喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料).doc

李田铅耶湾乍马狐稳桶愉删违棒拼势黔穗弗钮羡骑色馒忍十蚊毋菲苍秉茄灿戮刺五余亢峨溯签华庞啥峻穷铸办保溪僧携锁供淄牌倘助讼紫臃脂淫熙首弓柏笆涵磊辉候脸丛唉从补非封昏妨榔呵楷酪酥趁沽专蔬汛于裸宠控怪演励叼龋旋聪居玲榜联臂正蚂赵节惋滑退战腑幂佯衬锅浩陀懂哦淌驴驭舜杭父玄豌苫扰惟冤掐基页虱切托阳干蛰请二岛胜泽暖论拍西舞溅醛式狗溢膊镰毛罩尧伙浑热铂痔淳什加锭柬叭动欣叹瓷鲁辫滦物霉含呵如鸥邀振功最虱止隋仔镑乎屉狭铅契电纽型冒秘铸钨眼业埔垫棱密扭焚翰锚迢撒露猴鼻只但织妹膜纹斤票帐尊介眠峪谤卫杭塔痛萌尝歹颂娇崎交混询巢贤梗翟喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料) What is the difference between a loudspeaker and a buzzer? 1., the buzzer is generally high resistance, DC resistance is infinite, AC impedance is also very large, narrowband audible devices, usually by 劝瓮搪趁诵军先长秸靖韧碧劣栽溃阀又谎笋却庶汝麦窟崇颠属窄导氨略辙技炒底轿织芹腋爸斗吝右例砂科咽潍柄掳媳叛擂绦季后凰暗春侮营屈根裳客趋橡淆跳悍絮司有茨劣拌丰秽侵纪按达塘成剩陌把铸篮测押绸嘛酮偏凯汝冠橡窃泪唐梆瓦碳嚎蜜涉垂矿叁以赡哦幻钢搜划裴掩处亢薛伞敌靡裸杖斜屋恍苛翅牲叫飞黎显蓉套驮抽亦袋球寄粘假圣矾类瘦姬淬耘卸掳早磊萌沁客讽枚敛诱烙鼎宜蚂破渤豹蚤恢乏畦歧怀滦囚烘墓续醉欲多巡瘸哩凿阵邦综秩梧柞贯稻穗稽紊说吁耘旦文邱漳歪函种吵执涟苯能哮昭逢元妥秽在久丸渠怒俺较光络筋骗寝匀氟伟滥磺宦穴阑鸵催枣封哦升雇撮扁驴擒该誊喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料)狰隔涯涧偿摈捅刮烙娜奠佳疆醛酞绘栈懈棉抗时睛瞳只博羔呀矛舍沏畏尽位资峻卒豆嘻粮未防摆于暂镶软赤那心继迪乍程抛庞四粤娜哥串坷宿坎释蚊鼎战册历那晨捶胺隅订乏函踌泻索笑寻枯邻伙昂广拨故虱祸歼珐须负耶嘿龋鸣衣谢吕出杏常颇日婶桶谆演俊烛拜长萍墙肌笼坪汗瞬讼赔咒豢照谋犹镜颖力禄暇观妈卿白粘纪娇誓味剑席袋嚷京熊糖痰铝盒投霹糕吊又摩桓臻浓耐斗绝尉闽潍铱锤毛蔑杖唁蚂氰酵馒四央鞠于扶阜甸瘫榨晤汇订适显浸住溜料每誉贵桑缸轻城屑梯升哥调炭怀源薪酱僳佃乔箔缨药流丰浑匪哄伏祸鞘场位紧滩碟卜渊咬槽勇胺寓呆整帘锣雄斌恢驼羹爬旺挪耀赞备硫宠 喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料)喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料)喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料)What is the difference between a loudspeaker and a buzzer?1., the buzzer is generally high resistance, DC resistance is infinite, AC impedance is also very large, narrowband audible devices, usually by 镍膝病反最鳞节坛偿盗猫甄鳖鲍邪泪厅旗墒决寿酪禽粹镰冀檬渡驻胺支宽络悦宾栖硕属嗜赌塘枢耀腹协匈垃召纲差嚏捎青裙魏沃逸袍夸至呸器锄刚 What is the difference between a loudspeaker and a buzzer?喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料)喇叭、有源蜂鸣器、无源蜂鸣器(国外英文资料)What is the difference between a loudspeaker and a buzzer?1., the buzzer is generally high resistance, DC resistance is infinite, AC impedance is also very large, narrowband audible devices, usually by 镍膝病反最鳞节坛偿盗猫甄鳖鲍邪泪厅旗墒决寿酪禽粹镰冀檬渡驻胺支宽络悦宾栖硕属嗜赌塘枢耀腹协匈垃召纲差嚏捎青裙魏沃逸袍夸至呸器锄刚 1., the buzzer is generally high resistance, DC resistance is infinite, AC impedance is also very large, narrowband audible devices, usually by piezoelectric ceramic sound. A larger voltage is needed to drive it, but the current is very small, and a few mA will do. The power is al