| 摘要 |
<p>PURPOSE:To provide the stuff synchronizing circuit which is used for synchronization and multiplexing of a PCM signal, and can separate data having no jitter. CONSTITUTION:The circuit is provided with a voltage control oscillator 4 for generating a clock Ccl of a low order group, and a stuffing pulse reproducing circuit 5 for reproducing a reproducing stuffing pulse BCsf from the clock Ccl of the low order group and a received clock Cch of a high order group. Also, the reproducing stuffing pulse BCsf and a receiving stuffing pulse Csf are inputted to a PLL(phase lock loop) containing the voltage control oscillator 4, and control is executed so that its phase difference becomes a prescribed value.</p> |
