mach khuyet dai
em dang chuan be lam mach khuech dai nhung thay cho cac thong so nhu:AV>=60,ZI>=2.5K,BW=20Hz denKHz may a cho em biet phai dung tranistor gi va cac thong so cua cac linh kien trong mach de dap ung du thong so tren.em chan thanh cam on. neu dc co the gui wa mail cho em:ngosang32@yahoo.com.
em dang chuan be lam mach khuech dai nhung thay cho cac thong so nhu:AV>=60,ZI>=2.5K,BW=20Hz denKHz may a cho em biet phai dung tranistor gi va cac thong so cua cac linh kien trong mach de dap ung du thong so tren.em chan thanh cam on. neu dc co the gui wa mail cho em:ngosang32@yahoo.com.
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