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    • 1. 发明授权
    • 전압 제어 발진기용 프로그램 가능 커패시터 뱅크
    • 전압제어발진기용프로그램가능커패시터뱅크
    • KR100929795B1
    • 2009-12-07
    • KR1020067022717
    • 2005-03-03
    • 퀄컴 인코포레이티드
    • 펠루소,비센조필립안드레
    • H03B5/12H03B5/08H03B5/00
    • H03B5/1228H03B5/1215H03B5/1231H03B5/1243H03B5/1265H03B5/1287H03B5/1293H03B2201/0266H03B2201/0283H03J1/005H03J2200/10
    • A programmable capacitor bank includes multiple tuning elements. Each tuning element includes two tuning capacitors and a pass transistor that electrically connects or disconnects the capacitors to/from common nodes. For a thermometer decoded capacitor bank, the tuning capacitors for all tuning elements have equal capacitance. Each tuning element further includes at least one pull-up transistor that provides high bias voltage for the pass transistor and at least one pull-down transistor that provides low bias voltage for the pass transistor. The multiple tuning elements may be arranged in a ladder topology such that (1) the tuning elements are turned on in sequential order starting from one end of the ladder and going toward the other end of the ladder and (2) each tuning element receives biasing from a preceding tuning element and provides biasing to a succeeding tuning element. The capacitor bank may be used for VCOs and other circuits.
    • 可编程电容器组包括多个调谐元件。 每个调谐元件包括两个调谐电容器和将电容器与公共节点电连接或断开的传输晶体管。 对于温度计解码电容器组,所有调谐元件的调谐电容器具有相同的电容。 每个调谐元件还包括为传输晶体管提供高偏置电压的至少一个上拉晶体管和为传输晶体管提供低偏置电压的至少一个下拉晶体管。 多个调谐元件可以以梯形拓扑布置,使得(1)调谐元件以从梯子的一端开始并且朝向梯子的另一端的顺序开启,并且(2)每个调谐元件接收偏置 来自前一个调谐元件并且向后续的调谐元件提供偏置。 电容器组可用于VCO和其他电路。
    • 2. 发明公开
    • 고속 신호 응답을 위한 공진기
    • 谐振器用于快速信号响应
    • KR1020120072039A
    • 2012-07-03
    • KR1020100133803
    • 2010-12-23
    • 한국전자통신연구원
    • 박봉혁정재호
    • H03B5/12
    • H03B5/1212H03B5/1228H03B5/1243H03B5/1287H03B2201/0208
    • PURPOSE: A resonator for responding a high speed signal is provided to obtain high gains by forming active feedback load. CONSTITUTION: A first transconductor(101) changes a voltage signal into a current signal. An LC(Resonant Circuit) tank(103) extracts only a desired frequency signal from signals outputted from the first transconductor. A second transconductor(102) increases a quality factor of the signals outputted from the LC tank. The first transconductor includes transistors changing the voltage signal into the current signal, transistors for linearity maintenance, and transistor consisting of a current source. The transistors are composed of an N-channel MOS(Metal-Oxide Semiconductor) field effect transistor.
    • 目的:提供用于响应高速信号的谐振器,以通过形成主动反馈负载来获得高增益。 构成:第一跨导体(101)将电压信号改变为电流信号。 LC(谐振电路)槽(103)仅从第一跨导体输出的信号中提取期望的频率信号。 第二跨导体(102)增加从LC箱输出的信号的品质因数。 第一个跨导体包括将电压信号改变为电流信号的晶体管,用于线性维护的晶体管和由电流源组成的晶体管。 晶体管由N沟道MOS(金属氧化物半导体)场效应晶体管构成。
    • 5. 发明公开
    • 전압 제어 발진기용 프로그램 가능 커패시터 뱅크
    • 用于电压控制振荡器的可编程电容器库
    • KR1020060129095A
    • 2006-12-14
    • KR1020067022717
    • 2005-03-03
    • 퀄컴 인코포레이티드
    • 펠루소,비센조필립안드레
    • H03B5/12H03B5/08H03B5/00
    • H03B5/1228H03B5/1215H03B5/1231H03B5/1243H03B5/1265H03B5/1287H03B5/1293H03B2201/0266H03B2201/0283H03J1/005H03J2200/10
    • A programmable capacitor bank includes multiple tuning elements (510y). Each tuning element includes two tuning capacitors (513y, 514y) and a pass transistor (516y) that electrically connects or disconnects the capacitors to/from common nodes. (V1z, Vrz, V1y, Vry) For a thermometer decoded capacitor bank, the tuning capacitors for all tuning elements have equal capacitance. (Ct) Each tuning element further includes at least one pull-up transistor (522y, 524y) that provides high bias voltage for the pass transistor and at least one pull- down transistor (526y, 528y) that provides low bias voltage for the pass transistor. The multiple tuning elements may be arranged in a ladder topology such that (1) the tuning elements are turned on in sequential order starting from one end of the ladder and going toward the other end of the ladder and (2) each tuning element receives biasing from a preceding tuning element and provides biasing to a succeeding tuning element. The capacitor bank may be used for VCOs and other circuits.
    • 可编程电容器组包括多个调谐元件(510y)。 每个调谐元件包括两个调谐电容器(513y,514y)和将电容器与公共节点电连接或断开的传输晶体管(516y)。 (V1z,Vrz,V1y,Vry)对于温度计解码电容器组,用于所有调谐元件的调谐电容器具有相等的电容。 (Ct)每个调谐元件还包括为传递晶体管提供高偏置电压的至少一个上拉晶体管(522y,524y)以及为通过提供低偏置电压的至少一个下拉晶体管(526y,528y) 晶体管。 多个调谐元件可以被布置成梯形拓扑结构,使得(1)调谐元件从梯子的一端开始并且朝着梯子的另一端顺序地接通,并且(2)每个调谐元件接收偏置 并且向后续的调谐元件提供偏置。 电容器组可用于VCO和其他电路。