公开(公告)号：US07295082B2

公开(公告)日：2007-11-13

申请号：US11426578

申请日：2006-06-26

申请人： Hui-Yuan Hsu ,  Ching-Ju Lin

发明人： Hui-Yuan Hsu ,  Ching-Ju Lin

IPC分类号： H03K7/04

CPC分类号： H03K7/06 ,  H03K3/017 ,  H03K3/02315

摘要： A pulse frequency modulation oscillating circuit includes a reference voltage generator for generating a first reference voltage and a second reference voltage, a first comparison circuit for comparing a state signal with the first reference voltage, a second comparison circuit for comparing the state signal with the second reference voltage, an output circuit for outputting a pulse frequency modulation signal according to an under-voltage signal, and signals outputted from the first comparison circuit and from the second comparison circuit, a mode generation circuit for generating the state signal, and a mode decision circuit for outputting inverse signals of the signals outputted from the first comparison circuit or signals outputted from the output circuit to the mode generation circuit according to the pulse frequency modulation signal, the under-voltage signal, and the signals outputted from the first comparison circuit and from the second comparison circuit.

摘要翻译： 脉冲频率调制振荡电路包括用于产生第一参考电压和第二参考电压的参考电压发生器，用于将状态信号与第一参考电压进行比较的第一比较电路，用于将状态信号与第二参考电压进行比较的第二比较电路 参考电压，用于根据欠电压信号输出脉冲频率调制信号的输出电路和从第一比较电路和第二比较电路输出的信号，用于产生状态信号的模式产生电路和模式决定 根据脉冲频率调制信号，欠压信号和从第一比较电路输出的信号，将从第一比较电路输出的信号的反相信号或从输出电路输出的信号输出到模式产生电路的电路，以及 从第二比较电路。

公开(公告)号：US20070210844A1

公开(公告)日：2007-09-13

申请号：US11426578

申请日：2006-06-26

申请人： Hui-Yuan Hsu ,  Ching-Ju Lin

发明人： Hui-Yuan Hsu ,  Ching-Ju Lin

IPC分类号： H03K3/017

CPC分类号： H03K7/06 ,  H03K3/017 ,  H03K3/02315

摘要： A pulse frequency modulation oscillating circuit includes a reference voltage generator for generating a first reference voltage and a second reference voltage, a first comparison circuit for comparing a state signal with the first reference voltage, a second comparison circuit for comparing the state signal with the second reference voltage, an output circuit for outputting a pulse frequency modulation signal according to an under-voltage signal, and signals outputted from the first comparison circuit and from the second comparison circuit, a mode generation circuit for generating the state signal, and a mode decision circuit for outputting inverse signals of the signals outputted from the first comparison circuit or signals outputted from the output circuit to the mode generation circuit according to the pulse frequency modulation signal, the under-voltage signal, and the signals outputted from the first comparison circuit and from the second comparison circuit.

摘要翻译： 脉冲频率调制振荡电路包括用于产生第一参考电压和第二参考电压的参考电压发生器，用于将状态信号与第一参考电压进行比较的第一比较电路，用于将状态信号与第二参考电压进行比较的第二比较电路 参考电压，用于根据欠电压信号输出脉冲频率调制信号的输出电路和从第一比较电路和第二比较电路输出的信号，用于产生状态信号的模式产生电路和模式决定 根据脉冲频率调制信号，欠压信号和从第一比较电路输出的信号，将从第一比较电路输出的信号的反相信号或从输出电路输出的信号输出到模式产生电路的电路，以及 从第二比较电路。