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1. 发明申请

US20080100392A1 Low-Latency Start-Up for a Monolithic Clock Generator and Timing/Frequency Reference 失效
标题翻译：用于单片时钟发生器的低延迟启动和定时/频率参考
公开(公告)号：US20080100392A1
公开(公告)日：2008-05-01
申请号：US11926013
申请日：2007-10-28
申请人： Scott Pernia , Michael McCorquodale , Sundus Kubba
发明人： Scott Pernia , Michael McCorquodale , Sundus Kubba
IPC分类号： H03B5/04 , H03B5/12 , H03L1/00
CPC分类号： H03B5/06 , H03B5/04 , H03B5/1212 , H03B5/1228 , H03B5/124 , H03B2200/0038 , H03B2200/005 , H03B2200/0098 , H03J2200/10 , H03K23/66 , H03K23/662 , H03L1/00 , H03L1/026 , H03L3/00 , H03L7/06 , H03L7/0812 , H03L7/099 , H03L7/18 , H03L7/24
摘要： An apparatus, system and method are provided for low-latency start-up of a free-running harmonic oscillator. The exemplary apparatus embodiment comprises a first and second current sources to generate first and second currents; a bias current monitor adapted to detect a magnitude of the second current and to provide a control signal when the magnitude of the second current is equal to or greater than a predetermined magnitude; and a bias controller adapted to switch the first current from the oscillator and to switch the second current to the oscillator in response to the control signal. a reference voltage generator, a comparator, and a bias controller. Exemplary embodiments include reference voltage generator, a comparator, and a bias controller.
摘要翻译：提供了一种用于自由运行谐波振荡器的低延迟启动的装置，系统和方法。示例性装置实施例包括用于产生第一和第二电流的第一和第二电流源; 偏置电流监视器，适于检测第二电流的大小，并且当第二电流的幅度等于或大于预定幅度时提供控制信号; 以及偏置控制器，其适于从振荡器切换第一电流并且响应于控制信号将第二电流切换到振荡器。参考电压发生器，比较器和偏置控制器。示例性实施例包括参考电压发生器，比较器和偏置控制器。

2. 发明申请

US20070222529A1 Frequency calibration for a monolithic clock generator and timing/frequency reference 有权
标题翻译：单片时钟发生器的频率校准和定时/频率参考
公开(公告)号：US20070222529A1
公开(公告)日：2007-09-27
申请号：US11805427
申请日：2007-05-23
申请人： Gordon Carichner , Michael McCorquodale , Scott Pernia , Sundus Kubba
发明人： Gordon Carichner , Michael McCorquodale , Scott Pernia , Sundus Kubba
IPC分类号： G01R23/00
CPC分类号： H03L1/00 , G01R23/15 , H03L1/022 , H03L7/099
摘要： Exemplary embodiments of the invention provide a system, method and apparatus for frequency calibration of a free-running, reference harmonic oscillator. An exemplary system comprises the harmonic oscillator, a frequency divider, a comparator, and a reactance modulator. The reference harmonic oscillator includes a plurality of switchable reactance modules controlled by corresponding coefficients, and provides an oscillation signal having an oscillation frequency, which is divided or multiplied by the frequency divider to provide an output signal having an output frequency. The comparator compares the output frequency to an externally supplied reference frequency using first and second predetermined levels of discrimination, and provides first or second comparison signals when the output frequency is higher or lower than the reference frequency. The reactance modulator determines a plurality of coefficients to control switching of the plurality of switchable reactance modules to increase or decrease a reactance of the oscillator in response to the first and second comparison signals.
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频率校准的系统，方法和装置。示例性系统包括谐波振荡器，分频器，比较器和电抗调制器。参考谐波振荡器包括由相应系数控制的多个可切换电抗模块，并提供具有振荡频率的振荡信号，该振荡信号被分频器分频或乘以分频器以提供具有输出频率的输出信号。比较器使用第一和第二预定等级的鉴别比较输出频率与外部提供的参考频率，并且当输出频率高于或低于参考频率时提供第一或第二比较信号。电抗调制器确定多个系数以控制多个可切换电抗模块的切换，以响应于第一和第二比较信号增加或减小振荡器的电抗。

3. 发明申请

US20070205837A1 Monolithic clock generator and timing/frequency reference 有权
标题翻译：单片时钟发生器和定时/频率参考
公开(公告)号：US20070205837A1
公开(公告)日：2007-09-06
申请号：US11796821
申请日：2007-04-28
申请人： Michael McCorquodale , Scott Pernia , Amar Basu
发明人： Michael McCorquodale , Scott Pernia , Amar Basu
IPC分类号： G01R23/00 , H03B5/08
CPC分类号： H03L1/02 , H03B5/04 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1253 , H03B5/1265 , H03B2200/0038 , H03B2200/005 , H03B2200/0098 , H03J2200/10 , H03L1/00 , H03L1/026 , H03L7/00 , H03L7/06 , H03L7/0812 , H03L7/099 , H03L7/24
摘要： In various embodiments, the invention provides a clock generator and/or a timing and frequency reference, with multiple operating modes, such power conservation, clock, reference, and pulsed modes. The various apparatus embodiments include a resonator adapted to provide a first signal having a resonant frequency; an amplifier; a temperature compensator adapted to modify the resonant frequency in response to temperature; and a process variation compensator adapted to modify the resonant frequency in response to fabrication process variation. In addition, the various embodiments may also include a frequency divider adapted to divide the first signal having the resonant frequency into a plurality of second signals having a corresponding plurality of frequencies substantially equal to or lower than the resonant frequency; and a frequency selector adapted to provide an output signal from the plurality of second signals. The output signal may be provided in any of various forms, such as differential or single-ended, and substantially square-wave or sinusoidal.
摘要翻译：在各种实施例中，本发明提供具有多种操作模式的时钟发生器和/或定时和频率参考，例如功率节省，时钟，参考和脉冲模式。各种装置实施例包括适于提供具有谐振频率的第一信号的谐振器; 放大器温度补偿器，其适于根据温度修改谐振频率; 以及适于响应于制造工艺变化来修改谐振频率的工艺变化补偿器。此外，各种实施例还可以包括分频器，其适于将具有谐振频率的第一信号划分成具有基本上等于或低于谐振频率的相应多个频率的多个第二信号; 以及适于提供来自所述多个第二信号的输出信号的频率选择器。输出信号可以以各种形式提供，例如差分或单端，以及基本方波或正弦。

4. 发明申请

US20050206464A1 Transconductance and current modulation for resonant frequency control and selection 有权
标题翻译：谐波频率控制和选择的跨导和电流调制
公开(公告)号：US20050206464A1
公开(公告)日：2005-09-22
申请号：US11085372
申请日：2005-03-21
申请人： Michael McCorquodale , Scott Pernia
发明人： Michael McCorquodale , Scott Pernia
IPC分类号： H03B1/00 , H03B5/04 , H03B5/12 , H03L1/00 , H03L1/02 , H03L7/00 , H03L7/06 , H03L7/081 , H03L7/099 , H03L7/24
CPC分类号： H03L1/02 , H03B5/04 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1253 , H03B5/1265 , H03B2200/0038 , H03B2200/005 , H03B2200/0098 , H03J2200/10 , H03L1/00 , H03L1/026 , H03L7/00 , H03L7/06 , H03L7/0812 , H03L7/099 , H03L7/24
摘要： In various embodiments, the invention provides a frequency controller and a temperature compensator for frequency control and selection in a clock generator and/or a timing and frequency reference. The various apparatus embodiments include a resonator adapted to provide a first signal having a resonant frequency; an amplifier; a temperature compensator adapted to modify the resonant frequency in response to temperature; and a process variation compensator adapted to modify the resonant frequency in response to fabrication process variation. In addition, the various embodiments may also include a frequency divider adapted to divide the first signal having the resonant frequency into a plurality of second signals having a corresponding plurality of frequencies substantially equal to or lower than the resonant frequency; and a frequency selector adapted to provide an output signal from the plurality of second signals. The output signal may be provided in any of various forms, such as differential or single-ended, and substantially square-wave or sinusoidal.
摘要翻译：在各种实施例中，本发明提供了一种用于在时钟发生器和/或定时和频率参考中进行频率控制和选择的频率控制器和温度补偿器。各种装置实施例包括适于提供具有谐振频率的第一信号的谐振器; 放大器温度补偿器，其适于根据温度修改谐振频率; 以及适于响应于制造工艺变化来修改谐振频率的工艺变化补偿器。此外，各种实施例还可以包括分频器，其适于将具有谐振频率的第一信号划分成具有基本上等于或低于谐振频率的相应多个频率的多个第二信号; 以及适于提供来自所述多个第二信号的输出信号的频率选择器。输出信号可以以各种形式提供，例如差分或单端，以及基本方波或正弦。

5. 发明申请

US20050206462A1 Monolithic clock generator and timing/frequency reference 有权
标题翻译：单片时钟发生器和定时/频率参考
公开(公告)号：US20050206462A1
公开(公告)日：2005-09-22
申请号：US11084962
申请日：2005-03-21
申请人： Michael McCorquodale , Scott Pernia , Amar Basu
发明人： Michael McCorquodale , Scott Pernia , Amar Basu
IPC分类号： H03B1/00 , H03B5/04 , H03B5/12 , H03L1/00 , H03L1/02 , H03L7/00 , H03L7/06 , H03L7/081 , H03L7/099 , H03L7/24
CPC分类号： H03L1/02 , H03B5/04 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1253 , H03B5/1265 , H03B2200/0038 , H03B2200/005 , H03B2200/0098 , H03J2200/10 , H03L1/00 , H03L1/026 , H03L7/00 , H03L7/06 , H03L7/0812 , H03L7/099 , H03L7/24
摘要： In various embodiments, the invention provides a clock generator and/or a timing and frequency reference, with multiple operating modes, such power conservation, clock, reference, and pulsed modes. The various apparatus embodiments include a resonator adapted to provide a first signal having a resonant frequency; an amplifier; a temperature compensator adapted to modify the resonant frequency in response to temperature; and a process variation compensator adapted to modify the resonant frequency in response to fabrication process variation. In addition, the various embodiments may also include a frequency divider adapted to divide the first signal having the resonant frequency into a plurality of second signals having a corresponding plurality of frequencies substantially equal to or lower than the resonant frequency; and a frequency selector adapted to provide an output signal from the plurality of second signals. The output signal may be provided in any of various forms, such as differential or single-ended, and substantially square-wave or sinusoidal.
摘要翻译：在各种实施例中，本发明提供具有多种操作模式的时钟发生器和/或定时和频率参考，例如功率节省，时钟，参考和脉冲模式。各种装置实施例包括适于提供具有谐振频率的第一信号的谐振器; 放大器温度补偿器，其适于根据温度修改谐振频率; 以及适于响应于制造工艺变化来修改谐振频率的工艺变化补偿器。此外，各种实施例还可以包括分频器，其适于将具有谐振频率的第一信号划分成具有基本上等于或低于谐振频率的相应多个频率的多个第二信号; 以及适于提供来自所述多个第二信号的输出信号的频率选择器。输出信号可以以各种形式提供，例如差分或单端，以及基本方波或正弦。

6. 发明申请

US20060152293A1 Integrated clock generator and timing/frequency reference 有权
标题翻译：集成时钟发生器和定时/频率参考
公开(公告)号：US20060152293A1
公开(公告)日：2006-07-13
申请号：US11384758
申请日：2006-03-20
申请人： Michael McCorquodale , Scott Pernia , Sundus Kubba , Justin O'Day , Gordon Carichner
发明人： Michael McCorquodale , Scott Pernia , Sundus Kubba , Justin O'Day , Gordon Carichner
IPC分类号： H03B1/00
CPC分类号： G06F1/04 , G06F1/08 , H03B5/06 , H03B5/1203 , H03B5/1215 , H03B5/1218 , H03B5/1228 , H03B5/1253 , H03B5/1256 , H03B5/1265 , H03B2201/025 , H03J1/0008 , H03J2200/10 , H03L1/022 , H03L3/00 , H03L7/08 , H03L7/0812 , H03L7/0891 , H03L7/099
摘要： In various embodiments, the invention provides a clock generator and/or a timing and frequency reference using an LC-oscillator topology, having a frequency controller to control and provide a stable resonant frequency, which is integrated with other, second circuitry such as a processor or controller. Frequency stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various apparatus embodiments include a sensor adapted to provide a signal in response to at least one parameter of a plurality of parameters; and a frequency controller adapted to modify the resonant frequency in response to the second signal. In exemplary embodiments, the sensor is implemented as a current source responsive to temperature fluctuations, and the frequency controller is implemented as a plurality of controlled reactance modules which are selectively couplable to the resonator or to one or more control voltages. The controlled reactance modules may include fixed or variable capacitances or inductances, and may be binary weighted. Arrays of resistive modules are also provided, to generate one or more control voltages.
摘要翻译：在各种实施例中，本发明提供使用LC振荡器拓扑的时钟发生器和/或定时和频率参考，其具有频率控制器以控制和提供稳定的谐振频率，其与其它第二电路（例如处理器或控制器。提供了频率稳定性，如选择的参数（如温度和制造工艺变化）的变化。各种装置实施例包括适于响应于多个参数的至少一个参数提供信号的传感器; 以及频率控制器，其适于响应于所述第二信号来修改所述谐振频率。在示例性实施例中，响应于温度波动将传感器实现为电流源，并且频率控制器被实现为可选择地耦合到谐振器或一个或多个控制电压的多个受控电抗模块。受控电抗模块可以包括固定或可变电容或电感，并且可以是二进制加权的。还提供了电阻模块的阵列，以产生一个或多个控制电压。

7. 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。

8. 发明申请

US20060158268A1 Discrete clock generator and timing/frequency reference 有权
标题翻译：离散时钟发生器和定时/频率参考
公开(公告)号：US20060158268A1
公开(公告)日：2006-07-20
申请号：US11384973
申请日：2006-03-20
申请人： Michael McCorquodale , Scott Pernia , Sundus Kubba , Justin O'Day , Gordon Carichner
发明人： Michael McCorquodale , Scott Pernia , Sundus Kubba , Justin O'Day , Gordon Carichner
IPC分类号： H03L7/00
CPC分类号： G06F1/04 , G06F1/08 , H03B5/06 , H03B5/1212 , H03B5/1215 , H03B5/1221 , H03B5/124 , H03B2201/025 , H03J1/0008 , H03J2200/10 , H03L1/00 , H03L1/02 , H03L1/022 , H03L1/025 , H03L3/00 , H03L7/08 , H03L7/0812 , H03L7/099 , H03L7/183 , H03L2207/50
摘要： In various embodiments, the invention provides a discrete clock generator and/or a timing and frequency reference using an LC-oscillator topology, having a frequency controller to control and provide a stable resonant frequency, which may then be provided to other, second circuitry such as a processor or controller. Frequency stability is provided over variations in a selected parameter such as temperature and fabrication process variations. The various apparatus embodiments include a sensor adapted to provide a signal in response to at least one parameter of a plurality of parameters; and a frequency controller adapted to modify the resonant frequency in response to the second signal. In exemplary embodiments, the sensor is implemented as a current source responsive to temperature fluctuations, and the frequency controller is implemented as a plurality of controlled reactance modules which are selectively couplable to the resonator or to one or more control voltages. The controlled reactance modules may include fixed or variable capacitances or inductances, and may be binary weighted. Arrays of resistive modules are also provided, to generate one or more control voltages.
摘要翻译：在各种实施例中，本发明提供使用LC振荡器拓扑的离散时钟发生器和/或定时和频率参考，其具有频率控制器来控制和提供稳定的谐振频率，然后可以将其提供给其它第二电路，例如作为处理器或控制器。提供了频率稳定性，如选择的参数（如温度和制造工艺变化）的变化。各种装置实施例包括适于响应于多个参数的至少一个参数提供信号的传感器; 以及频率控制器，其适于响应于所述第二信号来修改所述谐振频率。在示例性实施例中，响应于温度波动将传感器实现为电流源，并且频率控制器被实现为可选择地耦合到谐振器或一个或多个控制电压的多个受控电抗模块。受控电抗模块可以包括固定或可变电容或电感，并且可以是二进制加权的。还提供了电阻模块的阵列，以产生一个或多个控制电压。

9. 发明申请

US20060071718A1 Frequency calibration for a monolithic clock generator and timing/frequency reference 有权
标题翻译：单片时钟发生器的频率校准和定时/频率参考
公开(公告)号：US20060071718A1
公开(公告)日：2006-04-06
申请号：US11232409
申请日：2005-09-20
申请人： Michael McCorquodale , Scott Pernia , Sundus Kubba , Amar Basu
发明人： Michael McCorquodale , Scott Pernia , Sundus Kubba , Amar Basu
IPC分类号： H03L7/00
CPC分类号： H03B5/06 , H03B5/04 , H03B5/1212 , H03B5/1228 , H03B5/124 , H03B2200/0038 , H03B2200/005 , H03B2200/0098 , H03J2200/10 , H03L1/00 , H03L1/026 , H03L3/00 , H03L7/0812 , H03L7/089 , H03L7/093 , H03L7/099 , H03L7/183 , H03L7/24
摘要： Exemplary embodiments of the invention provide a system, method and apparatus for frequency calibration of a free-running, harmonic oscillator. A reference oscillator provides a reference frequency. An exemplary system comprises the harmonic oscillator, a frequency divider, a comparator, and a reactance modulator. The oscillator comprises a plurality of switchable reactance modules and a coefficient register, and provides an oscillation signal having an oscillation frequency. The frequency divider provides an output frequency as a fraction of the oscillation frequency. The comparator compares the output and reference frequencies and provides a comparison signal when the output frequency is not substantially equal to the reference frequency. The reactance modulator determines and provides to the coefficient register a first plurality of coefficients to control switching of a first subset of the reactance modules to increase the reactance of the oscillator when the output frequency is greater than the reference frequency, and a second plurality of coefficients to control switching of a second subset of the reactance modules to decrease the reactance of the oscillator when the output frequency is less than the reference frequency.
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谐波振荡器的频率校准的系统，方法和装置。参考振荡器提供参考频率。示例性系统包括谐波振荡器，分频器，比较器和电抗调制器。振荡器包括多个可切换电抗模块和系数寄存器，并提供具有振荡频率的振荡信号。分频器将输出频率提供为振荡频率的一部分。比较器比较输出和参考频率，并在输出频率基本上不等于参考频率时提供比较信号。电抗调制器确定并向系数寄存器提供第一多个系数以控制电抗模块的第一子集的切换，以在输出频率大于参考频率时提高振荡器的电抗，并且第二多个系数以当输出频率小于参考频率时，控制电抗模块的第二子集的切换以减小振荡器的电抗。

10. 发明申请

US20060017519A1 Low-latency start-up for a monolithic clock generator and timing/frequency reference 有权
公开(公告)号：US20060017519A1
公开(公告)日：2006-01-26
申请号：US11233414
申请日：2005-09-21
申请人： Scott Pernia , Michael McCorquodale , Sundus Kubba
发明人： Scott Pernia , Michael McCorquodale , Sundus Kubba
IPC分类号： H03L7/099
CPC分类号： H03B5/06 , H03B5/04 , H03B5/1212 , H03B5/1228 , H03B5/124 , H03B2200/0038 , H03B2200/005 , H03B2200/0098 , H03J2200/10 , H03K23/66 , H03K23/662 , H03L1/00 , H03L1/026 , H03L3/00 , H03L7/06 , H03L7/0812 , H03L7/099 , H03L7/18 , H03L7/24
摘要： An apparatus, system and method are provided for low-latency start-up of a free-running harmonic oscillator. The exemplary apparatus embodiment comprises a first and second current sources to generate first and second currents; a bias current monitor adapted to detect a magnitude of the second current and to provide a control signal when the magnitude of the second current is equal to or greater than a predetermined magnitude; and a bias controller adapted to switch the first current from the oscillator and to switch the second current to the oscillator in response to the control signal. a reference voltage generator, a comparator, and a bias controller. Exemplary embodiments include reference voltage generator, a comparator, and a bias controller.

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