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

Inventor： 이희동 ,  윤석주 ,  김귀동 ,  권종기

IPC: H03B5/08 ,  H03B5/12

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。

公开(公告)号：KR101720135B1

公开(公告)日：2017-03-27

申请号：KR1020100125786

申请日：2010-12-09

Applicant: 한국전자통신연구원

Inventor： 이희동 ,  윤석주 ,  김귀동 ,  권종기

IPC: H03L7/087

Abstract: 본발명은다중-루프로구성되는위상고정루프회로에관한것이다. 본발명에따른위상고정루프회로는주파수검출기, 위상검출기, 제 1 및제 2 전하펌프, 루프필터및 전압제어발진기를포함한다. 상기주파수검출기는기준신호및 발진신호에대한분주신호의주파수차이를검출하고, 상기주파수차이에따른제 1 차동제어신호를출력한다. 상기위상검출기는상기기준신호및 상기발진신호에대한필터링신호의위상차이를샘플링동작을통해검출하고, 상기위상차이에따른제 2 차동제어신호를출력한다. 상기제 1 전하펌프는상기제 1 차동제어신호에따라조절되는제 1 전하를출력하고, 상기제 2 전하펌프는상기제 2 차동제어신호에따라조절되는제 2 전하를출력한다. 상기루프필터는상기제 1 및제 2 전하의합에대응하는전압을필터링하여제어전압을출력한다. 상기전압제어발진기는상기제어전압에응답하여상기발진신호를출력한다.

公开(公告)号：KR100874772B1

公开(公告)日：2008-12-19

申请号：KR1020070107435

申请日：2007-10-24

Applicant: 한국정보통신대학교 산학협력단 ,  한국전자통신연구원

Inventor： 이인영 ,  윤석주 ,  이상국 ,  최성훈 ,  김창선

IPC: H03B5/12

CPC classification number: H03B5/1212 ,  H03B5/1228

Abstract: A switch, a negative resistance unit, and a differential voltage controlled oscillator using the same are provided to minimize an implementation area. A differential voltage-controlled oscillator(1000) includes a resonator(200), first and second output terminals, and a negative resistance unit(100). The resonator generates the oscillation frequency corresponding to the inputted voltage. The first and second output terminals are connected to one end and other end of the resonator and output the oscillation frequency. The negative resistance unit is operated by corresponding to the oscillation frequency. The negative resistance unit includes the switch. The switch includes a first signal line, a second signal line, a source electrode, a first gate electrode, a second gate electrode, a first drain electrode, and a second drain electrode.

Abstract translation: 提供开关，负电阻单元和使用其的差分压控振荡器以最小化实现区域。 差分压控振荡器（1000）包括谐振器（200），第一和第二输出端子以及负电阻单元（100）。 谐振器产生对应于输入电压的振荡频率。 第一和第二输出端子连接到谐振器的一端和另一端并输出振荡频率。 负电阻单元与振荡频率相对应。 负电阻单元包括开关。 开关包括第一信号线，第二信号线，源电极，第一栅电极，第二栅电极，第一漏电极和第二漏电极。