| 摘要 |
PURPOSE:To simplify the adjustment and to prevent mis-adjustment by automating the delay adjustment between carriers implemented at system built-up or the like. CONSTITUTION:An absolute delay detection circuit 11 receives data signal strings D1-Dn demodulated from a signal sent via a standby line with n-sets of carriers and frame synchronization pulses F1-Fn to be recovered respectively and detects a data signal string latest and sends information Sa. A relative delay detection circuit 12 receives a data signal string, a frame synchronization pulse and the information Sa and detects a relative delay difference of the n-sets of data signal strings based on a data signal string latest to generate delay control data S1-Sn. A delay data storage circuit 13 stores the delay control data and sends it, Delay circuits 1-n give each data signal string and a frame synchronization pulse in response to the delay control data S1-Sn to make the delay difference between the n-sets of data signal strings coincident with each other. |
