-
公开(公告)号：US08022780B2
公开(公告)日：2011-09-20
申请号：US12107592
申请日：2008-04-22
IPC分类号： H03L1/02
摘要： Techniques for compensating for the effects of temperature change on voltage controlled oscillator (VCO) frequency are disclosed. In an embodiment, an auxiliary varactor is coupled to an LC tank of the VCO. The auxiliary varactor has a capacitance controlled by a temperature-dependant control voltage to minimize the overall change in VCO frequency with temperature. Techniques for generating the control voltage using digital and analog means are further disclosed.
摘要翻译： 公开了用于补偿温度变化对压控振荡器（VCO）频率的影响的技术。 在一个实施例中，辅助变容二极管耦合到VCO的LC箱。 辅助变容二极管具有由温度依赖控制电压控制的电容，以最小化VCO频率随温度的总体变化。 进一步公开了使用数字和模拟装置产生控制电压的技术。
-
公开(公告)号：US20090261917A1
公开(公告)日：2009-10-22
申请号：US12107592
申请日：2008-04-22
IPC分类号： H03L1/02
摘要： Techniques for compensating for the effects of temperature change on voltage controlled oscillator (VCO) frequency are disclosed. In an embodiment, an auxiliary varactor is coupled to an LC tank of the VCO. The auxiliary varactor has a capacitance controlled by a temperature-dependant control voltage to minimize the overall change in VCO frequency with temperature. Techniques for generating the control voltage using digital and analog means are further disclosed.
摘要翻译： 公开了用于补偿温度变化对压控振荡器（VCO）频率的影响的技术。 在一个实施例中，辅助变容二极管耦合到VCO的LC箱。 辅助变容二极管具有由温度依赖控制电压控制的电容，以最小化VCO频率随温度的总体变化。 进一步公开了使用数字和模拟装置产生控制电压的技术。
-
公开(公告)号：US20090278620A1
公开(公告)日：2009-11-12
申请号：US12116527
申请日：2008-05-07
IPC分类号： H03L7/099
摘要： Techniques are disclosed for trimming a capacitance associated with a capacitor bank for use in a voltage-controlled oscillator (VCO). In an embodiment, each capacitance is sub-divided into a plurality of constituent capacitances. The constituent capacitances may be selectively enabled or disabled to trim the step sizes of the capacitor bank. Further techniques are disclosed for calibrating the trimmable capacitance to minimize step size error for the capacitor bank.
摘要翻译： 公开了用于修整与用于压控振荡器（VCO）的电容器组相关的电容的技术。 在一个实施例中，每个电容被细分成多个组成电容。 可以选择性地使能或禁用构成电容来修整电容器组的步长。 公开了用于校准可调整电容以最小化电容器组的步长误差的其它技术。
-
公开(公告)号：US07855610B2
公开(公告)日：2010-12-21
申请号：US12116527
申请日：2008-05-07
IPC分类号： H03B5/08
摘要： Techniques are disclosed for trimming a capacitance associated with a capacitor bank for use in a voltage-controlled oscillator (VCO). In an embodiment, each capacitance is sub-divided into a plurality of constituent capacitances. The constituent capacitances may be selectively enabled or disabled to trim the step sizes of the capacitor bank. Further techniques are disclosed for calibrating the trimmable capacitance to minimize step size error for the capacitor bank.
摘要翻译： 公开了用于修整与用于压控振荡器（VCO）的电容器组相关的电容的技术。 在一个实施例中，每个电容被细分成多个组成电容。 可以选择性地使能或禁用构成电容来修整电容器组的步长。 公开了用于校准可调整电容以最小化电容器组的步长误差的其它技术。
-
公开(公告)号：US20120262239A1
公开(公告)日：2012-10-18
申请号：US13086325
申请日：2011-04-13
IPC分类号： H03L7/00
CPC分类号： H03L7/18 , H03B19/14 , H03B2200/0078 , H03J2200/10
摘要： A tunable Injection-Locked Oscillator (ILO) having a wide locking range is used in a Local Oscillator (LO) of a wideband wireless transceiver to generate differential signals. The ILO includes a resonator with an adjustable natural oscillating frequency. In one example, the ILO is part of a quadrature divider that can lock onto a Phase-Locked Loop (PLL) output signal in a wide frequency band while achieving lower power consumption and lower phase noise than a differential latch type divider. The ILO is tuned by disabling a Voltage-Controlled Oscillator (VCO) from driving the ILO, adjusting the natural oscillating frequency, making a measurement indicative of the natural oscillating frequency, and determining whether the measurement is within a predetermined range. If the measurement is below the predetermined range, capacitances of resonators within the ILO are decreased, whereas if the measurement is above the predetermined range, capacitances of the resonators are increased.
摘要翻译： 在宽带无线收发器的本地振荡器（LO）中使用具有宽锁定范围的可调注入锁定振荡器（ILO）以产生差分信号。 国际劳工组织包括具有可调节的自然振荡频率的谐振器。 在一个示例中，国际劳工组织是正交分频器的一部分，其可以在宽频带内锁定锁相环（PLL）输出信号，同时实现比差分锁存器类型分频器更低的功耗和更低的相位噪声。 国际劳工组织通过禁用驱动国际劳工组织的电压控制振荡器（VCO）进行调整，调整自然振荡频率，进行表示自然振荡频率的测量，以及确定测量是否在预定范围内。 如果测量低于预定范围，则国际劳工组织内的谐振器的电容减小，而如果测量高于预定范围，则谐振器的电容增加。
-
公开(公告)号：US08704603B2
公开(公告)日：2014-04-22
申请号：US13086325
申请日：2011-04-13
CPC分类号： H03L7/18 , H03B19/14 , H03B2200/0078 , H03J2200/10
摘要： A tunable Injection-Locked Oscillator (ILO) having a wide locking range is used in a Local Oscillator (LO) of a wideband wireless transceiver to generate differential signals. The ILO includes a resonator with an adjustable natural oscillating frequency. In one example, the ILO is part of a quadrature divider that can lock onto a Phase-Locked Loop (PLL) output signal in a wide frequency band while achieving lower power consumption and lower phase noise than a differential latch type divider. The ILO is tuned by disabling a Voltage-Controlled Oscillator (VCO) from driving the ILO, adjusting the natural oscillating frequency, making a measurement indicative of the natural oscillating frequency, and determining whether the measurement is within a predetermined range. If the measurement is below the predetermined range, capacitances of resonators within the ILO are decreased, whereas if the measurement is above the predetermined range, capacitances of the resonators are increased.
摘要翻译： 在宽带无线收发器的本地振荡器（LO）中使用具有宽锁定范围的可调注入锁定振荡器（ILO）以产生差分信号。 国际劳工组织包括具有可调节的自然振荡频率的谐振器。 在一个示例中，国际劳工组织是正交分频器的一部分，其可以在宽频带内锁定锁相环（PLL）输出信号，同时实现比差分锁存器类型分频器更低的功耗和更低的相位噪声。 国际劳工组织通过禁用驱动国际劳工组织的电压控制振荡器（VCO）进行调整，调整自然振荡频率，进行表示自然振荡频率的测量，以及确定测量是否在预定范围内。 如果测量低于预定范围，则国际劳工组织内的谐振器的电容减小，而如果测量高于预定范围，则谐振器的电容增加。
-
公开(公告)号：US08829954B2
公开(公告)日：2014-09-09
申请号：US13070252
申请日：2011-03-23
CPC分类号： H03K3/356182 , H03B19/14 , H03K23/425
摘要： A frequency divider circuit is described. The frequency divider circuit includes a first cross-coupling. The first cross-coupling includes a first cross-coupled transistor with a first gate. The first gate is separately biased. The first cross-coupling also includes a second cross-coupled transistor with a second gate. The second gate is separately biased. The first gate is coupled to the second cross-coupled transistor and the second gate is coupled to the first cross-coupled transistor.
摘要翻译： 描述了分频器电路。 分频器电路包括第一交叉耦合。 第一交叉耦合包括具有第一栅极的第一交叉耦合晶体管。 第一个门是单独的偏见。 第一交叉耦合还包括具有第二栅极的第二交叉耦合晶体管。 第二个门是分开的偏见。 第一栅极耦合到第二交叉耦合晶体管，第二栅极耦合到第一交叉耦合晶体管。
-
公开(公告)号：US08791763B2
公开(公告)日：2014-07-29
申请号：US13570933
申请日：2012-08-09
IPC分类号： H03L7/18
CPC分类号： H03B19/14 , H03B2200/0074 , H03L7/183
摘要： Tunable injection locked (IL) dividers having enhanced locking range, good phase noise performance, and low power consumption are disclosed. In an exemplary design, an apparatus (e.g., a wireless device) includes an oscillator and at least one IL divider. The oscillator provides an oscillator signal at a first frequency. The at least one IL divider receives the oscillator signal and provides an output signal at a second frequency, which is related to the first frequency by an overall divider ratio for the IL divider(s). Each IL divider may be calibrated based on a target frequency of that IL divider. Each IL divider may be calibrated (e.g., by tuning at least one adjustable capacitor) to obtain an oscillation frequency within a predetermined tolerance of the target frequency of that IL divider. The oscillator may be calibrated based on a target oscillation frequency of the oscillator.
摘要翻译： 公开了具有增强的锁定范围，良好的相位噪声性能和低功耗的可调注入锁定（IL）分配器。 在示例性设计中，装置（例如，无线装置）包括振荡器和至少一个IL分配器。 振荡器以第一个频率提供振荡器信号。 至少一个IL分配器接收振荡器信号，并以第二频率提供输出信号，该第二频率与第一频率相关联，用于IL分频器的总分频比。 每个IL分压器可以基于该IL分压器的目标频率进行校准。 每个IL分压器可以被校准（例如，通过调谐至少一个可调电容器）以获得在该IL分压器的目标频率的预定公差内的振荡频率。 振荡器可以基于振荡器的目标振荡频率进行校准。
-
公开(公告)号：US10508305B2
公开(公告)日：2019-12-17
申请号：US15442864
申请日：2017-02-27
申请人： Damoun Nashtaali , Seyed Abolfazl Motahari , Mehrdad Mehrbod , Babak Hossein Khalaj , Mazhareddin Taghivand
发明人： Damoun Nashtaali , Seyed Abolfazl Motahari , Mehrdad Mehrbod , Babak Hossein Khalaj , Mazhareddin Taghivand
IPC分类号： C12Q1/68 , C12Q1/6874 , G16B30/10
摘要： An integrated system for sequencing a string of oligo-nucleotides is disclosed, the system includes a sequencer for sequencing a plurality of fragments of the string of oligo-nucleotides via identifying oligo-nucleotides of the fragments one by one and a processor for processing the identified oligo-nucleotides to determine the sequence of the string of oligo-nucleotides and to stop the sequencer from sequencing redundant fragments, where the sequencer and the processor operate in a cycle for each oligo-nucleotide of the fragments.
-
公开(公告)号：US20170166963A1
公开(公告)日：2017-06-15
申请号：US15442864
申请日：2017-02-27
申请人： Damoun Nashtaali , Seyed Abolfazl Motahari , Mehrdad Mehrbod , Babak Hossein Khalaj , Mazhareddin Taghivand
发明人： Damoun Nashtaali , Seyed Abolfazl Motahari , Mehrdad Mehrbod , Babak Hossein Khalaj , Mazhareddin Taghivand
IPC分类号： C12Q1/68
CPC分类号： C12Q1/6874 , G16B30/10 , C12Q2535/113
摘要： An integrated system for sequencing a string of oligo-nucleotides is disclosed, the system includes a sequencer for sequencing a plurality of fragments of the string of oligo-nucleotides via identifying oligo-nucleotides of the fragments one by one and a processor for processing the identified oligo-nucleotides to determine the sequence of the string of oligo-nucleotides and to stop the sequencer from sequencing redundant fragments, where the sequencer and the processor operate in a cycle for each oligo-nucleotide of the fragments.
-
-
-
-
-
-
-
-
-
搜索结果
14 条记录 (耗时 0.025 秒)
