El circuito presentado funciona como una especie de generador de envoltura, generando notas diferentes en secuencia, las cuales pueden ser combinadas en trimpots. El circuito tiene una salida externa y un altavoz interno y es alimentado por una tensión de 6 o 9 V.

   Describimos un circuito secuencial que alimenta dos osciladores de audio, generando tonos diferentes para sistemas de efecto, llamadas y otras aplicaciones similares.

   El circuito utiliza componentes comunes, excepto por el unijuntura que es un componente que ya está cayendo en desuso.

   El circuito tiene varios controles:

 

P1 - controla la velocidad del efecto

S1 - selecciona las pistas de velocidad

P2 a P11 - seleccionan la forma de la envoltura de la señal

S2 - selecciona el tipo de oscilador

S3 - selecciona la amortiguación del primer oscilador

S4 - selecciona la amortiguación del segundo oscilador

S5 - enciende y apaga el circuito

 

   Como funciona

   La cadencia o la envoltura de la señal generada son producidas por un 555 astable cuya frecuencia se ajusta en P1.

   Este 555 puede operar con dos valores de capacitores seleccionados por la llave S1.

   El valor menor genera una señal de frecuencia alta que controla simplemente la envoltura de la señal generada, actuando sobre el timbre.

   El segundo, de valor alto, da una cadencia al sonido producido, para obtener el efecto de sirena o caja de música, generando 10 tonos diferentes, como muestra la figura 1.

 

Figura 1 - Los efectos obtenidos
Figura 1 - Los efectos obtenidos

 

 

   En la figura 2 se muestra cómo el tiempo del ciclo total de la señal afecta la señal que se generará.

 

Figura 2 - Tiempos y formas de señal
Figura 2 - Tiempos y formas de señal

 

 

   La cadencia es generada por un contador con el 4017 que tiene en sus salidas 10 trimpots.

   La finalidad de estos trimpots es determinar el tiempo de accionamiento del oscilador seleccionado en la salida.

   Se utilizan dos osciladores, siendo uno con un transistor unijuntura pudiendo su señal ser aplicada a un circuito externo.

   El otro utiliza dos transistores y tiene un sistema integrador que afecta directamente la forma de onda producida.

   En fin, con los ajustes, se pueden obtener efectos interesantes de sonido.

 

   Montaje

   En la figura 3 tenemos el diagrama completo del generador.

 

Figura 3 - Diagrama del generador
Figura 3 - Diagrama del generador

 

 

   Como se trata de montaje experimental, sugerimos su montaje en una matriz de contactos con la disposición de componentes mostrada en la figura 4.

 

Figura 4 - Montaje en matriz de contactos
Figura 4 - Montaje en matriz de contactos

 

 

   En el montaje, observe las posiciones de los circuitos integrados y de los transistores.

    Para los trimpots sugerimos soldar pedazos de hilo rígido para que puedan ser encajados en la matriz se no fueran tipos compatibles, si el lector utiliza los tipos antiguos.

   Para los modernos, el encaje puede ser directo, pero eventualmente puede ser necesario usar una matriz más grande.

   El uso es simple: basta con actuar sobre los controles y crear los sonidos deseados.

 

 

CI-1 - 555 - circuito integrado

CI-2 - 4093 - circuito integrado

Q1 - 2N2646 - transistores unijuntura

Q2 - BC548 - transistores NPN de uso general

Q3 - BC558 - transistores PNP de uso general

B1 - 6 o 9 V - pilas o batería

S1, S2 - llaves de 1 polo x 2 posiciones

S3, S4, S5 - Interruptores sencillos

P1 – 220 k o 470 k – potenciómetros

P2 a P11 - 100 k ohms - trimpots

C1, C4, C6 - 10 nF - cerámico o poliéster

C2, C3, C5 - 1 uF - electrolítico

C7 - 47 nF - cerámico o poliéster

C8 - 100 uF - electrolítico

R1, R3, R4, R7 - 10 k ohms x 1/8 W - resistores - marrón, negro, naranja

R2, - 22 k ohms x 1/8 W - resistor - rojo, rojo, naranja

R5 - 470 ohms x 1/8 W - resistor - amarillo, violeta, marrón

R6 - 100 ohms x 1/8 W - resistor - marrón, negro, marrón

R8 - 1k ohms x 1/8 W-resistor - marrón, negro, rojo

FTE - 4 ó 8 ohms - Altavoz pequeño

Varios:

Matriz de contacto, soporte de pilas o conector de batería, hilos, soldadura, etc.

 

Settings19.02MBMemory Usage49.08msRequest Duration
Theme
Open Button Position
Hide Empty Tabs
Autoshow
Reset to defaults
Joomla! Version5.3.2
PHP Version8.3.23
Identityguest
Response200
Templatecassiopeia
Database
Server
mysql
Version
10.5.27-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" => 1753421360 "last" => 1753421360...
registry
array:3 [ "data" => [] "initialized" => false "separator" => "." ]
user
array:21 [ "id" => 0 "name" => null "username" => null "email" => null "password" => "***r...
  • afterLoad (83.7KB) (280μs)
  • afterInitialise (1.13MB) (4.62ms)
  • afterRoute (179.89KB) (1.25ms)
  • beforeRenderComponent com_content (100.8KB) (469μs)
  • Before Access::preloadComponents (all components) (33.13KB) (290μs)
  • After Access::preloadComponents (all components) (113.49KB) (821μs)
  • Before Access::preloadPermissions (com_content) (1.57KB) (8μs)
  • After Access::preloadPermissions (com_content) (16.24MB) (22.85ms)
  • Before Access::getAssetRules (id:8 name:com_content) (481.14KB) (4.06ms)
  • After Access::getAssetRules (id:8 name:com_content) (7.36KB) (31μs)
  • afterRenderComponent com_content (392.61KB) (5.48ms)
  • afterDispatch (2.25KB) (42μs)
  • beforeRenderRawModule mod_articles_category (Banco de Circuitos) (434.78KB) (2.19ms)
  • afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.5KB) (334μs)
  • beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (100μs)
  • afterRenderRawModule mod_finder (Busca_inteligente) (52.97KB) (806μs)
  • beforeRenderRawModule mod_menu (Main Menu) (22.55KB) (270μs)
  • afterRenderRawModule mod_menu (Main Menu) (55.38KB) (712μs)
  • beforeRenderModule mod_articles_category (Banco de Circuitos) (15.38KB) (659μs)
  • afterRenderModule mod_articles_category (Banco de Circuitos) (4.75KB) (64μs)
  • beforeRenderModule mod_menu (Main Menu) (13.93KB) (186μs)
  • afterRenderModule mod_menu (Main Menu) (3.59KB) (54μs)
  • beforeRenderModule mod_finder (Busca_inteligente) (22.14KB) (271μs)
  • afterRenderModule mod_finder (Busca_inteligente) (4.75KB) (56μs)
  • afterRender (296.42KB) (3.07ms)
  • 1 x After Access::preloadPermissions (com_content) (16.24MB) (46.55%)
    22.85ms
    1 x afterRenderComponent com_content (392.61KB) (11.17%)
    5.48ms
    1 x afterInitialise (1.13MB) (9.42%)
    4.62ms
    1 x Before Access::getAssetRules (id:8 name:com_content) (481.14KB) (8.26%)
    4.06ms
    1 x afterRender (296.42KB) (6.25%)
    3.07ms
    1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (434.78KB) (4.47%)
    2.19ms
    1 x afterRoute (179.89KB) (2.55%)
    1.25ms
    1 x After Access::preloadComponents (all components) (113.49KB) (1.67%)
    821μs
    1 x afterRenderRawModule mod_finder (Busca_inteligente) (52.97KB) (1.64%)
    806μs
    1 x afterRenderRawModule mod_menu (Main Menu) (55.38KB) (1.45%)
    712μs
    1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (15.38KB) (1.34%)
    659μs
    1 x beforeRenderComponent com_content (100.8KB) (0.96%)
    469μs
    1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.5KB) (0.68%)
    334μs
    1 x Before Access::preloadComponents (all components) (33.13KB) (0.59%)
    290μs
    1 x afterLoad (83.7KB) (0.57%)
    280μs
    1 x beforeRenderModule mod_finder (Busca_inteligente) (22.14KB) (0.55%)
    271μs
    1 x beforeRenderRawModule mod_menu (Main Menu) (22.55KB) (0.55%)
    270μs
    1 x beforeRenderModule mod_menu (Main Menu) (13.93KB) (0.38%)
    186μs
    1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.2%)
    100μs
    1 x afterRenderModule mod_articles_category (Banco de Circuitos) (4.75KB) (0.13%)
    64μs
    1 x afterRenderModule mod_finder (Busca_inteligente) (4.75KB) (0.11%)
    56μs
    1 x afterRenderModule mod_menu (Main Menu) (3.59KB) (0.11%)
    54μs
    1 x afterDispatch (2.25KB) (0.09%)
    42μs
    1 x After Access::getAssetRules (id:8 name:com_content) (7.36KB) (0.06%)
    31μs
    1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.02%)
    8μs
24 statements were executed, 5 of which were duplicates, 19 unique12.54ms1.59MB
  • SELECT @@SESSION.sql_mode;38μs968B/libraries/src/Session/MetadataManager.php:184Copy
  • SELECT `session_id` FROM `incbmx_session` WHERE `session_id` = :session_id LIMIT 1100μs1.3KBParams/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)185μs944BParams/libraries/src/Session/MetadataManager.php:260Copy
  • SELECT `id`,`rules` FROM `incbmx_viewlevels`57μs656B/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` = :guest69μs1.64KBParams/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`250μs20.2KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `alias` FROM `incbmx_content` WHERE `id` = :id65μs1.31KBParams/components/com_content/src/Service/Router.php:289Copy
  • 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)669μs7.44KBParams/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` = 08.16ms1.48MBParams/libraries/src/Access/Access.php:301Copy
  • SHOW FULL COLUMNS FROM `incbmx_assets`359μs1.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:539Copy
  • SELECT * FROM `incbmx_assets` WHERE `name` = 'com_content.article.2183'110μs912B/libraries/src/Table/Table.php:780Copy
  • SHOW FULL COLUMNS FROM `incbmx_content`286μs1.77KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:539Copy
  • UPDATE `incbmx_content` SET `hits` = (`hits` + 1) WHERE `id` = '2183'115μs48B/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)157μs22.13KBParams/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`184μs3.92KBParams/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)218μs3.97KBParams/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`196μs5.17KBParams/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 ASC387μs4.81KBParams/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`226μs3.92KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `m`.`id`,`m`.`title`,`m`.`module`,`m`.`position`,`m`.`content`,`m`.`showtitle`,`m`.`params`,`mm`.`menuid` FROM `incbmx_modules` AS `m` LEFT JOIN `incbmx_modules_menu` AS `mm` ON `mm`.`moduleid` = `m`.`id` LEFT JOIN `incbmx_extensions` AS `e` ON `e`.`element` = `m`.`module` AND `e`.`client_id` = `m`.`client_id` WHERE ( ( (`m`.`published` = 1 AND `e`.`enabled` = 1 AND `m`.`client_id` = :clientId AND `m`.`access` IN (:preparedArray1,:preparedArray2)) AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= :publishUp)) AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= :publishDown)) AND (`mm`.`menuid` = :itemId OR `mm`.`menuid` <= 0) ORDER BY `m`.`position`,`m`.`ordering`334μs2KBParams/libraries/src/Cache/Controller/CallbackController.php:120Copy
  • SELECT `title` FROM `incbmx_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)79μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325Copy
  • SELECT * FROM `incbmx_schemaorg` WHERE `itemId` = :itemId AND `context` = :context60μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:406Copy
  • 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)166μs22.17KBParams/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` = 168μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:517Copy
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content
  • warningassets - No asset found for com_content.article.2183, falling back to com_content