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分立元件可调稳压电源电路全解析
更新时间:2026-06-25 17:18:28
做电子DIY、单片机供电、设备调试时,0~12V连续可调稳压电源是必备工具。今天给大家拆解这款纯分立元件的线性稳压电路,全部由三极管、普通阻容元件组成,没有专用...
可调稳压电源
【经典拆解】KA3842电动车充电器全电路详解|原理+故障维修全梳理
更新时间:2026-06-25 16:12:29
电动车充电器是我们最常见的开关电源,也是新手学习开关电源的最佳案例。今天给大家完整拆解这款KA3842主控+LM358转灯控制的经典电动车充电器电路,从220V...
KA3842
【开关电源】PN8135H反激双路输出电源电路详解
更新时间:2026-06-25 16:11:03
在工控、仪表、控制板供电里,小体积、双路隔离输出的开关电源非常实用。今天给大家拆解这款基于PN8135H电源芯片的反激式开关电源,可同时输出+12V、-15V双...
开关电源
实用干货|12V输入过压保护电路完整解析(LM393+PMOS架构)
更新时间:2026-06-25 16:09:10
很多车载设备、工控模块、单片机系统都是12V供电,一旦电源异常升压,很容易直接烧毁后级贵重负载。今天给大家拆解这款LM393电压比较器+IRF9530 P沟道M...
过压保护
LM393
PMOS
经典长虹CRT彩电STV8172A场输出电路详解|老电视维修必懂
更新时间:2026-06-25 16:07:41
在老式长虹CHD系列CRT电视里,STV8172A场输出芯片是故障率最高、维修最常见的电路之一。它负责驱动显像管的场偏转线圈,实现画面垂直扫描,一旦它出问题,就...
长虹CRT彩电
NE5532高低音二分频电路详解
更新时间:2026-06-25 16:06:35
大家好,今天给大家拆解一个经典又好用的音频电路——NE5532高低音二分频电路。玩音响、做DIY功放的朋友对它一定不陌生,它能把单声道音频信号干净地分成低频和高...
NE5532
LM1875双管并联100W功放电路详解
更新时间:2026-06-25 16:04:11
很多音响DIY爱好者都偏爱LM1875功放,单块芯片音质温润、故障率低,想要大功率就采用两块LM1875并联扩流。今天拆解这款由NE5532前级+双LM1875...
LM1875
一个继电器+电容,实现汽车转向灯自动闪烁
更新时间:2026-06-23 02:42:34
今天我们来拆解一个结构极简、却能稳定实现汽车转向灯闪烁的经典电路。它只用了继电器、电容、电阻和二极管,就能让转向灯自动一亮一灭,是电子爱好者入门级的“自激振荡”...
转向灯
UC3842反激12V1A开关电源详解|输出R12假负载作用全解析
更新时间:2026-06-23 02:41:50
一、整体电路框架拆分 本电源是UC3842经典反激式隔离开关电源,输入AC220V、输出DC12V/1A,整图分成4大模块:EMI输入整流滤波、原边PWM主控(...
UC3842
电子入门两款分立元件小电路详解|声控闪光灯+音乐门铃
更新时间:2026-06-22 18:32:50
新手想学三极管模拟电路,不用复杂单片机,两套纯分立元件小制作就能吃透信号放大与LC音频振荡,元件便宜、焊接简单,洞洞板随手就能做,今天一次性讲透原理、元件作用与...
三极管
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请求信息 : 2026-06-26 09:11:14 HTTP/2.0 GET : www.0099.net.cn/docs/
运行时间 : 0.066641s [ 吞吐率:15.01req/s ] 内存消耗:3,950.75kb 文件加载:89
查询信息 : 3 queries 0 writes
缓存信息 : 0 reads,1 writes
配置加载 : 76
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[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000062s ]
[ CACHE ] INIT File
[ BEHAVIOR ] Run \addons\famysql\Famysql @app_init [ RunTime:0.003718s ]
[ BEHAVIOR ] Run \addons\qrcode\Qrcode @app_init [ RunTime:0.001327s ]
[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.001408s ]
[ BEHAVIOR ] Run app\common\behavior\Common @app_init [ RunTime:0.000784s ]
[ LANG ] /www/wwwroot/0099.net.cn/thinkphp/lang/zh-cn.php
[ BEHAVIOR ] Run app\common\behavior\Common @app_dispatch [ RunTime:0.000044s ]
[ ROUTE ] array ( 'type' => 'module', 'module' => array ( 0 => 'index', 1 => 'doc', 2 => 'index', ), 'convert' => false, )
[ HEADER ] array ( 'host' => 'www.0099.net.cn', 'referer' => 'https://www.0099.net.cn/docs/detail/14', 'accept-encoding' => 'gzip, br, zstd, deflate', 'user-agent' => 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)', 'accept' => '*/*', 'content-length' => '', 'content-type' => '', )
[ PARAM ] array ( )
[ LANG ] /www/wwwroot/0099.net.cn/public/../application/index/lang/zh-cn.php
[ BEHAVIOR ] Run app\common\behavior\Common @module_init [ RunTime:0.002526s ]
[ BEHAVIOR ] Run \addons\clicaptcha\Clicaptcha @action_begin [ RunTime:0.000068s ]
[ BEHAVIOR ] Run \addons\epay\Epay @action_begin [ RunTime:0.001752s ]
[ RUN ] app\index\controller\Doc->index[ /www/wwwroot/0099.net.cn/application/index/controller/Doc.php ]
[ DB ] INIT mysql
[ VIEW ] /www/wwwroot/0099.net.cn/public/../application/index/view/doc/index.html [ array ( 0 => 'list', ) ]
[ BEHAVIOR ] Run \addons\betterform\Betterform @view_filter [ RunTime:0.000095s ]
[ BEHAVIOR ] Run \addons\clicaptcha\Clicaptcha @view_filter [ RunTime:0.000072s ]
0.070279s