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This commit is contained in:
Riccardo Giuntoli
parent
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commit
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292
es.telecomlobby.com/radio_aficion/PCB/equi_cristal.ps
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es.telecomlobby.com/radio_aficion/PCB/equi_cristal.ps
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%!PS-Adobe-3.0 EPSF-3.0
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%%Title: equi_cristal
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%%Creator: XCircuit v3.9 rev73
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%%CreationDate: Tue Feb 1 17:41:23 2022
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%%Pages: 1
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%%BoundingBox: 68 68 426 209
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%%EndComments
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%%BeginProlog
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%
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% PostScript prolog for output from xcircuit
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% Version: 3.9
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%
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% Electrical circuit (and otherwise general) drawing program
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%
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% Written by Tim Edwards 8/5/93--4/12/16 (tim@opencircuitdesign.com)
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% The Johns Hopkins University (1993-2004)
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% MultiGiG, Inc. (2004-2012)
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% Open Circuit Design (2012-2016)
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%
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||||||
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%%EndResource
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% XCircuit output starts here.
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% trivial
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begingate
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begingate
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1 1.000 20 -22 20 -38 0 -42 0 -18 spline
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1 1.000 -20 26 -20 14 0 18 0 22 spline
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%%Page: 1 1
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1.0000 inchscale
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||||||
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||||||
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1.000 0.000 160 160 generic::dot
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||||||
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||||||
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||||||
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||||||
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||||||
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||||||
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|
||||||
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%%Trailer
|
||||||
|
XCIRCsave restore
|
||||||
|
%%EOF
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||||||
61
es.telecomlobby.com/radio_aficion/PCB/equi_cristal.svg
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es.telecomlobby.com/radio_aficion/PCB/equi_cristal.svg
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<svg xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="1.1"
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id="equi_cristal" width="100%" height="100%" viewBox="-6 -6 940 363">
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<desc>
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XCircuit Version 3.9
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File "equi_cristal" Page 1
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</desc>
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<g stroke="black">
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<ellipse cx="304" cy="229" rx="6" ry="6" fill="#000000" stroke="none" />
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<path d="M496,69 L468,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M368,69 L396,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M396,69 L402,83 414,55 426,83 438,55 450,83 462,55 468,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M560,69 L618,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M688,69 L630,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M630,37 L630,101 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M618,37 L618,101 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M834,69 C838,49 854,49 858,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M834,69 C830,89 842,89 838,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M774,69 C778,49 794,49 798,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M794,69 C798,49 814,49 818,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M814,69 C818,49 834,49 838,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M794,69 C790,89 802,89 798,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M814,69 C810,89 822,89 818,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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|
<path d="M858,69 L880,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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|
<path d="M774,69 L752,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<ellipse cx="928" cy="229" rx="6" ry="6" fill="#000000" stroke="none" />
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<path d="M560,325 L618,325 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M688,325 L630,325 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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||||||
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<path d="M630,293 L630,357 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M618,293 L618,357 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M176,229 L304,229 304,69 368,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<path d="M496,69 L576,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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|
<path d="M688,69 L768,69 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
|
||||||
|
<path d="M880,69 L928,69 928,229 928,325 688,325 656,325 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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|
<path d="M576,325 L304,325 304,229 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
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<g transform="matrix( 1 0 -0 1 112 245)" fill="#000000" >
|
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<text stroke="none" font-family="Helvetica" font-size="40" ><tspan x="0" y="0">=</tspan>
|
||||||
|
</text></g>
|
||||||
|
<path d="M24,241 L24,217 72,217 72,241 z" fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
|
||||||
|
<path d="M48,181 L48,205 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
|
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|
<path d="M48,277 L48,253 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
|
||||||
|
<path d="M28,205 L68,205 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
|
||||||
|
<path d="M28,253 L68,253 " fill="none" stroke-width="2" stroke-linejoin="bevel" stroke-linecap="round" stroke="#000000" />
|
||||||
|
<g transform="matrix( 0.8 0 -0 0.8 0 309)" fill="#000000" >
|
||||||
|
<text stroke="none" font-family="Helvetica" font-size="40" ><tspan x="0" y="0">Cristal</tspan>
|
||||||
|
</text></g>
|
||||||
|
<g transform="matrix( 0.8 0 -0 0.8 400 37)" fill="#000000" >
|
||||||
|
<text stroke="none" font-family="Helvetica" font-size="40" ><tspan x="0" y="0">R1</tspan>
|
||||||
|
</text></g>
|
||||||
|
<g transform="matrix( 0.8 0 -0 0.8 608 21)" fill="#000000" >
|
||||||
|
<text stroke="none" font-family="Helvetica" font-size="40" ><tspan x="0" y="0">C1</tspan>
|
||||||
|
</text></g>
|
||||||
|
<g transform="matrix( 0.8 0 -0 0.8 816 21)" fill="#000000" >
|
||||||
|
<text stroke="none" font-family="Helvetica" font-size="40" ><tspan x="0" y="0">L1</tspan>
|
||||||
|
</text></g>
|
||||||
|
<g transform="matrix( 0.8 0 -0 0.8 608 261)" fill="#000000" >
|
||||||
|
<text stroke="none" font-family="Helvetica" font-size="40" ><tspan x="0" y="0">C0</tspan>
|
||||||
|
</text></g>
|
||||||
|
</g>
|
||||||
|
</svg>
|
||||||
|
After Width: | Height: | Size: 5.2 KiB |
@ -268,7 +268,13 @@ Se llama filtro en T a lo que tiene uno de sus brazos en serie y otro en paralel
|
|||||||
|
|
||||||
#### 2.4.5 filtro de cristal de cuarzo.
|
#### 2.4.5 filtro de cristal de cuarzo.
|
||||||
|
|
||||||
Basado en un circuito sintonizado
|
|
||||||
|
|
||||||
|
Basado en un circuito sintonizado, o resonante, de muy elevada selectividad que utiliza uno o más cristales de cuarzo.
|
||||||
|
|
||||||
|
El cuarzo es un mineral cristalino de sílice en el que se descubrieron hacia 1930 [propiedades piezoelectricas](https://es.wikipedia.org/wiki/Piezoelectricidad), tales que el mineral cuando comprimido produce una separación de cargas eléctricas que genera a su vez una diferencia de potencial y reacciona mecánicamente cuando se somete a cun cierto voltaje.
|
||||||
|
|
||||||
|
El cristal de cuarzo se usa como componente de control de la frecuencia de circuitos osciladores convirtiendo las vibraciones mecánicas en voltajes eléctricos a una frecuencia específica, dado que presenta un comportamiento resonante. Así como un [péndulo](https://es.wikipedia.org/wiki/P%C3%A9ndulo) oscila a una frecuencia propia si, tras darle impulso, se le deja moverse libremente, un cristal de cuarzo sometido a un estímulo eléctrico puede continuar vibrando a una cierta frecuencia. Si se mantiene el estímulo de manera periódica y sincronizada, tendremos una [señal](https://es.wikipedia.org/wiki/Se%C3%B1al_el%C3%A9ctrica) a una frecuencia extraordinariamente precisa. Es la contrapartida electrónica de un reloj de péndulo.
|
||||||
|
|
||||||
## Bibliografía
|
## Bibliografía
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user