| 摘要 |
本发明提供一种振荡装置，其课题在于，在具备用以产生时脉的晶体振子及振荡电路的振荡装置中，增大所使用的晶体振子的自由度。本发明构成如下装置，该装置具备：电压控制振荡器；锁相环路电路，包含数位电路；晶体振子及振荡电路；数位控制电路，用以进行振荡电路的振荡参数的设定及锁相环路电路的参数的设定；及时脉切换部，在电源接通时，将电压控制振荡器的输出信号作为时脉信号供给至数位控制电路，数位控制电路藉由时脉信号而动作，在数位控制电路设定振荡电路的振荡参数之后，振荡电路的输出信号作为时脉信号被供给至数位控制电路。; a PLL circuit including a digital circuit; the crystal vibrator and the oscillating circuit; a digital control circuit for setting of an oscillating parameter of the oscillating circuit, and a parameter of the PPL circuit; and a clock switching portion configured to supply an output signal of the voltage controlled oscillator to the digital control circuit as a clock signal so as to cause the digital control circuit to operate using the clock signal when powered on, and configured to supply an output signal of the oscillating circuit to the digital control circuit as a clock signal after the digital control circuit sets the oscillation parameter of the oscillating circuit. |
