Amplificador de transistor de alta impedancia (CIR18238S)

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

 

Con este circuito de 1 transistor tenemos una alta impedancia de entrada y una buena ganancia. El circuito es de una publicación de 1985 y el transistor puede ser cualquier NPN de propósito general como el BC548. El circuito funciona con señales de audio de hasta unos pocos megahertz.

 

Amplificador de transistor de alta impedancia
Amplificador de transistor de alta impedancia

 

 

 

pcbway_012_2024

Buscador de Datasheets


N° de Componente 

Banco de Circuitos

J! InfoRequestSessionProfileQueries14
18.813MBMemory Usage32.62msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.16
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" => 1742284680 "last" => 1742284680...
registry
array:3 [ "data" => [] "initialized" => false "separator" => "." ]
user
array:21 [ "id" => 0 "name" => null "username" => null "email" => null "password" => "***r...
  • afterLoad (85.67KB) (316μs)
  • afterInitialise (1.14MB) (3.62ms)
  • afterRoute (89.95KB) (773μs)
  • beforeRenderComponent com_content (100.41KB) (430μs)
  • Before Access::preloadComponents (all components) (33.45KB) (202μs)
  • After Access::preloadComponents (all components) (107.06KB) (358μs)
  • Before Access::preloadPermissions (com_content) (1.57KB) (9μs)
  • After Access::preloadPermissions (com_content) (16.19MB) (18.52ms)
  • Before Access::getAssetRules (id:21060 name:com_content.article.24867) (514.65KB) (575μs)
  • After Access::getAssetRules (id:21060 name:com_content.article.24867) (7.38KB) (32μs)
  • afterRenderComponent com_content (18.47KB) (1.2ms)
  • afterDispatch (2.28KB) (51μs)
  • beforeRenderRawModule mod_articles_category (Banco de Circuitos) (409.41KB) (1.64ms)
  • afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (327μs)
  • beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (90μs)
  • afterRenderRawModule mod_finder (Busca_inteligente) (64.76KB) (1.14ms)
  • beforeRenderModule mod_articles_category (Banco de Circuitos) (10.1KB) (556μs)
  • afterRenderModule mod_articles_category (Banco de Circuitos) (5.39KB) (66μs)
  • beforeRenderModule mod_finder (Busca_inteligente) (6.39KB) (183μs)
  • afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (47μs)
  • afterRender (157.46KB) (2.38ms)
  • 1 x After Access::preloadPermissions (com_content) (16.19MB) (56.78%)
    18.52ms
    1 x afterInitialise (1.14MB) (11.11%)
    3.62ms
    1 x afterRender (157.46KB) (7.29%)
    2.38ms
    1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (409.41KB) (5.02%)
    1.64ms
    1 x afterRenderComponent com_content (18.47KB) (3.68%)
    1.20ms
    1 x afterRenderRawModule mod_finder (Busca_inteligente) (64.76KB) (3.48%)
    1.14ms
    1 x afterRoute (89.95KB) (2.37%)
    773μs
    1 x Before Access::getAssetRules (id:21060 name:com_content.article.24867) (514.65KB) (1.76%)
    575μs
    1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (10.1KB) (1.7%)
    556μs
    1 x beforeRenderComponent com_content (100.41KB) (1.32%)
    430μs
    1 x After Access::preloadComponents (all components) (107.06KB) (1.1%)
    358μs
    1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (1%)
    327μs
    1 x afterLoad (85.67KB) (0.97%)
    316μs
    1 x Before Access::preloadComponents (all components) (33.45KB) (0.62%)
    202μs
    1 x beforeRenderModule mod_finder (Busca_inteligente) (6.39KB) (0.56%)
    183μs
    1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.28%)
    90μs
    1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.39KB) (0.2%)
    66μs
    1 x afterDispatch (2.28KB) (0.16%)
    51μs
    1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.14%)
    47μs
    1 x After Access::getAssetRules (id:21060 name:com_content.article.24867) (7.38KB) (0.1%)
    32μs
    1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.03%)
    9μs
14 statements were executed9.14ms1.49MB
  • SELECT @@SESSION.sql_mode;32μs968B/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)146μs944BParams/libraries/src/Session/MetadataManager.php:260Copy
  • SELECT `id`,`rules` FROM `incbmx_viewlevels`49μs656B/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` = :guest65μs1.64KBParams/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`194μs3.86KBParams/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)212μs7.44KBParams/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` = 07.49ms1.46MBParams/libraries/src/Access/Access.php:301Copy
  • SHOW FULL COLUMNS FROM `incbmx_content`333μs2.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587Copy
  • UPDATE `incbmx_content` SET `hits` = (`hits` + 1) WHERE `id` = '24867'167μs48B/libraries/src/Table/Table.php:1348Copy
  • SELECT `name`,`element` FROM `incbmx_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1157μs608B/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)91μs648B/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:403Copy
  • 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` = 172μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:465Copy