崇明区制造AD16系列蜂鸣器推荐厂家

   蜂鸣器 拔下电源线，用镊子短路三脚插头的两个供电插脚，测另一头三芯插孔的两个供电插孔间的电阻为零，拿开镊子时电阻变为无穷大，说明电源供电线完好，不存在开路和短路故障。测电脑电源各输出脚对地间的电压全部为0V，在紫线与黑线间测不到5V待机电压，绿线与黑线间电压也为0V。拆开电脑电源盒，测电源输入端正反向电阻均为无穷大，测TUBE6A保险丝烧断。测C121两端正向电阻为无穷大，反向电阻为487Ω。C122两端正反向电阻都为13Ω。沿电路找到并联在C121两端的压敏保护电阻RV121(TVR10241X)由黄色变为红色，并被烧缺一块。RV122(TVR10241X)直接被击穿为13Ω，但仍为黄色。测查所有晶体管和大功率管及输出电路的所有整流二极管和滤波电容，对可疑元件逐一拆下检测，未找到击穿、漏电或开路元件。由电路的连接方式可以推断出，TVR10241X的保护电压应该是MYC10K471保护电压的一半。用一个MYG10K471彩电整流滤波输出端的保护压敏电阻，一脚焊接到C121的正极，一脚焊接到C122的负极，将两个串联保护的压敏电阻改为一个，以提高保护的灵敏度和可靠性，更换保险。通电测C121和C122两端的电压分别依次为156V，MYG10K471两端的电压为313V，比彩电中该电阻两端电压298V高5V。压电蜂鸣片是将高压极压化后的压电陶瓷片黏贴于振动金属片上。崇明区制造AD16系列蜂鸣器推荐厂家

    -0001Molex44428-1601Molex502382-0870Molex52559-0672Molex35189-0361Molex38770-0116Molex43031-0001Molex44428-1602Molex502382-0970Molex52559-0853Molex35189-0393Molex38770-0118Molex43031-0002Molex44428-1603Molex502382-1370Molex52559-0870Molex35191-0200Molex38770-0120Molex43031-0003Molex44428-1802Molex502382-1470Molex52559-1052Molex35196-0110Molex38770-0122Molex43031-0004Molex44428-2403Molex502382-1570Molex52559-1072Molex35196-0211Molex38770-0124Molex43031-0005Molex44432-0401Molex502386-0270Molex52559-1072Molex35196-0212Molex38770-0130Molex43031-0006Molex44432-0402Molex502386-0570Molex52559-1252Molex35196-0214Molex38770-0203Molex43031-0006Molex44432-0403Molex502386-0670Molex52559-1272Molex35196-0294Molex38770-0206Molex43031-0007散粒=43031-0001卷带Molex44432-0601Molex502386-0770Molex52559-1452Molex35199-0400Molex38770-0207Molex43031-0008Molex44432-0602Molex502386-0870Molex52559-1472Molex35199-0500Molex38770-0209Molex43031-0009Molex44432-0801Molex502386-1070Molex52559-1853Molex35200-1000Mol。嘉定区主营AD16系列蜂鸣器厂家电磁式蜂鸣器 电磁式蜂鸣器由振荡器、电磁线圈、磁铁、振动膜片及外壳等组成。

    34695-0100Molex38723-6502Molex41671-0011Molex39501-1016Molex501616-3585Molex52045-3045Molex34696-0100Molex38723-6504Molex41671-0023Molex39501-1017Molex501616-3985Molex52045-3245Molex34729-0080Molex38723-6506Molex41791-0774Molex39501-1018Molex501616-4185Molex52045-3645Molex34729-0120Molex38723-6510Molex41791-0832Molex39501-1019Molex501616-4585Molex52045-4045Molex34729-0121Molex38723-6702Molex41791-0834Molex39501-1020Molex501616-5185Molex52089-0519Molex34729-0160Molex38723-6703Molex41791-0853Molex39502-1002Molex501628-2191Molex52089-0719Molex34729-0200Molex38723-6705Molex41792-0511Molex39502-1003Molex501628-2791Molex52089-0819Molex34729-0201Molex38724-4908Molex41792-0515Molex39502-1004Molex501628-3191Molex52089-1219Molex34729-0202Molex38724-4912Molex41792-0530Molex39502-1005Molex501628-3391Molex52089-1419Molex34729-0203Molex38725-0004Molex41792-0532Molex39502-1006Molex501628-3591Molex52089-1619Molex34803-0211Molex38725-1114Molex42228-0494Molex39502-1007Molex501628-3991Molex52089-1719Mo。

    ex52746-2070Molex35718-0810Molex39-00-0211Molex43045-1019Molex44812-0006Molex503151-5009Molex52746-2071Molex35718-0910Molex39-00-0212Molex43045-1020Molex44812-0008Molex503154-1090Molex52760-2079Molex35718-1010Molex39-00-0213Molex43045-1021Molex44812-0009Molex503154-1290Molex52793-0470Molex35718-1210Molex39-00-0214Molex43045-1022Molex44812-0010Molex503154-1690Molex52793-0570Molex35718-1510Molex39-00-0215Molex43045-1023Molex44812-0012Molex503154-2090Molex52793-0670Molex35718-2110Molex39-00-0215Molex43045-1024Molex44812-0020Molex503154-2490Molex52793-0870Molex35720-1210Molex39-00-0216Molex43045-1025Molex44812-0021Molex503154-2890Molex52793-0970Molex35720-1610Molex39-00-0217Molex43045-1026Molex44812-0022Molex503159-0800Molex52793-1070Molex35725-1810Molex39-00-0218Molex43045-1027Molex44812-0023Molex503182-0852Molex52793-1270Molex35725-2411Molex39-00-0219Molex43045-1028Molex44812-0024Molex503182-0852Molex52793-1470Molex35725-2610Molex39-00-0220Molex43045-1200Molex44812-0025Molex503182-0892。产品的整个频率和声压的响应曲线与间隙值、钼片的固有振动频率（可粗略折射为小钼片的厚度）。

    美国）Molex39-53-2124Molex501953-0307Molex52271-0879Molex35155-0300Molex38741-6602Molex43020-0601Molex39-53-2125Molex502046-2070Molex52271-0879Molex35155-0400Molex38741-6603Molex43020-0800Molex39-53-2135Molex502046-3070Molex52271-0979Molex35155-0500Molex38741-9802Molex43020-0801Molex39-53-2144Molex502046-4070Molex52271-1069Molex35155-0590Molex38742-1404Molex43020-1000Molex39-53-2145Molex502078-2110Molex52271-1079Molex35155-0600Molex38749-0001Molex43020-1001Molex39-53-2154Molex502078-2510Molex52271-1179Molex35155-0700Molex38749-0099Molex43020-1200Molex39-53-2155Molex502078-3310Molex52271-1269Molex35155-0800Molex38749-0181Molex43020-1200Molex39-53-2164Molex502078-3910Molex52271-1279Molex35155-0810Molex38749-0183Molex43020-1201Molex39-53-2165Molex502078-5110Molex52271-1379Molex35155-0900Molex38749-0185Molex43020-1400Molex39-53-2174Molex502118-5090Molex52271-1469Molex35155-1000Molex38749-0188Molex43020-1401Molex39-53-2175Molex50212-8000Molex52271-1479Molex35155-1100Molex38750-0106Molex43。单片机应用的设计上，很多方案都会用到蜂鸣器，大部分都是使用蜂鸣器来做提示或报警。嘉定区主营AD16系列蜂鸣器厂家

AD16-30系列蜂鸣器寿命长，耗能低，体积小，重量轻，可靠性好，造型美观和制造精巧。崇明区制造AD16系列蜂鸣器推荐厂家

    振荡回路30会根据第二开关管q2和第三开关管q3的状态变化而改变振荡回路，振荡回路改变时，电容c1两端的压差由2*vcc变为4*vcc，增加了蜂鸣器两端的压差变化。本发明的有益效果：1.上述蜂鸣器驱动电路由电感l1、第二点l2和电容c1组成的振荡回路驱动蜂鸣器，同时由第三电感l3和第二开关管q2、第三开关q3组成的振荡控制电路对所述振荡回路进行稳定的闭环控制，使振荡回路工作时的振荡波形稳定，在蜂鸣器两端产生标准正弦波，驱动蜂鸣器发声，无需mcu输出pwm来驱动蜂鸣器，从而减少mcu的io口占用，节省了主控mcu的资源；此外，标准正弦波作用于蜂鸣器两端，蜂鸣器发出的声音比由pwm方波驱动的蜂鸣器发出的声音效果更好，没有杂音，从而改善蜂鸣器音质。2.第二开关管q2、第三开关q3会同步振荡频率改变振荡电路，从而引起蜂鸣器两端更大的变化，增加了蜂鸣器两端的压差，进而增强了蜂鸣器的音量。3.上述蜂鸣器驱动电路包括电源控制电路10，电源控制电路10根据mcu产生简单的高低电平控制所述蜂鸣器驱动电路是否对gnd形成回路从而控制蜂鸣器的工作状态，确保了整个电路的可控性和有效性，整个控制过程可靠且迅速。崇明区制造AD16系列蜂鸣器推荐厂家