公开(公告)号：US20160156360A1

公开(公告)日：2016-06-02

申请号：US14881505

申请日：2015-10-13

Applicant: MediaTek Inc.

Inventor： Yi-Feng CHEN ,  Tsung-Ying TSAI ,  Heng-Meng LIU ,  Sung-Yun HSUEH

IPC: H03L7/00 ,  H03K3/03

CPC classification number: H03K3/0315 ,  H03K3/011 ,  H03L7/00

Abstract: A signal generator includes a main ring oscillator and a first ring oscillator. The main ring oscillator is supplied by a power voltage, and is configured to generate an output oscillation signal. The main ring oscillator is coupled through a power mesh to the power voltage. The first ring oscillator is supplied by the power voltage. The first ring oscillator is similar or identical to the main ring oscillator. The first ring oscillator is coupled through the power mesh to the power voltage. The first ring oscillator is used to calibrate a frequency of the output oscillation signal.

Abstract translation: 信号发生器包括主环形振荡器和第一环形振荡器。 主环形振荡器由电源电压提供，并被配置为产生输出振荡信号。 主环形振荡器通过功率网连接到电源电压。 第一个环形振荡器由电源电压供电。 第一个环形振荡器与主环形振荡器相似或相同。 第一个环形振荡器通过功率网耦合到电源电压。 第一个环形振荡器用于校准输出振荡信号的频率。