ; 

 \begin{scope}[xshift=-10cm,yshift=-6cm]
 %Segundo circuito 

  \draw (4,-1.5) 
  to [V, v=$V_i$,invert] (4,3) 
  to [short] (7,3)  
  to [diode] (7,1)   
  (7,3) to [short] (10,3) 
  to [R=$1k\Omega$] (10,1)  
  (7,1) to [diode] (10,1)  
  (10,1) to [R=$2k\Omega$, v] (10,-1.5) 
  (7,1) to [R=$2k\Omega$] (7,-1.5) 
  (4,-1.5) to [short] (7,-1.5) 
  (7,-1.5) to [short] (10,-1.5) 
  (7,-1.5) -- (7,-1.7) node[ground]{}
  ;
 \end{scope}
\end{circuitikz} 
\end{document}

Please note that you could avoid much of this by changing your approach. I am not going to discuss all possible improvements. Rather, I will focus on the TikZ-specific ones and units. I also won't change the arrows library since you seem to be happy with what it gives you. However, I'd lie to advertise

1. relative positioning, and
2. siunitx.

With these the code becomes

\documentclass{article}
\usepackage[utf8]{inputenc} 
\usepackage[american]{circuitikz} 
\usepackage{siunitx}
\usetikzlibrary{arrows}  
\begin{document} 
\begin{circuitikz}   
 %Primer circuito
 \draw (-6,-1.5) 
 to [V, v=$V_i$,invert] ++ (0,4.5)
 to [short] ++ (3,0)  
 to [diode] ++ (0,-2)   
 ++ (0,2) to [short] ++(3,0) 
 to [battery, label =\SI{1}{\volt}] ++(0,-2)
 ++(-3,0) to [R=\SI{1}{\kilo\ohm},v = $V_o$] ++(3,0)
     to [R=\SI{2}{\kilo\ohm}] ++(0,-2.5) 
 ++(-3,2.5) to [R=\SI{2}{\kilo\ohm}] ++(0,-2.5) 
 ++(-3,0) to [short] ++(3,0)  to [short] ++(3,0) 
 ++(-3,0) -- ++(0,-0.2) node[ground]{}; 

  \draw (-6,-8.5) 
  to [V, v=$V_i$,invert] ++(0,4.5)
  to [short] ++(3,0)
  to [diode] ++(0,-2)
  ++(0,2) to [short]  ++(3,0)
  to [R=\SI{1}{\kilo\ohm}] ++(0,-2)
   ++(-3,0) to [diode] ++(3,0)
     to [R=\SI{2}{\kilo\ohm}, v] ++(0,-2.5) 
  ++(-3,2.5) to [R=\SI{2}{\kilo\ohm}] ++(0,-2.5) 
  ++(-3,0) to [short] ++(3,0) 
     to [short] ++(3,0) 
  ++(-3,0)  -- ++(0,-0.2) node[ground]{};
\end{circuitikz} 
\end{document}

As you see moving the circuit it even simpler since all coordinates are relative to the first one. I find them more intuitive, too. And with siunitx you achieve consistent typesetting of the units.