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1. 发明授权

US08350608B2 Phase locked loop circuit including automatic frequency control circuit and operating method thereof 有权
标题翻译：包括自动频率控制电路的锁相环电路及其操作方法
公开(公告)号：US08350608B2
公开(公告)日：2013-01-08
申请号：US12976449
申请日：2010-12-22
申请人： Hui Dong Lee , Seok Ju Yun , Kwi Dong Kim , Jong-Kee Kwon , Sang-Hyun Cho
发明人： Hui Dong Lee , Seok Ju Yun , Kwi Dong Kim , Jong-Kee Kwon , Sang-Hyun Cho
IPC分类号： H03L7/06
CPC分类号： H03L7/083 , H03J2200/10 , H03L7/0891 , H03L7/0995 , H03L7/187
摘要： Provided is a PLL circuit including automatic frequency control circuit and an operating method thereof. The voltage controlled oscillator is primarily controlled by an automatic frequency control circuit, and is secondarily controlled by a loop filter. The voltage controlled oscillator outputs a coarsely-tuned oscillation signal when primarily controlled, and outputs a finely-tuned oscillation signal when secondarily controlled. The PLL circuit can have a quick frequency fixing time, and output the oscillation signal having a broad and stable frequency. Moreover, the noise characteristic of the PLL circuit is enhanced.
摘要翻译：提供一种包括自动频率控制电路的PLL电路及其操作方法。压控振荡器主要由自动频率控制电路控制，二次由环路滤波器控制。压控振荡器在主要受控时输出粗调谐振荡信号，并在二次控制时输出微调振荡信号。 PLL电路可以具有快速的频率固定时间，并输出具有宽而稳定频率的振荡信号。此外，提高了PLL电路的噪声特性。

2. 发明授权

US08446194B2 Spread spectrum clock generating circuit 有权
标题翻译：扩频时钟发生电路
公开(公告)号：US08446194B2
公开(公告)日：2013-05-21
申请号：US13275753
申请日：2011-10-18
申请人： Seok Ju Yun , Hui Dong Lee , Kwi Dong Kim , Jong-Kee Kwon
发明人： Seok Ju Yun , Hui Dong Lee , Kwi Dong Kim , Jong-Kee Kwon
IPC分类号： H03L7/06
CPC分类号： H03L7/1976 , H03L7/0891
摘要： Provided is a spread spectrum clock generating circuit. The spread spectrum clock generating circuit includes: a phase detector receiving a reference frequency signal from the external and detecting a phase difference between the reference frequency signal and a frequency-divided signal; a voltage controlled oscillator outputting an oscillation signal corresponding to a detection result of the phase detector; a main divider generating the frequency-divided signal by dividing a frequency of the oscillation signal by a main dividing ratio; and a dividing ratio controller generating a variable count value, generating a sub dividing ratio by performing delta-sigma modulation according to the count value, and adjusting the main dividing ratio according to the sub dividing ratio.
摘要翻译：提供了一种扩频时钟发生电路。扩频时钟发生电路包括：相位检测器，从外部接收参考频率信号，并检测参考频率信号与分频信号之间的相位差; 输出与所述相位检测器的检测结果对应的振荡信号的压控振荡器; 主分压器，通过将振荡信号的频率除以主分频比来产生分频信号; 以及产生可变计数值的分频比控制器，通过根据计数值进行Δ-Σ调制而产生分分割比，并根据分分割比调节主分频比。

3. 发明申请

US20110018646A1 LC VOLTAGE-CONTROLLED OSCILLATOR 审中-公开
标题翻译： LC电压控制振荡器
公开(公告)号：US20110018646A1
公开(公告)日：2011-01-27
申请号：US12840478
申请日：2010-07-21
申请人： Hui Dong LEE , Seok Ju Yun , Kwi Dong Kim , Jong Kee Kwon
发明人： Hui Dong LEE , Seok Ju Yun , Kwi Dong Kim , Jong Kee Kwon
IPC分类号： H03B5/12
CPC分类号： H03B5/1228 , H03B5/1215 , H03B5/1218 , H03B5/1221 , H03B5/1243
摘要： An LC voltage-controlled oscillator (VCO) is provided. According to the LC voltage-controlled oscillator (VCO), the amplitude of an oscillation signal is improved by increasing the impedance value of an amplifier circuit seen from an output node in an LC voltage-controlled oscillator (VCO), and phase noise is also improved.
摘要翻译：提供了一个LC压控振荡器（VCO）。根据LC压控振荡器（VCO），通过增加从LC压控振荡器（VCO）中的输出节点看到的放大器电路的阻抗值，振荡信号的振幅得到改善，相位噪声也是改进。

4. 发明授权

US08264293B2 Oscillator 有权
标题翻译：振荡器
公开(公告)号：US08264293B2
公开(公告)日：2012-09-11
申请号：US12844686
申请日：2010-07-27
申请人： Seok Ju Yun , Hui Dong Lee , Kwi Dong Kim , Jong Kee Kwon
发明人： Seok Ju Yun , Hui Dong Lee , Kwi Dong Kim , Jong Kee Kwon
IPC分类号： H03B5/08
CPC分类号： H03B5/1228 , H03B5/1215 , H03B5/1218 , H03B5/1225 , H03B5/1253 , H03B5/1296
摘要： Provided is a transformer-based oscillator which is suited to oscillate frequencies in multiple bands. An oscillator includes a transformer resonance unit and a plurality of complementary transistors. The transformer resonance unit includes a primary coil and a secondary coil corresponding to the primary coil. The plurality of complementary transistors have gates and drains between which both ends of the transformer resonance unit are respectively connected. Thus, the oscillator may operate in a differential mode or common mode according to the phase of the transformer resonance unit. Also, a complementary transistor constituting a multiband oscillation loop may be independently connected to both ends of the transformer resonance unit, and an oscillation loop of at least one band may be selected out of a multiband oscillation loop using a switch unit. Thus, the oscillator may be suited to oscillate resonance frequencies in multiple bands.
摘要翻译：提供了一种适用于在多个频带中振荡频率的基于变压器的振荡器。振荡器包括变压器谐振单元和多个互补晶体管。变压器谐振单元包括初级线圈和对应于初级线圈的次级线圈。多个互补晶体管具有分别连接变压器谐振单元的两端的栅极和漏极。因此，振荡器可以根据变压器谐振单元的相位以差模或共模工作。此外，构成多频带振荡回路的互补晶体管可以独立地连接到变压器谐振单元的两端，并且可以使用开关单元从多频带振荡回路中选择至少一个频带的振荡回路。因此，振荡器可以适合于振荡多个频带中的谐振频率。

5. 发明申请

US20130156069A1 PROCESS INDEPENDENT TEMPERATURE SENSOR BASED ON OSCILLATOR 有权
标题翻译：基于振荡器的过程独立温度传感器
公开(公告)号：US20130156069A1
公开(公告)日：2013-06-20
申请号：US13620594
申请日：2012-09-14
申请人： Seok Ju Yun , Young-deuk Jeon , Tae Moon Roh , Jong-Kee Kwon , Woo Seok Yang , Jongdae Kim
发明人： Seok Ju Yun , Young-deuk Jeon , Tae Moon Roh , Jong-Kee Kwon , Woo Seok Yang , Jongdae Kim
IPC分类号： G01K7/00
CPC分类号： G01K7/32
摘要： The inventive concept discloses a new temperature sensor structure based on oscillator which is insensitive to a process change and improves an error rate of temperature output. The temperature sensor based on oscillator compares an oscillator circuit structure insensitive to a temperature change with an oscillator circuit structure having a frequency change in proportion to a temperature change to output a relative difference between the two oscillator circuit structures and thereby it is compensated itself. In the temperature sensor based on oscillator, a problem of performance reduction due to an external environment and a process deviation of temperature sensor is improved and an output distortion and temperature nonlinearity are effectively improved. Thus, since the temperature sensor based on oscillator has a structure of high performance, low power and low cost, it can be variously used in a detection equipment of temperature environment.
摘要翻译：本发明的概念公开了一种基于振荡器的新型温度传感器结构，其对过程变化不敏感并且提高了温度输出的误差率。基于振荡器的温度传感器将对温度变化不敏感的振荡器电路结构与具有与温度变化成比例的频率变化的振荡器电路结构进行比较，以输出两个振荡器电路结构之间的相对差，由此自身进行补偿。在基于振荡器的温度传感器中，提高了由于外部环境导致的性能降低和温度传感器的工艺偏差的问题，并且有效地提高了输出失真和温度非线性。因此，由于基于振荡器的温度传感器具有高性能，低功率和低成本的结构，因此可以被多种用于温度环境的检测设备中。

6. 发明授权

US09068896B2 Process independent temperature sensor based on oscillator 有权
标题翻译：基于振荡器的独立温度传感器
公开(公告)号：US09068896B2
公开(公告)日：2015-06-30
申请号：US13620594
申请日：2012-09-14
申请人： Seok Ju Yun , Young-deuk Jeon , Tae Moon Roh , Jong-Kee Kwon , Woo Seok Yang , Jongdae Kim
发明人： Seok Ju Yun , Young-deuk Jeon , Tae Moon Roh , Jong-Kee Kwon , Woo Seok Yang , Jongdae Kim
IPC分类号： G01K11/00 , G01K7/32
CPC分类号： G01K7/32
摘要： The inventive concept discloses a new temperature sensor structure based on oscillator which is insensitive to a process change and improves an error rate of temperature output. The temperature sensor based on oscillator compares an oscillator circuit structure insensitive to a temperature change with an oscillator circuit structure having a frequency change in proportion to a temperature change to output a relative difference between the two oscillator circuit structures and thereby it is compensated itself. In the temperature sensor based on oscillator, a problem of performance reduction due to an external environment and a process deviation of temperature sensor is improved and an output distortion and temperature nonlinearity are effectively improved. Thus, since the temperature sensor based on oscillator has a structure of high performance, low power and low cost, it can be variously used in a detection equipment of temperature environment.
摘要翻译：本发明的概念公开了一种基于振荡器的新型温度传感器结构，其对过程变化不敏感并且提高了温度输出的误差率。基于振荡器的温度传感器将对温度变化不敏感的振荡器电路结构与具有与温度变化成比例的频率变化的振荡器电路结构进行比较，以输出两个振荡器电路结构之间的相对差，由此自身进行补偿。在基于振荡器的温度传感器中，提高了由于外部环境导致的性能降低和温度传感器的工艺偏差的问题，并且有效地提高了输出失真和温度非线性。因此，由于基于振荡器的温度传感器具有高性能，低功率和低成本的结构，因此可以被多种用于温度环境的检测设备中。

7. 发明授权

US08508265B2 Differential controlled phase locked loop circuit 有权
标题翻译：差分控制锁相环电路
公开(公告)号：US08508265B2
公开(公告)日：2013-08-13
申请号：US13243488
申请日：2011-09-23
申请人： Seok Ju Yun
发明人： Seok Ju Yun
IPC分类号： H03L7/06
CPC分类号： H03L7/087 , H03L7/0893 , H03L2207/06
摘要： Provided is a PLL circuit driven with a differential controlled voltage. The PLL circuit includes a VCO. The VCO outputs an oscillation signal in response to a difference between first and second control voltages. The PLL circuit includes a first loop for generating the first control voltage, and a second loop for generating the second control voltage having a phase opposite to the first control voltage. Intermediate generated signals of the first loop and intermediate generated signals of the second loop which respectively correspond to the intermediate generated signals of the first loop have opposed phases.
摘要翻译：提供用差分控制电压驱动的PLL电路。 PLL电路包括VCO。 VCO响应于第一和第二控制电压之间的差异输出振荡信号。 PLL电路包括用于产生第一控制电压的第一回路和用于产生具有与第一控制电压相反的相位的第二控制电压的第二回路。分别对应于第一回路的中间产生信号的第一回路的中间产生信号和第二回路的中间产生信号具有相对的相位。

8. 发明授权

US07304548B2 Differential voltage controlled oscillator using complementary transistors cross-coupled in series, and transceiver using the same 有权
标题翻译：差分压控振荡器使用互补晶体管串联耦合，收发器使用相同
公开(公告)号：US07304548B2
公开(公告)日：2007-12-04
申请号：US11142434
申请日：2005-06-01
申请人： Sang Gug Lee , So Bong Shin , Seok Ju Yun
发明人： Sang Gug Lee , So Bong Shin , Seok Ju Yun
IPC分类号： H03B5/12
CPC分类号： H03B5/1228 , H03B5/1212 , H03B5/1243 , H03D7/165
摘要： A differential voltage controlled oscillator comprises first and second transistors having opposite magnitudes and directions of currents flowing to a third electrode from a second electrode corresponding to a voltage between first and second electrodes; and a resonance circuit coupled to the second electrodes of the first and second transistors and controlling a frequency of an oscillation signal corresponding to a control voltage. The second electrode of the first transistor is coupled to the first electrode of the second transistor to form a first output terminal, the first electrode of the first transistor is coupled to the second electrode of the second transistor to form a second output terminal, and the third electrodes of the first and second transistors are coupled to first and second powers.
摘要翻译：差分压控振荡器包括第一和第二晶体管，其具有与第一和第二电极之间的电压相对应的从第二电极流向第三电极的电流的相反大小和方向; 以及耦合到第一和第二晶体管的第二电极的谐振电路，并且控制与控制电压对应的振荡信号的频率。第一晶体管的第二电极耦合到第二晶体管的第一电极以形成第一输出端，第一晶体管的第一电极耦合到第二晶体管的第二电极，以形成第二输出端，并且第一和第二晶体管的第三电极耦合到第一和第二功率。

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