| 摘要 |
PROBLEM TO BE SOLVED: To provide a small-sized multi-band PLL circuit for a 7 GHz band and a 10 GHz band that eliminates the need for individual provision of the configuration for the 7 GHz band and the 10 GHz band. SOLUTION: A PLL control section 8 is used in common for the 7 GHz band and the 10 GHz band and provided with changeover devices 7, 11 that select the input and a loop filter. |
