From 978a1a8eec4819754e8a8a137c4145ceebaf7811 Mon Sep 17 00:00:00 2001 From: Riccardo Giuntoli Date: Tue, 1 Feb 2022 15:30:06 +0100 Subject: [PATCH] s --- .../radio_aficion/PCB/red_escalera.ps | 285 ++++++++++++++++++ .../radio_aficion/PCB/red_escalera.svg | 73 +++++ es.telecomlobby.com/radio_aficion/URE_2.md | 4 + 3 files changed, 362 insertions(+) create mode 100644 es.telecomlobby.com/radio_aficion/PCB/red_escalera.ps create mode 100644 es.telecomlobby.com/radio_aficion/PCB/red_escalera.svg diff --git a/es.telecomlobby.com/radio_aficion/PCB/red_escalera.ps b/es.telecomlobby.com/radio_aficion/PCB/red_escalera.ps new file mode 100644 index 00000000..092f8906 --- /dev/null +++ b/es.telecomlobby.com/radio_aficion/PCB/red_escalera.ps @@ -0,0 +1,285 @@ +%!PS-Adobe-3.0 EPSF-3.0 +%%Title: red_escalera +%%Creator: XCircuit v3.9 rev73 +%%CreationDate: Tue Feb 1 15:29:35 2022 +%%Pages: 1 +%%BoundingBox: 68 68 374 203 +%%DocumentNeededResources: font Times-Roman +%%EndComments +%%BeginProlog +% +% PostScript prolog for output from xcircuit +% Version: 3.9 +% +% Electrical circuit (and otherwise general) drawing program +% +% Written by Tim Edwards 8/5/93--4/12/16 (tim@opencircuitdesign.com) +% The Johns Hopkins University (1993-2004) +% MultiGiG, Inc. (2004-2012) +% Open Circuit Design (2012-2016) +% +%%BeginResource: procset XCIRCproc 3.9 1 +% +% supporting definitions --- these are the primary xcircuit types. + +/XCIRCsave save def +/topmat matrix currentmatrix def + +/fontslant { /slant exch def [1 0 slant 1 0 0] + exch findfont exch makefont dup length dict /ndict exch def + { 1 index /FID ne { ndict 3 1 roll put } { pop pop } ifelse } forall + ndict definefont pop} def +/ul { count 0 gt { dup type /stringtype eq showflag 1 eq and { gsave + currentpoint topmat setmatrix 0 0 moveto 2 index stringwidth pop (_) + false charpath flattenpath pathbbox grestore exch pop 1 index + sub setlinewidth exch pop currentpoint 3 -1 roll add moveto 0 + rlineto stroke moveto } if } if } def +/ol { count 0 gt { dup type /stringtype eq showflag 1 eq and { gsave gsave + currentpoint topmat setmatrix 2 index stringwidth pop 3 index + true charpath flattenpath pathbbox grestore exch pop + exch pop topmat setmatrix (_) true charpath pathbbox grestore + 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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/es.telecomlobby.com/radio_aficion/URE_2.md b/es.telecomlobby.com/radio_aficion/URE_2.md index ee606d5e..15cc1fa9 100644 --- a/es.telecomlobby.com/radio_aficion/URE_2.md +++ b/es.telecomlobby.com/radio_aficion/URE_2.md @@ -227,6 +227,10 @@ Paso alto el que permite paso de frecuencias desde una determinada hacia arriba; Un filtro pasa banda o supresión de banda es el que permite o impide el paso de componentes de frecuencia dentro de un determinado rango, comprendido entre una frecuencia de corte superior y otra inferior. Es una combinación de paso alto y paso bajo. Si se modifican estas frecuencias de corte, se modifica el rango de frecuencias, ampliando o disminuyendo las frecuencias que pueden pasar por él. +Diremos pues que el ancho de banda de un filtro es la anchura, medida en hercios, del rango de frecuencias en el que se concentra la mayor parte de la potencia de la señal. Como veremos más adelante puede ser calculado a a partir de una señal temporal mediante el [análisis de Fourier](https://es.wikipedia.org/wiki/An%C3%A1lisis_de_Fourier). + +#### 2.4.2 Redes en escalera. Factor de calidad de un circuito sintonizado. + ##