| 摘要 |
PROBLEM TO BE SOLVED: To provide a synchronous circuit which can reduce the circuit scale to reduce the power consumption. SOLUTION: In this circuit, a reference long code generation part 4 outputs a long code, whose advance/delay to a reception spread code is controlled, in accordance with a phase advance/delay control signal inputted from a search control part 3. A correlator 1 calculates a correlation value between this long code and the reception spread signal, and a correlation value storage part 2 stores this correlation value, and the search control part 3 retrieves maximum one from correlation values stored in the correlation value storage part 2. The phase difference for acquisition of this correlation value is taken as a phase difference of the reception spread signal to achieve synchronization. |
