电(dian)压馈(kui)电(dian)串联谐振(zhen)半桥拓扑这(zhei)(zhei)种拓扑如(ru)图(tu) 16.23 所示(shi)。运用于交流(liu)输(shu)入(ru)为230V 的(de)场(chang)...电(dian)压馈(kui)电(dian)串联谐振(zhen)半桥拓扑这(zhei)(zhei)种拓扑如(ru)图(tu) 16.23 所示(shi)。运用于交流(liu)输(shu)入(ru)为230V 的(de)场(chang)所，它的(de)优点是去掉(diao)了交流(liu)整流(liu) 后(hou)串联的(de)滤波电(dian)感并降低(di)了 PFC模块关(guan)断晶体管的(de)直流(liu)...
(l)选用电阻时，电阻的(de)(de)首(shou)要(yao)参(can)数(shu)分类（包括标称(cheng)阻值(zhi)、额定(ding)(ding)功(gong)(gong)率和容许(xu)过错(cuo)）有必(bi)...(l)选用电阻时，电阻的(de)(de)首(shou)要(yao)参(can)数(shu)分类（包括标称(cheng)阻值(zhi)、额定(ding)(ding)功(gong)(gong)率和容许(xu)过错(cuo)）有必(bi)要(yao)满足实验和设汁(zhi)的(de)(de)需(xu)要(yao)。格外(wai)是(shi)电阻的(de)(de)额定(ding)(ding)功(gong)(gong)率·般(ban)恳求大干实习T作(zuo)值(zhi)的(de)(de)l~2倍。 (2...
变(bian)(bian)(bian)压器(qi)是电(dian)磁能量转换(huan)(huan)器(qi)件，根(gen)据(ju)电(dian)磁感(gan)应原(yuan)理制作而成。变(bian)(bian)(bian)压器(qi)的最(zui)基本(ben)形(xing)式，包...变(bian)(bian)(bian)压器(qi)是电(dian)磁能量转换(huan)(huan)器(qi)件，根(gen)据(ju)电(dian)磁感(gan)应原(yuan)理制作而成。变(bian)(bian)(bian)压器(qi)的最(zui)基本(ben)形(xing)式，包括两组(zu)绕(rao)有导(dao)线(xian)(xian)的线(xian)(xian)圈，并且彼(bi)此电(dian)感(gan)方(fang)式耦合在-起。当一个(ge)交流电(dian)流（具有某一已知...
(1)通过(guo)调(diao)节(jie)线(xian)(xian)圈(quan)巾磁芯(xin)或铜芯(xin)的(de)(de)相对位(wei)置改变(bian)线(xian)(xian)电感量； (2)通过(guo)滑动(dong)(dong)在线(xian)(xian)圈(quan)触点...(1)通过(guo)调(diao)节(jie)线(xian)(xian)圈(quan)巾磁芯(xin)或铜芯(xin)的(de)(de)相对位(wei)置改变(bian)线(xian)(xian)电感量； (2)通过(guo)滑动(dong)(dong)在线(xian)(xian)圈(quan)触点~f位(wei)置来改变(bian)线(xian)(xian)圈(quan)匝数，从而改变(bian)电感量； (3)将(jiang)两个(ge)串联线(xian)(xian)圈(quan)的(de)(de)相位(wei)置进(jin)行均匀改变(bian)...
因为(wei)(wei)NMOS耗尽(jin)管(guan)的(de)阈值电压为(wei)(wei)负(fu)值，并(bing)且(qie)具有(you)负(fu)温度(du)系数(shu)(shu)，因此(ci)由式(1)可知，耗尽(jin)...因为(wei)(wei)NMOS耗尽(jin)管(guan)的(de)阈值电压为(wei)(wei)负(fu)值，并(bing)且(qie)具有(you)负(fu)温度(du)系数(shu)(shu)，因此(ci)由式(1)可知，耗尽(jin)管(guan)电流随温度(du)上升而变大。同时(shi)将(jiang)该输出(chu)接到基准电源第二级(ji)电路中M2管(guan)的(de)栅极(ji)，减(jian)弱了...
开(kai)关电(dian)(dian)(dian)源的主要电(dian)(dian)(dian)路(lu)是(shi)由输入电(dian)(dian)(dian)磁干扰滤波(bo)器（EMI）、整流滤波(bo)电(dian)(dian)(dian)路(lu)、功(gong)率变换电(dian)(dian)(dian)...开(kai)关电(dian)(dian)(dian)源的主要电(dian)(dian)(dian)路(lu)是(shi)由输入电(dian)(dian)(dian)磁干扰滤波(bo)器（EMI）、整流滤波(bo)电(dian)(dian)(dian)路(lu)、功(gong)率变换电(dian)(dian)(dian)路(lu)、PWM控(kong)制器电(dian)(dian)(dian)路(lu)、输出整流滤波(bo)电(dian)(dian)(dian)路(lu)组成。 IC根据(ju)输出电(dian)(dian)(dian)压和(he)电(dian)(dian)(dian)流时刻调整着(zhe)⑥脚(jiao)锯...
