| 摘要 |
PURPOSE:To prevent malfunction due to noise at input interruption and also to attain freely the setting of duty by using two comparators and a flip-flop. CONSTITUTION:An input sinusoidal wave is inputted to the two comparators COMP1, COMP2 via a transformer Tr. The threshold level of the comparator COMP1 is V1 and that of the COMP2 is V2. An output of both comparators is inputted respectively to the flip-flop FF. Then, even if the threshold level of the comparators is set to a considerably high level, the duty is not deteriorated. |
