El circuito integrado 555 es uno de los más versátiles con que todo el proyectista de equipos electrónicos puede contar. Sin embargo, no todos saben explorar todas las posibilidades de este componente. En este artículo damos tres aplicaciones diferentes para el circuito integrado 555 y que pueden ser de gran utilidad para el banco de circuito de los lectores.

   El circuito integrado 555 (timer / oscilador) se puede utilizar de diversas formas en circuitos prácticos que pueden incluso sorprender a los lectores menos acostumbrados a trabajar con este componente.

   En este artículo damos tres configuraciones diferentes utilizando este integrado:

   

 

Generador de Rampa Lineal

   El circuito presentado en la figura 1 genera una rampa lineal cuya frecuencia depende del valor de C2 y de R1.


 

 

 

   La frecuencia límite para el 555 está alrededor de 500 kHz, sin embargo, para mayor linealidad este circuito sólo debe ser utilizado en frecuencias mucho menores.

   Entre las aplicaciones posibles para este circuito están las bases de tiempo para osciloscopio o incluso circuitos de adquisición de datos.

   En la figura 2 tenemos la forma de onda obtenida en este circuito.

 

 


 

 

 

   Como podemos ver, el transistor forma con los componentes de polarización de base una fuente de corriente constante para la carga del condensador C2.

   En la entrada de Reset se puede tener un control externo del instante en que el circuito empieza a generar la rampa lo que puede ser de gran utilidad en muchas aplicaciones. La entrada de disparo (Vin) también es importante para las aplicaciones que se deben sincronizar externamente.

 

Detector de Pulso Ausente

   El circuito mostrado en la figura 3 es bastante interesante en aplicaciones de control y alarmas.

 


 

 

 

   Este circuito detecta cuando falta uno o más pulsos en un punto de pulsos constante que se aplica a su entrada.

   La constante de tiempo R C debe calcularse de modo que sea un poco mayor que la dada por la frecuencia de la señal de entrada. De esta forma, en ausencia de un pulso en la entrada, hay tiempo para el circuito temporizar el pulso y volver a cero presentando así en su salida una transición negativa, como muestra el gráfico de la figura 4.

 


 

 

 

    Entre las aplicaciones de este circuito tenemos un eslabón de protección en el que se envía a través de un hilo una señal rectangular de frecuencia fija. Si este eslabón es interrumpido (hilo cortado) el detector colocado en el otro extremo del hilo acusa la falta de las muñecas y genera una señal de disparo.

   Otra aplicación sería en un sistema de monitoreo de datos en el que la ausencia de un pulso de sincronismo para la captura de estos datos puede fácilmente ser detectada disparando algún sistema de aviso.

   Observe que la alimentación de 5 V hace que este circuito sea compatible con la tecnología TTL.

 

Convertidor DC / DC

   En la figura 5 tenemos un convertidor que genera una tensión negativa a partir de una fuente positiva de tensión.

 

 


 

 

 

   La corriente disponible en la salida de esta fuente es del orden de sólo algunos micro-campos, pero puede ser utilizada en circuitos de polarización, lo que puede ser importante en determinadas aplicaciones que involucran amplificadores operacionales con fuente simétrica operando en régimen de muy baja potencia.

   El circuito opera como un oscilador cuya frecuencia depende del condensador conectado a los pines 6/2 y tiene en la salida un triplicador de tensión invertido para generar tensiones negativas.

   Observamos que el valor de -12 V generado es "abierto", es decir, sin carga y que el circuito no tiene regulación. Una regulación puede ser implementada realimentando el circuito con la propia tensión de salida.

   El circuito también funciona con otras tensiones de entrada, en el rango de 5 a 15 V, sin problemas.

 

 

18.982MBMemory Usage41.52msRequest 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:49 [ "USER" => "apache" "HOME" => "/usr/share/httpd" "PATH_TRANSLATED" => "redirect:/ind...
session
array:3 [ "counter" => 1 "timer" => array:3 [ "start" => 1748976372 "last" => 1748976372...
registry
array:3 [ "data" => [] "initialized" => false "separator" => "." ]
user
array:21 [ "id" => 0 "name" => null "username" => null "email" => null "password" => "***r...
  • afterLoad (85.47KB) (333μs)
  • afterInitialise (1.14MB) (3.76ms)
  • afterRoute (179.21KB) (887μs)
  • beforeRenderComponent com_content (100.98KB) (437μs)
  • Before Access::preloadComponents (all components) (33.45KB) (204μs)
  • After Access::preloadComponents (all components) (107.06KB) (445μs)
  • Before Access::preloadPermissions (com_content) (1.57KB) (8μs)
  • After Access::preloadPermissions (com_content) (16.22MB) (19.23ms)
  • Before Access::getAssetRules (id:8 name:com_content) (480.05KB) (2.21ms)
  • After Access::getAssetRules (id:8 name:com_content) (7.36KB) (28μs)
  • afterRenderComponent com_content (420.68KB) (6.31ms)
  • afterDispatch (2.25KB) (58μs)
  • beforeRenderRawModule mod_articles_category (Banco de Circuitos) (422.53KB) (1.62ms)
  • afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (351μs)
  • beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (93μs)
  • afterRenderRawModule mod_finder (Busca_inteligente) (63.02KB) (1.22ms)
  • beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (554μs)
  • afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (70μs)
  • beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (199μs)
  • afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (47μs)
  • afterRender (296.81KB) (3.32ms)
  • 1 x After Access::preloadPermissions (com_content) (16.22MB) (46.33%)
    19.23ms
    1 x afterRenderComponent com_content (420.68KB) (15.21%)
    6.31ms
    1 x afterInitialise (1.14MB) (9.06%)
    3.76ms
    1 x afterRender (296.81KB) (8%)
    3.32ms
    1 x Before Access::getAssetRules (id:8 name:com_content) (480.05KB) (5.33%)
    2.21ms
    1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (422.53KB) (3.89%)
    1.62ms
    1 x afterRenderRawModule mod_finder (Busca_inteligente) (63.02KB) (2.95%)
    1.22ms
    1 x afterRoute (179.21KB) (2.14%)
    887μs
    1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (1.33%)
    554μs
    1 x After Access::preloadComponents (all components) (107.06KB) (1.07%)
    445μs
    1 x beforeRenderComponent com_content (100.98KB) (1.05%)
    437μs
    1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (0.85%)
    351μs
    1 x afterLoad (85.47KB) (0.8%)
    333μs
    1 x Before Access::preloadComponents (all components) (33.45KB) (0.49%)
    204μs
    1 x beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (0.48%)
    199μs
    1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.22%)
    93μs
    1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (0.17%)
    70μs
    1 x afterDispatch (2.25KB) (0.14%)
    58μs
    1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.11%)
    47μs
    1 x After Access::getAssetRules (id:8 name:com_content) (7.36KB) (0.07%)
    28μs
    1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.02%)
    8μs
23 statements were executed, 5 of which were duplicates, 18 unique11.72ms1.58MB
  • SELECT @@SESSION.sql_mode;29μs968B/libraries/src/Session/MetadataManager.php:184Copy
  • SELECT `session_id` FROM `incbmx_session` WHERE `session_id` = :session_id LIMIT 174μs1.3KBParams/libraries/src/Session/MetadataManager.php:187Copy
  • INSERT INTO `incbmx_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (:session_id, :guest, :time, :user_id, :username, :client_id)213μs944BParams/libraries/src/Session/MetadataManager.php:260Copy
  • SELECT `id`,`rules` FROM `incbmx_viewlevels`54μs656B/libraries/src/Access/Access.php:955Copy
  • SELECT `b`.`id` FROM `incbmx_usergroups` AS `a` LEFT JOIN `incbmx_usergroups` AS `b` ON `b`.`lft` <= `a`.`lft` AND `b`.`rgt` >= `a`.`rgt` WHERE `a`.`id` = :guest78μs1.64KBParams/libraries/src/Access/Access.php:868Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `incbmx_categories` AS `s` INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`230μs20.2KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `id`,`name`,`rules`,`parent_id` FROM `incbmx_assets` WHERE `name` IN (:preparedArray1,:preparedArray2,:preparedArray3,:preparedArray4,:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9,:preparedArray10,:preparedArray11,:preparedArray12,:preparedArray13,:preparedArray14,:preparedArray15,:preparedArray16,:preparedArray17,:preparedArray18,:preparedArray19,:preparedArray20,:preparedArray21,:preparedArray22,:preparedArray23,:preparedArray24,:preparedArray25,:preparedArray26,:preparedArray27,:preparedArray28,:preparedArray29,:preparedArray30,:preparedArray31,:preparedArray32,:preparedArray33,:preparedArray34,:preparedArray35,:preparedArray36,:preparedArray37,:preparedArray38,:preparedArray39)299μs7.44KBParams/libraries/src/Access/Access.php:357Copy
  • SELECT `id`,`name`,`rules`,`parent_id` FROM `incbmx_assets` WHERE `name` LIKE :asset OR `name` = :extension OR `parent_id` = 07.66ms1.48MBParams/libraries/src/Access/Access.php:301Copy
  • SHOW FULL COLUMNS FROM `incbmx_assets`349μs2.02KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587Copy
  • SELECT * FROM `incbmx_assets` WHERE `name` = 'com_content.article.2928'85μs912B/libraries/src/Table/Table.php:780Copy
  • SHOW FULL COLUMNS FROM `incbmx_content`263μs1.77KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587Copy
  • UPDATE `incbmx_content` SET `hits` = (`hits` + 1) WHERE `id` = '2928'109μs48B/libraries/src/Table/Table.php:1348Copy
  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `incbmx_content` AS `a` INNER JOIN `incbmx_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `incbmx_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `incbmx_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `incbmx_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `incbmx_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)175μs22.13KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `incbmx_categories` AS `s` INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`193μs3.92KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `m`.`tag_id`,`t`.* FROM `incbmx_contentitem_tag_map` AS `m` INNER JOIN `incbmx_tags` AS `t` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :contentType AND `m`.`content_item_id` = :id AND `t`.`published` = 1 AND `t`.`access` IN (:preparedArray1,:preparedArray2)349μs3.97KBParams/libraries/src/Helper/TagsHelper.php:388Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `incbmx_categories` AS `s` INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`221μs3.92KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note FROM incbmx_fields AS a LEFT JOIN `incbmx_languages` AS l ON l.lang_code = a.language LEFT JOIN incbmx_users AS uc ON uc.id=a.checked_out LEFT JOIN incbmx_viewlevels AS ag ON ag.id = a.access LEFT JOIN incbmx_users AS ua ON ua.id = a.created_user_id LEFT JOIN incbmx_fields_groups AS g ON g.id = a.group_id LEFT JOIN `incbmx_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC477μs6.06KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:164Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `incbmx_categories` AS `s` INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`224μs3.92KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `name`,`element` FROM `incbmx_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1194μs656B/administrator/components/com_finder/src/Helper/LanguageHelper.php:135Copy
  • SELECT `title` FROM `incbmx_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)113μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325Copy
  • SELECT * FROM `incbmx_schemaorg` WHERE `itemId` = :itemId AND `context` = :context74μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:403Copy
  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `incbmx_content` AS `a` INNER JOIN `incbmx_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `incbmx_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `incbmx_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `incbmx_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `incbmx_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)167μs22.17KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `incbmx_scheduler_tasks` AS `a` WHERE `a`.`state` = 188μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:465Copy
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content
  • warningassets - No asset found for com_content.article.2928, falling back to com_content