wherein by controlling at least one of the first and the second adjusting circuit, the phase difference between {HEAD ~ the positive signal} and {TAIL ~ the negative signal} reaches a predetermined condition 
wherein by controlling at least one of the first and the second adjusting circuit , the phase difference between { HEAD ~ the positive signal } and { TAIL ~ the negative signal } reaches a predetermined condition
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH