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晶體管開關穩壓電源應用電路實例晶體管開關穩壓電源應用得比較普遍,如圖所示即是一個具體的電路實例。圖中,變壓器T、二極體VD1~VD4和電容器C5組成整流濾波電路;電阻R7、R8和電位器R9串聯組成取樣……...