File:Modulador QAM Digital.png

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Español: Esquema teórico de un modulador QAM Digital, basado en el archivo Modulator QAM.svg creado por el usuario Malyszkz. Versión más reciente elaborada mediante el sistema de composición de textos y gráficos
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Own work

LaTeX This work was created by free software; you can redistribute it and/or modify it under the terms of the LaTeX Project Public License, version 1.3c. See the License for more details.
Author Ramjar

LaTeX source[edit]

% \title{Modulador QAM}
\documentclass[transparent]{standalone}
\usepackage{circuitikz, ubuntu} 

% Estilo de bloque sumador
\tikzstyle{suma} = [draw, line width=1.5pt, circle, minimum size=1cm]
\begin{document}
\begin{circuitikz} [thick]
\draw
	% Nodos de entrada y conversor serie a paralelo
	node[left,align=center, font=\bf] at(-1,0){Flujo \\de datos} % Flujo de datos de entrada
	(-1,0) to[short,o-] ++(0.2,0) 
	to[twoport,t=S/P,>,n=SP1]++(2.5,0) % Conexión al convertidor Serial a Paralelo
	% Conexiones hasta los convertidores [dac]
	(SP1.east) to[short,-*] (2,0) -- (2,3) -- (2,-3)
	% Nodos que representan un oscilador local y dos mezcladores
	(6,0) node[oscillator](o1){} % Oscilador
	(5.5,0.5) node[above]{$f_{C}$} % Frecuencia f_{C} del mezclador
	(7.5,3) node[mixer](m1){} % Mezclador 1
	(7.5,-3) node[mixer,yscale=-1](m2){} % Mezclador 2
	(7.5, -0.7) to[phaseshifter,>,n=FASE1]++(0,-1) -- (m2.in2) % Conexiones al desfasador y mezclador 2
	% Salida del oscilador al desfasador y al mezclador 1
	(o1.west) -| (m1.in2) node[inputarrow] at(m2.in1){}
 	(o1.west) -| (FASE1.west) % Conexión al desfasador
	(6.5,-1.2) node[left]{\large $\varphi=90 ^{\circ}$} % Etiqueta del desfase a 90°
	node[suma] at(10,0)(sum1){\large$\Sigma$} 
	node[inputarrow] at(m1.in1){}
	node[inputarrow,rotate=90] at(m1.in2){}
	node[inputarrow,rotate=-90] at(m2.in2){}
	(m1.out) to [short]++(2,0) -| (sum1.north) node[inputarrow, rotate=-90] {}
	(m2.out) to [short]++(2,0) -| (sum1.south) node[inputarrow, rotate=90] {}
	(sum1.east) -- ++(1,0) node[inputarrow, rotate=0]{} 
	;
\draw 
	% Dipolos de la rama superior
	(2,3) to[dac,>] ++(3,0)
	to[lowpass,>] ++(1,0)
	to (m1.in1)
	% Dipolos de la rama inferior
	(2,-3) to[dac,>] ++(3,0)
	to[lowpass,>] ++(1,0)
	to (m2.in1)
	% Etapa de salida
	node[right,align=center, font=\bf] at(11.5,0){Salida\\QAM}
;
\end{circuitikz}
\end{document}

Licensing[edit]

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.

File history

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Date/TimeThumbnailDimensionsUserComment
current22:32, 25 May 2015Thumbnail for version as of 22:32, 25 May 20151,264 × 554 (22 KB)Ramjar (talk | contribs)Eliminación de la fracción pi/2.
22:15, 25 May 2015Thumbnail for version as of 22:15, 25 May 20151,264 × 554 (45 KB)Ramjar (talk | contribs)Realizado mediante el sistema de composición de textos y gráficos <math>\mathbf{L\!\!^{{}_{\scriptstyle A}} \!\!\!\!\!\;\; T\!_{\displaystyle E} \! X}</math>}}
02:32, 6 November 2012Thumbnail for version as of 02:32, 6 November 2012784 × 419 (28 KB)Ramjar (talk | contribs)Se le eliminó el título al diagrama y se le cambió el tamaño.
02:21, 6 November 2012Thumbnail for version as of 02:21, 6 November 2012802 × 465 (31 KB)Ramjar (talk | contribs)User created page with UploadWizard

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