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從東沃(wo)GPS接(jie)口(kou)浪(lang)(lang)湧(yong)靜(jing)電(dian)(dian)(dian)(dian)保(bao)護(hu)方案設計圖可(ke)知,東沃(wo)電(dian)(dian)(dian)(dian)子(zi)技術從兩個(ge)方面進(jin)行浪(lang)(lang)湧(yong)靜(jing)電(dian)(dian)(dian)(dian)防護(hu):壹(yi)個(ge)是(shi)對內饋(kui)直流(liu)(liu)電(dian)(dian)(dian)(dian)源進(jin)行浪(lang)(lang)湧(yong)防護(hu),另(ling)壹(yi)個(ge)是(shi)對射(she)頻信號進(jin)行防護(hu)。壹(yi)級電(dian)(dian)(dian)(dian)源防護(hu),東沃(wo)技術推(tui)薦選用半導體放(fang)電(dian)(dian)(dian)(dian)管(guan)P0080SC,用于吸收(shou)雷擊或大浪(lang)(lang)湧(yong)電(dian)(dian)(dian)(dian)流(liu)(liu)。饋(kui)電(dian)(dian)(dian)(dian)部分防護(hu)選用單向瞬態抑(yi)制TVS二極管(guan)SMBJ6.0A和肖特(te)基二極管(guan)B0520W,可(ke)有(you)效保(bao)護(hu)後(hou)端(duan)LDO芯(xin)片免受浪(lang)(lang)湧(yong)的沖擊。
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