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Patent Agency Ranking
公开(公告)号：KR101563439B1
公开(公告)日：2015-10-27
申请号：KR1020140179383
申请日：2014-12-12
Applicant: 성균관대학교산학협력단
IPC: H03B5/12
CPC classification number: H03B5/1212 , H03B5/1228 , H03B5/124 , H03B5/12
Abstract: 본발명의실시예에따른전류재사용전압제어발진기는제1 및제2 단자들사이에병렬연결된커패시터및 인덕터로구성되는 LC 발진회로, LC 발진회로의제1 단자와전원단자사이에연결된제1 트랜지스터및 LC 발진회로의제2 단자와접지단자사이에연결된제2 트랜지스터를포함하고, 제1 및제2 바이어스제어신호들에따라제1 및제2 트랜지스터들의각각의게이트들에제1 및제2 바이어스전압들을각각인가하는바이어스전압생성부, 제2 트랜지스터의소스와접지단자사이에연결되고저항제어신호에따라저항값이가변하는가변소스저항, 제1 및제2 바이어스제어신호들을생성하는바이어스전압제어부및 저항제어신호를생성하는소스저항제어부를더 포함할수 있다.
Abstract translation: 根据本发明，具有自动误差校准功能的电流再利用压控振荡器包括：在第一和第二端子之间并联连接的由电容器和电感器组成的LC振荡电路; 连接在LC振荡电路的第一端子和电源端子之间的第一晶体管; 以及连接在LC振荡电路的第二端子和接地端子之间的第二晶体管。 振荡器还包括：偏置电压产生部分，其根据第一和第二偏置信号分别对第一和第二晶体管的每个栅极施加第一和第二偏置电压; 连接在第二晶体管的源极和接地端子之间的可变源电阻器，具有根据电阻控制信号而变化的电阻值; 偏置电压控制部，其产生第一和第二偏置控制信号; 以及产生电阻控制信号的源电阻控制部。
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公开(公告)号：KR101390393B1
公开(公告)日：2014-04-30
申请号：KR1020130014460
申请日：2013-02-08
Applicant: 성균관대학교산학협력단
IPC: H03L7/093
CPC classification number: H03L7/0895 , H02M3/07 , H03K5/133 , H03L7/0995 , H03L7/1072
Abstract: A frequency generating apparatus including a charge pump and a loop filter, which is an open loop charge pump bias adjusting device for compensating a charge pump, according to embodiments of the present invention includes a pull-up bias voltage generating unit which generates a pull-up bias voltage and provides the pull-up bias voltage for a charge pump; an integrator which obtains an integral voltage by integrating the output voltage of a loop filter generated by the current of a pull-up charge pump flowing in the loop filter during a pull-up section where the charge pump generates the pull-up charge pump current by using the pull-up bias voltage; n number of comparators which output the result of a comparison between a sampled integral voltage and n number of reference voltages as a comparison signal of n bits when the pull-up section ends; a register of n bits which stores the comparison signal of n bits and outputs the comparison signal as a charge pump compensation signal of n bits; and a pull-down bias voltage generating unit which generates a pull-down bias voltage determined by the charge pump compensation signal and provides the pull-down bias voltage for the charge pump. [Reference numerals] (14) Frequency divider; (50) Charge pump bias adjusting unit; (AA) Bandwidth adjustment control unit; (BB) Test voltage generating unit; (CC) Automatic device compensating unit
Abstract translation: 根据本发明实施例的包括电荷泵和环路滤波器的频率发生装置包括一个用于补偿电荷泵的开环电荷泵偏置调节装置，该上拉偏置电压产生单元产生一个上拉电压， 并提供电荷泵的上拉偏置电压; 积分器，其通过对在电荷泵产生上拉电荷泵电流的上拉部分期间积分由在环路滤波器中流动的上拉电荷泵的电流产生的环路滤波器的输出电压来获得积分电压 通过使用上拉偏置电压; n个比较器，其在上拉部分结束时输出采样积分电压和n个参考电压之间的比较结果作为n位比较信号; 存储n位的比较信号的n位的寄存器，并输出比较信号作为n位的电荷泵补偿信号; 以及下拉偏置电压产生单元，其产生由电荷泵补偿信号确定的下拉偏置电压，并为电荷泵提供下拉偏置电压。 （附图标记）（14）分频器; （50）电荷泵偏置调整单元; （AA）带宽调整控制单元; （BB）测试电压发生单元; （CC）自动装置补偿装置
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公开(公告)号：KR101599196B1
公开(公告)日：2016-03-04
申请号：KR1020150085248
申请日：2015-06-16
Applicant: 성균관대학교산학협력단
IPC: H04L7/033
Abstract: 본발명의실시예들에따라위상검출부, 차지펌프, 루프필터, 전압제어발진기및 주파수검출부를포함하는클럭데이터복원장치에서, 전압제어발진기는주파수조절신호에따라가변하는발진주파수를가지고발진신호를출력하며, 주파수검출부는기준분주비에따라기준클럭신호로부터카운트활성구간신호를생성하는기준분주기, 카운트활성구간신호에따라전압제어발진기의발진신호에기초한발진카운트신호를생성하는카운터및 발진신호의목표주파수에따라결정되는목표카운트신호와발진카운트신호를비교하여주파수조절신호를출력하는발진주파수제어부를포함할수 있다.
Abstract translation: 根据本发明的实施例，时钟数据恢复装置包括相位检测单元，电荷泵，环路滤波器，压控振荡器和频率检测单元。 电压控制振荡器具有从频率控制信号变化的振荡频率，并产生振荡信号。 频率检测单元包括：基准分频器，其基于参考分频比产生来自参考时钟信号的计数激活部分信号; 基于所述计数激活部分信号，基于所述电压控制振荡器的振荡信号产生振荡计数信号的计数器; 以及振荡频率控制器，通过将由振荡信号的目标频率确定的目标计数信号与振荡计数信号进行比较来产生频率控制信号。
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公开(公告)号：KR101563438B1
公开(公告)日：2015-10-27
申请号：KR1020140178235
申请日：2014-12-11
Applicant: 성균관대학교산학협력단
IPC: H03K21/00
CPC classification number: H03B19/14 , H03B2200/007 , H03B2200/0074 , H03K3/0315 , H03K3/0322 , H03K21/00 , H03L7/099 , H03L7/16
Abstract: 본발명의실시예들에따른주입동기주파수분주기는저항조절신호에따라조절되는가변부하저항을가지며, 주입신호의주파수분주한분주출력신호를출력하는서브하모닉주입동기발진기, 기준분주비에따라기준클럭신호로부터카운트활성구간신호를생성하는기준분주기, 카운트활성구간신호에따라분주출력신호에기초한분주출력카운트신호를생성하는카운터및 분주출력신호의목표주파수에따라결정되는목표카운트신호와분주출력카운트신호를비교하여저항조절신호를출력하는가변부하저항제어부를포함할수 있다.
Abstract translation: 根据本发明的实施例的注入锁定分频器可以包括：具有由电阻控制信号控制的可变负载电阻的次谐波注入锁定振荡器，并且输出分频输出信号划分注入信号的频率; 参考分压器，其根据参考分频比从参考时钟信号产生计数器有效范围信号; 计数器，其根据所述计数器有效范围信号，基于所述除法输出信号生成除法输出计数信号; 以及可变电阻控制部分，其将分割输出计数信号和由分割输出信号的目标频率确定的目标计数器信号进行比较，并输出电阻控制信号。
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公开(公告)号：KR101419834B1
公开(公告)日：2014-07-18
申请号：KR1020130005678
申请日：2013-01-18
Applicant: 성균관대학교산학협력단
CPC classification number: H03L7/0995 , H03B5/1218 , H03B5/1225 , H03B5/1243 , H03B2201/0208
Abstract: An automatic device control circuit for a ring type voltage-controlled oscillator according to embodiments of the present invention is an open loop automatic device control circuit for the ring type voltage-controlled oscillator which a plurality of delay cells are connected in a ring shape to output an oscillation output in accordance with a control voltage. The automatic device control circuit includes: a bias control unit for selecting the intensity of bias current which flows through a delay cell; a load control unit for selecting the intensity of variable load capacitance to configure at least a part of equivalent load capacitance which appears in the delay cell; and a gain control unit for selecting the intensity of control voltage to additional driving current gain to generate an additional driving current, which is also capable of charging the equivalent load capacitance of the delay cell as well as the bias current, in accordance with the control voltage.
Abstract translation: 根据本发明的实施例的环形压控振荡器的自动装置控制电路是环形压控振荡器的开环自动装置控制电路，多个延迟单元以环形连接以输出 根据控制电压的振荡输出。 自动装置控制电路包括：偏置控制单元，用于选择流经延迟单元的偏置电流的强度; 用于选择可变负载电容的强度以配置出现在所述延迟单元中的至少一部分等效负载电容的负载控制单元; 以及增益控制单元，用于选择控制电压的强度到附加的驱动电流增益，以产生额外的驱动电流，其还能够根据控制来对延迟单元的等效负载电容以及偏置电流进行充电 电压。
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