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1. 发明授权

US07719371B2 Spread spectrum clock and reference signal generator 有权
标题翻译：扩频时钟和参考信号发生器
公开(公告)号：US07719371B2
公开(公告)日：2010-05-18
申请号：US11967234
申请日：2007-12-30
申请人： Scott Michael Pernia , Gordon Carichner , Eric Marsman , Michael Shannon McCorquodale
发明人： Scott Michael Pernia , Gordon Carichner , Eric Marsman , Michael Shannon McCorquodale
IPC分类号： H03B29/00 , H03L7/06
CPC分类号： H03L5/00 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1253 , H03B5/1265 , H03B5/1287 , H03B5/1293 , H03B2200/005
摘要： Exemplary embodiments of the invention provide a system, method and apparatus for spread spectrum functionality for a free-running, reference harmonic oscillator. In an exemplary embodiment, an apparatus comprises a reference oscillator adapted to provide a reference signal having a reference frequency; and a spread spectrum controller adapted to control the reference oscillator to generate a spread-spectrum reference signal at a plurality of different reference frequencies during a predetermined or selected time period. An exemplary apparatus may also include a coefficient register adapted to store a plurality of coefficients and a plurality of controlled reactance modules responsive to a corresponding coefficient of the plurality of coefficients to modify an amount of reactance effectively coupled to the reference oscillator. An exemplary spread spectrum controller is further adapted to sequentially modify the plurality of coefficients during the predetermined time period to provide the spread spectrum reference signal.
摘要翻译：本发明的示例性实施例提供了一种用于自由运行的参考谐波振荡器的扩频功能的系统，方法和装置。在示例性实施例中，一种装置包括适于提供具有参考频率的参考信号的参考振荡器; 以及扩展频谱控制器，其适于在预定或选择的时间段期间控制参考振荡器以在多个不同参考频率处产生扩频参考信号。示例性装置还可以包括适于存储多个系数的系数寄存器和响应于多个系数的对应系数的多个受控电抗模块，以修改有效耦合到基准振荡器的电抗量。示例性扩频控制器还适于在预定时间段期间顺序修改多个系数以提供扩频参考信号。

2. 发明申请

US20070222528A1 Multi-terminal harmonic oscillator integrated circuit with frequency calibration and frequency configuration 有权
标题翻译：多端谐波振荡器集成电路，具有频率校准和频率配置
公开(公告)号：US20070222528A1
公开(公告)日：2007-09-27
申请号：US11805368
申请日：2007-05-23
申请人： Scott Pernia , Michael McCorquodale , Sundus Kubba , Justin O'Day , Gordon Carichner , Eric Marsman
发明人： Scott Pernia , Michael McCorquodale , Sundus Kubba , Justin O'Day , Gordon Carichner , Eric Marsman
IPC分类号： G01R23/00
CPC分类号： H03L1/022 , H03B5/1212 , H03B5/1221 , H03B5/1228 , H03B5/124 , H03B2200/0038 , H03B2201/025 , H03J2200/10 , H03L1/023 , H03L7/089
摘要： Exemplary embodiments of the invention provide a reference harmonic oscillator integrated circuit having three or more terminals, with systems and methods for calibrating the harmonic oscillator to a selected first frequency using a limited number of terminals. An exemplary apparatus comprises: a reference harmonic oscillator, a first terminal to receive a supply voltage, a second terminal to receive a ground potential, a third terminal to provide an output signal having an output frequency, and may also include a fourth terminal. One of the first, second, third or fourth terminals is further adapted for input of a calibration of the first frequency. The exemplary apparatus may enter calibration and testing modes in response to various commands such as a calibration mode signal, and may also be configured through one of the terminals for output frequency selection, spread-spectrum output, and output voltage levels.
摘要翻译：本发明的示例性实施例提供了具有三个或更多个端子的参考谐波振荡器集成电路，其具有使用有限数量的端子将谐波振荡器校准为所选择的第一频率的系统和方法。示例性装置包括：参考谐波振荡器，用于接收电源电压的第一端子，用于接收地电位的第二端子，第三端子以提供具有输出频率的输出信号，并且还可以包括第四端子。第一，第二，第三或第四端子中的一个进一步适于输入第一频率的校准。示例性装置可以响应于诸如校准模式信号的各种命令而进入校准和测试模式，并且还可以通过用于输出频率选择，扩频输出和输出电压电平的一个端子进行配置。

3. 发明申请

US20080100350A1 Spread Spectrum Clock and Reference Signal Generator 有权
标题翻译：扩频时钟和参考信号发生器
公开(公告)号：US20080100350A1
公开(公告)日：2008-05-01
申请号：US11967234
申请日：2007-12-30
申请人： Scott Pernia , Gordon Carichner , Eric Marsman , Michael McCorquodale
发明人： Scott Pernia , Gordon Carichner , Eric Marsman , Michael McCorquodale
IPC分类号： G06F1/08 , H03B19/05 , H03B19/03
CPC分类号： H03L5/00 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1253 , H03B5/1265 , H03B5/1287 , H03B5/1293 , H03B2200/005
摘要： Exemplary embodiments of the invention provide a system, method and apparatus for spread spectrum functionality for a free-running, reference harmonic oscillator. In an exemplary embodiment, an apparatus comprises a reference oscillator adapted to provide a reference signal having a reference frequency; and a spread spectrum controller adapted to control the reference oscillator to generate a spread-spectrum reference signal at a plurality of different reference frequencies during a predetermined or selected time period. An exemplary apparatus may also include a coefficient register adapted to store a plurality of coefficients and a plurality of controlled reactance modules responsive to a corresponding coefficient of the plurality of coefficients to modify an amount of reactance effectively coupled to the reference oscillator. An exemplary spread spectrum controller is further adapted to sequentially modify the plurality of coefficients during the predetermined time period to provide the spread spectrum reference signal.
摘要翻译：本发明的示例性实施例提供了一种用于自由运行的参考谐波振荡器的扩频功能的系统，方法和装置。在示例性实施例中，一种装置包括适于提供具有参考频率的参考信号的参考振荡器; 以及扩展频谱控制器，其适于在预定或选择的时间段期间控制参考振荡器以在多个不同参考频率处产生扩频参考信号。示例性装置还可以包括适于存储多个系数的系数寄存器和响应于多个系数的对应系数的多个受控电抗模块，以修改有效耦合到基准振荡器的电抗量。示例性扩频控制器还适于在预定时间段期间顺序修改多个系数以提供扩频参考信号。

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