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公开(公告)号：KR1020170119387A
公开(公告)日：2017-10-27
申请号：KR1020160047332
申请日：2016-04-19
Applicant: 한국전자통신연구원
Abstract: 이하, 저전력고주파증폭기가개시된다. 실시예에따른저전력고주파증폭기는 1 트랜지스터; 제2 트랜지스터; 제1 트랜지스터의드레인과제2 트랜지스터의소스에연결되는제1 인덕터; 제1 트랜지스터의게이트와제2 트랜지스터의소스에연결되는제2 인덕터; 및제2 트랜지스터의게이트에연결되는제3 인덕터를포함하고, 제1 트랜지스터의게이트는입력단과연결되고제2 트랜지스터의드레인은출력단과연결되며제1 트랜지스터의소스는그라운드로연결될수 있다.
Abstract translation: 在下文中，公开了一种低功率高频放大器。 根据实施例的低功率高频放大器包括一个晶体管; 第二晶体管; 第一晶体管的漏极;第一电感器，连接到第二晶体管的源极; 连接到第一晶体管的栅极和第二晶体管的源极的第二电感器; 连接到第二mitje晶体管的栅极的第三电感器的栅极，所述第一晶体管被耦合到所述输入级和所述第二晶体管的所述漏极连接到所述第一晶体管的输出源极可以连接到地。
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公开(公告)号：KR1020170108241A
公开(公告)日：2017-09-27
申请号：KR1020160031810
申请日：2016-03-17
Applicant: 한국전자통신연구원
Abstract: 전력증폭기의입력신호와출력신호의차이값에따라포락선신호에적용되는증폭이득을결정하는신호처리장치가제공된다. 상기신호처리장치는전력증폭기의입력신호및 출력신호사이의진폭크기의차이값을계산하여이득제어신호를생성하는계산부및 입력된상기이득제어신호에따라상기입력신호의포락선신호(envelope signal)에적용되는이득(gain)을결정하고, 상기포락선신호의크기를조정하는증폭부를포함할수 있다.
Abstract translation: 提供了一种信号处理设备，用于根据功率放大器的输入信号和输出信号之间的差值来确定将被应用于包络信号的放大增益。 信号处理单元包括计算单元，用于计算功率放大器的输入信号和输出信号之间的振幅大小之间的差值，以根据输入增益控制信号生成增益控制信号和输入信号的包络信号。 以及放大单元，用于确定所施加的增益并调整包络信号的幅度。
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公开(公告)号：KR101739911B1
公开(公告)日：2017-05-26
申请号：KR1020110036187
申请日：2011-04-19
Applicant: 한국전자통신연구원
IPC: H02P6/10
Abstract: 아날로그연산에의해역기전력을계산하는전처리부를구비한전동기제어장치가제공된다. 그러한전동기제어장치는오프셋보상부및 역기전력계측부를포함할수 있다. 오프셋보상부는전동기로부터 3상전류신호를수신하고, 그것의오프셋을보상한다. 역기전력계측부는상기보상된전류신호및 전동기로부터의 3상전압신호를수신하고, 아날로그연산에의해상기수신된전류신호및 전압신호에대응하는역기전력을계산하여제공한다.
Abstract translation: 提供了一种电动机控制装置，其包括用于通过模拟计算来计算反电动势的预处理部分。 这种电动机控制设备可以包括偏移补偿部分和反电动势测量部分。 偏移补偿部分接收来自电机的三相电流信号并补偿其偏移。 反电动势测量单元从电机接收补偿电流信号和三相电压信号，并通过模拟计算来计算并提供与接收的电流信号和电压信号相对应的反电动势。
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公开(公告)号：KR1020150084268A
公开(公告)日：2015-07-22
申请号：KR1020140004105
申请日：2014-01-13
Applicant: 한국전자통신연구원
IPC: H03L7/093
CPC classification number: H02M3/07 , H03L7/0895 , H03L7/0896 , H03L7/0898
Abstract: 본발명의실시예에따른전하펌프회로는복수의제 1 저항들및 제 1 스위치들을포함하며, 바이어스전류에대응하는스위칭제어신호에응답하여, 상기복수의제 1 저항들을통하는전류경로가바이패스되도록상기복수의제 1 스위치들을구동하여, 출력단의전압레벨을조절하는제 1 전압조절부, 복수의제 2 저항들및 제 2 스위치들을포함하며, 상기스위칭제어신호에응답하여, 상기복수의제 2 저항들을통하는전류경로가바이패스되도록상기복수의제 2 스위치들을구동하여, 상기제 1 전압조절부의출력단전압에대응되도록출력단의전압레벨을조절하는제 2 전압조절부, 상기제 1 전압조절부의출력단전압레벨에기반하여, 외부커패시터에전압을충전또는방전하는출력부를포함한다.
Abstract translation: 根据本发明的实施例的电荷泵电路包括第一电压控制部分，其包括第一电阻器和第一开关，响应于对应于偏置电流的开关控制信号，驱动第一开关以允许通过 第一电阻器绕过并控制输出端子的电压电平，包括第二电阻器和第二开关的第二电压控制部分响应于开关控制信号，驱动第二开关以允许通过第二电阻器的电流通路， 并且控制输出端子的电压电平对应于第一电压控制部分的输出端子的电压;以及输出部分，其以基于所述第一电压控制部分的输出端子的电压电平的电压对外部电容器进行充电和放电 第一电压控制部。
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Patent Agency Ranking
公开(公告)号：KR1020130012449A
公开(公告)日：2013-02-04
申请号：KR1020110073670
申请日：2011-07-25
Applicant: 한국전자통신연구원
CPC classification number: H03K4/501 , H03K4/00 , H03K4/06 , H03K4/08 , H03K4/12 , H03K4/48 , H03K4/50
Abstract: PURPOSE: A triangular waveform generator capable of regulating the pulse width of triangular waves for having various duty ratios and a triangular wave generation method thereof are provided to minimize the number of elements necessary for triangular wave generation, thereby simplifying a total structure. CONSTITUTION: A square wave signal generator(110) generates a square wave signal for the generation of triangular waves. A triangular wave generator(100) is able to generate the square wave signal in response to a reset signal. A resistance unit(120) is connected between the square wave signal generator and a capacitor unit(130). The resistance unit is able to control the voltage level of the square wave signal. The capacitor unit generates a triangular wave signal by using the square wave signal. The capacitor unit includes variable capacitors. The capacitor unit receives the square wave signal outputted from a transistor connected to an output terminal.
Abstract translation: 目的：提供能够调节用于具有各种占空比的三角波的脉冲宽度的三角波形发生器及其三角波产生方法，以最小化三角波产生所需的元件数量，从而简化总体结构。 构成：方波信号发生器（110）产生用于产生三角波的方波信号。 三角波发生器（100）能够响应于复位信号产生方波信号。 电阻单元（120）连接在方波信号发生器和电容器单元（130）之间。 电阻单元能够控制方波信号的电压电平。 电容器单元通过使用方波信号产生三角波信号。 电容器单元包括可变电容器。 电容器单元接收从连接到输出端子的晶体管输出的方波信号。
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公开(公告)号：KR1020120047379A
公开(公告)日：2012-05-14
申请号：KR1020100108683
申请日：2010-11-03
Applicant: 한국전자통신연구원
CPC classification number: H03L7/1976 , H03L7/0891
Abstract: PURPOSE: A spread spectrum clock generator is provided to generate a spreading spectrum clock by controlling a division ratio using a digital signal. CONSTITUTION: A phase detector(110) receives a reference frequency signal and a frequency division signal. The phase detector detects the phase difference of the reference frequency signal and the frequency division signal. A charge pump(120) generates an electric charge or a current in response to the output of the phase detector. A loop filter(130) includes a capacitor. A voltage control oscillator(140) generates an oscillation signal corresponding to the output voltage of the loop filter. A main divider(150) receives the oscillation signal from the voltage control oscillator. The main divider divides the oscillation signal according to a certain division ratio. A division ratio controller(170) comprises a triangle wave generator(172), a delta-sigma modulator(174), a sub divider(176), and a summer(178).
Abstract translation: 目的：提供扩频时钟发生器，通过使用数字信号控制分频比来产生扩展频谱时钟。 构成：相位检测器（110）接收参考频率信号和分频信号。 相位检测器检测参考频率信号和分频信号的相位差。 电荷泵（120）响应于相位检测器的输出产生电荷或电流。 环路滤波器（130）包括电容器。 电压控制振荡器（140）产生对应于环路滤波器的输出电压的振荡信号。 主分压器（150）从压控振荡器接收振荡信号。 主分压器根据一定的分频比划分振荡信号。 分频比控制器（170）包括三角波发生器（172），Δ-Σ调制器（174），子分频器（176）和加法器（178）。
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公开(公告)号：KR1020120025660A
公开(公告)日：2012-03-16
申请号：KR1020100087630
申请日：2010-09-07
Applicant: 한국전자통신연구원
CPC classification number: H03L7/083 , H03J2200/10 , H03L7/0891 , H03L7/0995 , H03L7/187
Abstract: PURPOSE: A phase locked loop circuit including an automatic frequency control circuit and an operating method thereof are provided to reduce time for fixing a arbitrary output frequency by including an automatic frequency control circuit which performs fast operation. CONSTITUTION: A phase detector(110) detects the phase or frequency difference of a divided oscillation signal and a reference frequency signal. A charge pump(120) generates an electric charge or current in response to the output of the phase detector. A loop filter(130) includes a capacitor. The capacitor of the loop filter is charged or discharged according to the output of the charge pump. A voltage control oscillator(140) generates an oscillation signal having a frequency corresponding to an output voltage in response to the output voltage of the loop filter. A divider(150) lowers the frequency of the oscillation signal outputted from the voltage control oscillator as much as a division ratio. An automatic frequency control circuit(160) outputs at least one or more digital code bits.
Abstract translation: 目的：提供一种包括自动频率控制电路及其操作方法的锁相环电路，通过包括执行快速操作的自动频率控制电路来减少固定任意输出频率的时间。 构成：相位检测器（110）检测分频振荡信号和基准频率信号的相位或频率差。 电荷泵（120）响应于相位检测器的输出产生电荷或电流。 环路滤波器（130）包括电容器。 环路滤波器的电容器根据电荷泵的输出进行充放电。 电压控制振荡器（140）响应于环路滤波器的输出电压产生具有对应于输出电压的频率的振荡信号。 分压器（150）将从压控振荡器输出的振荡信号的频率降低到分频比。 自动频率控制电路（160）输出至少一个或多个数字码位。
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公开(公告)号：KR101020513B1
公开(公告)日：2011-03-09
申请号：KR1020080087332
申请日：2008-09-04
Applicant: 한국전자통신연구원
CPC classification number: H03L7/095
Abstract: 본 발명에 따른 락 검출 회로는 2개의 지연 소자, 4개의 플립플롭, 2개의 논리 게이트로 구현이 가능하면서 PLL 회로의 락 상태를 정확하게 검출할 수 있다. 따라서, 락 검출 회로를 간단한 구조로 구현할 수 있으므로, 이에 따라 락 검출 회로의 소형화를 도모할 수 있으며 소비전력을 감소시킬 수 있다. 또한, 본 발명에 따른 락 검출 방법에 의하면, 락 상태를 검출하는 과정이 간단해지므로 빠른 시간내에 락 상태를 검출할 수 있다.
PLL(위상고정루프), 락(lock), 위상 주파수 검출기(PFD)-
公开(公告)号：KR1020110011511A
公开(公告)日：2011-02-08
申请号：KR1020100020194
申请日：2010-03-08
Applicant: 한국전자통신연구원
CPC classification number: H03B5/24 , H03B5/1215 , H03B5/1228 , H03B5/1265 , H03B2200/009
Abstract: PURPOSE: An LC voltage controlled generator is provided to reduce a power value in a specific offset frequency by improving the flicker noise of the LC voltage controlled generator. CONSTITUTION: An LC resonance circuit(210) comprises an inductor connected to a power terminal, a capacitor having a parallel connection with the inductor, and a variable capacitor which is connected in parallel between the inductor and the capacitor. An amplification circuit(220) includes a pair of negative boosting transistors and a pair of switching transistors. The gate node of the switching transistor is connected to a bias voltage through each resistor. A bias voltage supply circuit(230) comprises a current source and a transistor. The gate of the transistor has a constant DC voltage through a current source in the bias voltage supply circuit.
Abstract translation: 目的：提供LC电压控制发生器，通过提高LC电压控制发电机的闪烁噪声来降低特定偏移频率的功率值。 构成：LC谐振电路（210）包括连接到电源端子的电感器，与电感器并联的电容器，以及并联连接在电感器和电容器之间的可变电容器。 放大电路（220）包括一对负升压晶体管和一对开关晶体管。 开关晶体管的栅极节点通过每个电阻器连接到偏置电压。 偏置电压供给电路（230）包括电流源和晶体管。 晶体管的栅极通过偏压电源电路中的电流源具有恒定的直流电压。
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