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    • 5. 发明授权
    • 발진기 모듈
    • 振荡器模块
    • KR100483331B1
    • 2005-04-18
    • KR1020020083235
    • 2002-12-24
    • 전자부품연구원
    • 이규복이재영
    • H03B5/00
    • 유전체 기판의 상면에 마이크로스트립 라인을 형성하고, 배면의 금속층에는 소정 형상의 식각 공진패턴을 형성하여 고주파 초크코일을 형성하며, 그 고주파 초크코일을 형성한 유전체 기판상에 발진기의 부품들을 실장하고, 하모닉이 적으며, 감쇠특성이 우수한 발진기 모듈을 제공하는 것으로서 유전체 기판과, 상기 유전체 기판의 상면에 형성되는 마이크로스트립 라인과, 상기 유전체 기판의 배면에 형성되는 금속층과, 상기 금속층이 식각되어 상기 마이크로스트립 라인이 고주파 초크코일로 동작하게 하는 접지면 식각 공진패턴과, 상기 유전체 기판 상에 형성되고 상기 고주파 초크코일을 제외한 발진기의 부품들이 실장되는 부품 실장부로 구성된다.
    • 6. 发明公开
    • 인페이스 신호와 쿼드러쳐 신호 간의 위상차를 가변시킬수 있는 쿼드러쳐 전압제어 발진기
    • 相位信号与平均信号之间的相位差的变化
    • KR1020040077304A
    • 2004-09-04
    • KR1020030012814
    • 2003-02-28
    • 삼성전자주식회사
    • 조제광
    • H03B5/00
    • H03B27/00H03B5/1215H03B5/1221H03B5/1228H03B2200/0078
    • PURPOSE: A quadrature VCO(Voltage Controlled Oscillator) for varying a phase difference between an in-phase signal and a quadrature signal is provided to vary the phase difference between interface signals and quadrature signals from 0 to 180 degrees by varying an input voltage. CONSTITUTION: A first VCO(41) is used for generating a first output and a second output. A second VCO(42) is used for generating a third output and a fourth output. A first amplifier(43) is controlled by the first current and drives the first and the second outputs of the first VCO in response to the third and the fourth outputs of the second VCO. The second amplifier(44) is controlled by the second current and drives the first and the second outputs of the first VCO in response to the third and the fourth outputs of the second VCO. The third amplifier(45) is controlled by the third current and drives the third and the fourth outputs of the second VCO in response to the first and the second outputs of the first VCO. The fourth amplifier(46) is controlled by the fourth current and drives the third and the fourth outputs of the second VCO in response to the first and the second outputs of the first VCO.
    • 目的:提供用于改变同相信号和正交信号之间的相位差的正交VCO(压控振荡器),以通过改变输入电压来将接口信号和正交信号之间的相位差从0改变到180度。 构成:第一个VCO(41)用于产生第一个输出和第二个输出。 第二VCO(42)用于产生第三输出和第四输出。 第一放大器(43)由第一电流控制,并且响应于第二VCO的第三和第四输出驱动第一VCO的第一和第二输出。 第二放大器(44)由第二电流控制,并响应于第二VCO的第三和第四输出驱动第一VCO的第一和第二输出。 第三放大器(45)由第三电流控制,并且响应于第一VCO的第一和第二输出驱动第二VCO的第三和第四输出。 第四放大器(46)由第四电流控制,并响应于第一VCO的第一和第二输出驱动第二VCO的第三和第四输出。
    • 7. 发明公开
    • 백게이트를 이용한 저전력 4위상 전압 제어 발진기
    • 低功耗4相电压控制振荡器使用后门
    • KR1020030071748A
    • 2003-09-06
    • KR1020030058741
    • 2003-08-25
    • 학교법인 한국정보통신학원
    • 이상국김혜령
    • H03B5/00
    • H03K3/354H03B5/1215H03B5/1228H03B5/1243H03B2201/0208
    • PURPOSE: A low power 4-phase voltage control oscillator using a back gate is provided to implement coupling between a first and a second delay cells without utilizing an additional coupling transistor. CONSTITUTION: A low power 4-phase voltage control oscillator using a back gate includes a first delay cell(100) for outputting a first and a second dynamic phase signals, each of the first and the second dynamic phase signals having a phase different from each other, and a second delay cell(200) for outputting a first and a second orthogonal phase signals, each of the first and the second orthogonal phase signals having a phase different from each other. The first delay cell(100) includes a first switching transistor(MN41), a second switching transistor(MN42), an LC resonance circuit(110) and a first current source(ISS1). The second delay cell(200) includes a third switching transistor(MN43), a fourth switching transistor(MN44), an LC resonance circuit(210) and a second current source(ISS2). In the low power 4-phase voltage control oscillator, the first and the second orthogonal phase signals are applied to the back gates of the first and the second switching transistors(MN41,MN42) and the first and the second dynamic phase signals are applied to the back gates of the third and the fourth switching transistors(MN43,MN44).
    • 目的:提供使用背栅的低功率4相电压控制振荡器,以实现第一和第二延迟单元之间的耦合,而不需要额外的耦合晶体管。 构成:使用背栅的低功率4相电压控制振荡器包括用于输出第一和第二动态相位信号的第一延迟单元(100),第一和第二动态相位信号中的每一个具有不同于每个的相位 以及用于输出第一和第二正交相位信号的第二延迟单元(200),所述第一和第二正交相位信号中的每一个具有彼此不同的相位。 第一延迟单元(100)包括第一开关晶体管(MN41),第二开关晶体管(MN42),LC谐振电路(110)和第一电流源(ISS1)。 第二延迟单元(200)包括第三开关晶体管(MN43),第四开关晶体管(MN44),LC谐振电路(210)和第二电流源(ISS2)。 在低功率4相电压控制振荡器中,第一和第二正交相位信号被施加到第一和第二开关晶体管(MN41,MN42)的后栅极,第一和第二动态相位信号被施加到 第三和第四开关晶体管(MN43,MN44)的背栅极。