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公开(公告)号：US08902089B2
公开(公告)日：2014-12-02
申请号：US13717217
申请日：2012-12-17
Applicant: QUALCOMM Incorporated
Inventor： Troy Stockstad
CPC classification number: H03M3/30 , H03K7/08 , H04L25/4902 , H05B33/0818 , Y02B20/346
Abstract: Circuitry for performing digital modulation is described. The circuitry includes a digital modulator. The digital modulator receives a first signal with a first duty cycle. The digital modulator also receives a second signal with a second duty cycle. The digital modulator further produces a monotonic multiplied modulated signal based on the first signal and the second signal.
Abstract translation: 描述用于执行数字调制的电路。 该电路包括数字调制器。 数字调制器接收具有第一占空比的第一信号。 数字调制器还接收具有第二占空比的第二信号。 数字调制器还基于第一信号和第二信号产生单调相乘调制信号。
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12.发明申请公开(公告)号：US20140266117A1
公开(公告)日：2014-09-18
申请号：US13828044
申请日：2013-03-14
Applicant: QUALCOMM INCORPORATED
Inventor： Ricardo T Goncalves , Troy Stockstad , Joseph D Rutkowski
IPC: H02M3/157
CPC classification number: H02M3/158 , H02M1/08 , H02M3/155 , H02M2001/0003 , H02M2001/0045
Abstract: The present disclosure includes systems and methods for 100% duty cycle in switching regulators. A switching regulator circuit includes a ramp generator to produce a ramp signal having a period and a comparator to receive the ramp signal and an error signal, and in accordance therewith, produce a modulation signal. In a first mode of operation, the ramp signal increases to intersect the error signal, and in accordance therewith, changes a state of a switching transistor during each period of the ramp signal. In a second mode of operation, the error signal increase above a maximum value of the ramp signal, and in accordance therewith, the switching transistor is turned on for one or more full periods of the ramp signal.
Abstract translation: 本公开包括用于开关稳压器中的100％占空比的系统和方法。 开关调节器电路包括斜坡发生器以产生具有周期的斜坡信号和用于接收斜坡信号的比较器和误差信号，并且根据其产生调制信号。 在第一操作模式中，斜坡信号增加以与误差信号相交，因此，在斜坡信号的每个周期期间改变开关晶体管的状态。 在第二操作模式中，误差信号增加到斜坡信号的最大值之上，并且根据此，开关晶体管导通一个或多个斜坡信号的整个周期。
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公开(公告)号：US20130293404A1
公开(公告)日：2013-11-07
申请号：US13717217
申请日：2012-12-17
Applicant: QUALCOMM INCORPORATED
Inventor： Troy Stockstad
IPC: H03M3/00
CPC classification number: H03M3/30 , H03K7/08 , H04L25/4902 , H05B33/0818 , Y02B20/346
Abstract: Circuitry for performing digital modulation is described. The circuitry includes a digital modulator. The digital modulator receives a first signal with a first duty cycle. The digital modulator also receives a second signal with a second duty cycle. The digital modulator further produces a monotonic multiplied modulated signal based on the first signal and the second signal.
Abstract translation: 描述用于执行数字调制的电路。 该电路包括数字调制器。 数字调制器接收具有第一占空比的第一信号。 数字调制器还接收具有第二占空比的第二信号。 数字调制器还基于第一信号和第二信号产生单调相乘调制信号。
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