Este circuito es de documentación antigua, pero se puede adaptar para usar componentes modernos. Los transistores de potencia deben estar equipados con buenos disipadores de calor.

Fuente simétrica para el taller
Este circuito es de documentación antigua, pero se puede adaptar para usar componentes modernos. Los transistores de potencia deben estar equipados con buenos disipadores de calor.
Usando dos LM377, este amplificador proporciona unos pocos watts de audio en un altavoz de baja...
Este fotómetro se basa en un puente de Wheatstone que debe ser equilibrado por el potenciómetro lineal...
El mismo oscilador básico de audio del CIR4437S puede ser modulado automáticamente por un...
Joomla! Version | 5.2.3 |
PHP Version | 8.3.16 |
Identity | guest |
Response | 200 |
Template | cassiopeia |
Database |
|
1 x After Access::preloadPermissions (com_content) (16.19MB) (51.77%) | 20.50ms |
1 x afterRenderComponent com_content (334.4KB) (13.79%) | 5.46ms |
1 x afterInitialise (1.14MB) (9.17%) | 3.63ms |
1 x afterRender (251.42KB) (7.79%) | 3.08ms |
1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (359.33KB) (3.75%) | 1.49ms |
1 x afterRenderRawModule mod_finder (Busca_inteligente) (129.29KB) (2.83%) | 1.12ms |
1 x afterRoute (89.95KB) (1.93%) | 765μs |
1 x Before Access::getAssetRules (id:15029 name:com_content.article.18994) (514.65KB) (1.69%) | 671μs |
1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (10.1KB) (1.39%) | 551μs |
1 x After Access::preloadComponents (all components) (107.06KB) (1.16%) | 458μs |
1 x beforeRenderComponent com_content (100.37KB) (1.11%) | 441μs |
1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (0.82%) | 324μs |
1 x afterLoad (85.61KB) (0.79%) | 314μs |
1 x Before Access::preloadComponents (all components) (33.45KB) (0.49%) | 194μs |
1 x beforeRenderModule mod_finder (Busca_inteligente) (6.39KB) (0.48%) | 188μs |
1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.23%) | 90μs |
1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.39KB) (0.19%) | 74μs |
1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.12%) | 46μs |
1 x afterDispatch (2.25KB) (0.1%) | 41μs |
1 x After Access::getAssetRules (id:15029 name:com_content.article.18994) (7.38KB) (0.1%) | 39μs |
1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.02%) | 8μs |
SELECT @@SESSION.sql_mode;
33μs968B/libraries/src/Session/MetadataManager.php:184CopySELECT `session_id`
FROM `incbmx_session`
WHERE `session_id` = :session_id LIMIT 1
74μs1.3KBParams/libraries/src/Session/MetadataManager.php:187CopyINSERT INTO `incbmx_session`
(`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES
(:session_id, :guest, :time, :user_id, :username, :client_id)
187μs944BParams/libraries/src/Session/MetadataManager.php:260CopySELECT `id`,`rules`
FROM `incbmx_viewlevels`
49μs656B/libraries/src/Access/Access.php:955CopySELECT `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` = :guest
80μs1.64KBParams/libraries/src/Access/Access.php:868CopySELECT `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`
181μs3.86KBParams/libraries/src/Categories/Categories.php:375CopySELECT `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)
301μs7.44KBParams/libraries/src/Access/Access.php:357CopySELECT `id`,`name`,`rules`,`parent_id`
FROM `incbmx_assets`
WHERE `name` LIKE :asset OR `name` = :extension OR `parent_id` = 0
8.65ms1.46MBParams/libraries/src/Access/Access.php:301CopySHOW FULL COLUMNS FROM `incbmx_content`
279μs2.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587CopyUPDATE `incbmx_content`
SET `hits` = (`hits` + 1)
WHERE `id` = '18994'
133μs48B/libraries/src/Table/Table.php:1348CopySELECT `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)
158μs6.12KBParams/components/com_content/src/Model/ArticleModel.php:215CopySELECT `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`
186μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT `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)
227μs3.97KBParams/libraries/src/Helper/TagsHelper.php:388CopySELECT `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`
181μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT 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)) AND `a`.`access` IN (:preparedArray3,:preparedArray4)) AND
(`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray5,:preparedArray6)) 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 ASC
382μs4.75KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:164CopySELECT `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`
177μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT `name`,`element`
FROM `incbmx_extensions`
WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1
137μs1.89KB/administrator/components/com_finder/src/Helper/LanguageHelper.php:135CopySELECT `title`
FROM `incbmx_finder_taxonomy`
WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)
88μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325CopySELECT *
FROM `incbmx_schemaorg`
WHERE `itemId` = :itemId AND `context` = :context
64μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:403CopySELECT `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)
172μs6.17KBParams/components/com_content/src/Model/ArticleModel.php:215CopySELECT 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` = 1
73μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:465Copy