| 摘要 |
PURPOSE:To ensure a reproduction repeating with reduced distortion with a simple circuit by deciding the time position of the reproduction pulse through utilization of the suddenness of the pulse fall. CONSTITUTION:The pulse train supplied through terminal 1 is sent to identification circuit 6 possessing a fixed identification level decided previously, and the input pulse is sliced with the identification level with the part exceeding the identification level extracted. This output is differentiated 7 to extract the time position at the fall part of the pulse waveform. Then the mono-multi forming pulse reproduction circuit 8 is started by the pulse of the fall part among the differential pulses, thus obtaining the output pulse train featuring the fixed duration. In such way, the time position of the reproduction pulse can be decided by utilizing the suddenness of the pulse fall, and the reproduction repeating with reduced distortion is ensured with a simple circuit. |
