Preselector de onda media (CIR17961S)

Written by: Newton C. Braga
Category: Banco de circuitos

 

A muchos todavía les gusta escuchar ondas medias, pero viven en lugares con recepción difícil con muchas interferencias y poca intensidad de señal que requieren el uso de antenas externas. La recepción en estos lugares se puede mejorar con un preselector. La bobina consta de 100 vueltas de alambre 28 en un tubo de cartón o PVC de 1 pulgada con tapones cada 20 vueltas. La variable es de una vieja radio de onda media. El circuito está conectado entre la antena y la tierra del receptor. El circuito es de Proyectos divertidos para el experimentador, un libro de Newton C. Braga.

 

Preselector de onda media
Preselector de onda media

 

 

 

Buscador de Datasheets


N° de Componente 

Banco de Circuitos

J! InfoRequestSessionProfileQueries21
18.837MBMemory Usage57.28msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.20
Identityguest
Response200
Templatecassiopeia
Database
Server
mysql
Version
10.5.22-MariaDB
Collation
latin1_swedish_ci
Conn Collation
utf8mb4_general_ci
$_GET
[]
$_POST
[]
$_SESSION
array:1 [ "joomla" => "***redacted***" ]
$_COOKIE
[]
$_SERVER
array:51 [ "USER" => "apache" "HOME" => "/usr/share/httpd" "SCRIPT_NAME" => "/index.php" "RE...
session
array:3 [ "counter" => 1 "timer" => array:3 [ "start" => 1751872539 "last" => 1751872539...
registry
array:3 [ "data" => [] "initialized" => false "separator" => "." ]
user
array:21 [ "id" => 0 "name" => null "username" => null "email" => null "password" => "***r...
  • afterLoad (85.3KB) (228μs)
  • afterInitialise (1.14MB) (4.5ms)
  • afterRoute (89.95KB) (883μs)
  • beforeRenderComponent com_content (100.41KB) (512μs)
  • Before Access::preloadComponents (all components) (33.45KB) (226μs)
  • After Access::preloadComponents (all components) (107.06KB) (515μs)
  • Before Access::preloadPermissions (com_content) (1.57KB) (10μs)
  • After Access::preloadPermissions (com_content) (16.22MB) (34.83ms)
  • Before Access::getAssetRules (id:20745 name:com_content.article.24566) (514.65KB) (909μs)
  • After Access::getAssetRules (id:20745 name:com_content.article.24566) (7.38KB) (47μs)
  • afterRenderComponent com_content (336.66KB) (6.66ms)
  • afterDispatch (2.25KB) (56μs)
  • beforeRenderRawModule mod_articles_category (Banco de Circuitos) (358.53KB) (1.84ms)
  • afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (338μs)
  • beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (90μs)
  • afterRenderRawModule mod_finder (Busca_inteligente) (129.21KB) (1.23ms)
  • beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (627μs)
  • afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (81μs)
  • beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (267μs)
  • afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (63μs)
  • afterRender (251.44KB) (3.27ms)
  • 1 x After Access::preloadPermissions (com_content) (16.22MB) (60.8%)
    34.83ms
    1 x afterRenderComponent com_content (336.66KB) (11.62%)
    6.66ms
    1 x afterInitialise (1.14MB) (7.86%)
    4.50ms
    1 x afterRender (251.44KB) (5.7%)
    3.27ms
    1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (358.53KB) (3.22%)
    1.84ms
    1 x afterRenderRawModule mod_finder (Busca_inteligente) (129.21KB) (2.14%)
    1.23ms
    1 x Before Access::getAssetRules (id:20745 name:com_content.article.24566) (514.65KB) (1.59%)
    909μs
    1 x afterRoute (89.95KB) (1.54%)
    883μs
    1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (1.09%)
    627μs
    1 x After Access::preloadComponents (all components) (107.06KB) (0.9%)
    515μs
    1 x beforeRenderComponent com_content (100.41KB) (0.89%)
    512μs
    1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (0.59%)
    338μs
    1 x beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (0.47%)
    267μs
    1 x afterLoad (85.3KB) (0.4%)
    228μs
    1 x Before Access::preloadComponents (all components) (33.45KB) (0.39%)
    226μs
    1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.16%)
    90μs
    1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (0.14%)
    81μs
    1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.11%)
    63μs
    1 x afterDispatch (2.25KB) (0.1%)
    56μs
    1 x After Access::getAssetRules (id:20745 name:com_content.article.24566) (7.38KB) (0.08%)
    47μs
    1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.02%)
    10μs
21 statements were executed, 5 of which were duplicates, 16 unique18ms1.53MB
UniquesDuplicates 1Duplicates 2
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