Readings demonstrate the productive voltage dependant on the typical price of samples around a whole quantity of periods of the basic frequencyx? s? hôm nayxsmtsxmtx? s? mi?n trungk?t qu? x? s? mi?n trungkqxsmtxsmt hôm nayx? s? mi?n trung hôm nayx? sô hôm nayB?m ? ?? theo dõi VOH trênOscilloscope people know the way difficult triggering may