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    • 2. 发明授权
    • Microstrip type bandpass filter
    • 微带型带通滤波器
    • US07369017B2
    • 2008-05-06
    • US11136471
    • 2005-05-25
    • Dong Suk JunHong Yeol LeeDong Young KimKyoung Ik ChoSang Seok Lee
    • Dong Suk JunHong Yeol LeeDong Young KimKyoung Ik ChoSang Seok Lee
    • H01P1/20H01P3/08
    • H01P1/203
    • A narrowband microstrip type bandpass filter adapted for a home network, telematics, an intelligent traffic system, and a satellite Internet, includes: an input terminal for receiving a predetermined signal; an output terminal for outputting a selection signal in a characteristic band; a first resonator electrically coupled with at least a portion of the input terminal; a second resonator electrically coupled with at least a portion of the first resonator; and a third resonator electrically coupled with at least a portion of the output terminal and the second resonator. A magnetic coupling is provided using a cross coupling gap or a cross coupling line between non-adjacent resonators, so that a pattern can be simplified by optimizing the design and the manufacturing process to provide low-cost millimeter-wave parts. The manufacturing cost can be reduced by miniaturizing the parts, and the mass production can be readily realized.
    • 适用于家庭网络,远程信息处理,智能交通系统和卫星互联网的窄带微带型带通滤波器包括:用于接收预定信号的输入端; 输出端子,用于输出特征频带中的选择信号; 与所述输入端子的至少一部分电耦合的第一谐振器; 与所述第一谐振器的至少一部分电耦合的第二谐振器; 以及与所述输出端子和所述第二谐振器的至少一部分电耦合的第三谐振器。 使用交叉耦合间隙或非相邻谐振器之间的交叉耦合线提供磁耦合,使得可以通过优化设计和制造工艺来简化图案以提供低成本的毫米波部分。 可以通过使部件小型化来降低制造成本,并且可以容易地实现批量生产。
    • 5. 发明授权
    • Microstrip band pass filter using end-coupled SIRs
    • 使用端耦合SIR的微带带通滤波器
    • US07183882B2
    • 2007-02-27
    • US10919332
    • 2004-08-17
    • Kyoung Suk KoDong Suk JunDong Young KimHong Yeol LeeSang Seok Lee
    • Kyoung Suk KoDong Suk JunDong Young KimHong Yeol LeeSang Seok Lee
    • H01P1/203
    • H01P1/20381
    • The present invention relates to a microstrip band pass filter and, more specifically, to a microstrip band pass filter using end-coupled stepped impedance resonators that can be used in a millimeter wave band, wherein the microstrip band pass filter comprises: a dielectric substrate; a conductor plate located on a lower surface of the dielectric substrate; and an input terminal, a plurality of SIRs and an output terminal located on an upper surface of the dielectric substrate in series, wherein the input terminal, the plurality of SIRs and the outputs terminal are conductors and end-coupled through gaps, whereby the microstrip band pass filter has a good attenuation characteristic and a narrowband characteristic, and is insensitive to the manufacturing error, and a fine frequency transition can be made without distortion just with width adjustment of the low impedance transmission line of the SIR.
    • 微带带通滤波器技术领域本发明涉及一种微带带通滤波器,更具体地说,涉及一种使用可用于毫米波段的端耦合阶梯式阻抗谐振器的微带带通滤波器,其中微带带通滤波器包括:电介质基片; 位于所述电介质基板的下表面上的导体板; 以及输入端子,多个SIR和输出端子,其串联地位于电介质基板的上表面上,其中输入端子,多个SIR和输出端子是导体并通过间隙端接,由此微带 带通滤波器具有良好的衰减特性和窄带特性,对制造误差不敏感,只要SIR的低阻抗传输线的宽度调整就可以进行精细的频率转换。
    • 6. 发明授权
    • S/N enhancer
    • S / N增强子
    • US06937112B2
    • 2005-08-30
    • US10185115
    • 2002-06-27
    • Dong Suk JunSang Seok LeeTae Goo ChoyJin Woo HahnDong Young KimHong Yeol Lee
    • Dong Suk JunSang Seok LeeTae Goo ChoyJin Woo HahnDong Young KimHong Yeol Lee
    • H01P1/215H01P1/23H01P5/10H01P5/19H04N5/52H01P5/12H01P5/20H01Q3/22
    • H01P5/10
    • A S/N enhancer using the magnetostatic wave signal. The S/N enhancer comprises a balun coupler for dividing an input signal into a first and second signals having the same power, the second signal having the phase difference of 180 degree with respect to the first signal; a saturation magnetostatic wave filter for receiving the first signal output from the balun coupler, converting that into a magnetostatic wave signal, and oppositely converting the magnetostatic wave signal, wherein the power of the magnetostatic wave signal is saturated if the first signal has the power of equal to and more than that of a noise signal; a delay line having the linearity to transmit the second signal output from the balun coupler; and a power synthesizer for synthesizing the respective signals output from the saturation magnetostatic wave filter and the delay line.
    • 使用静磁波信号的S / N增强器。 S / N增强器包括:平衡 - 不平衡转换器,用于将输入信号分成具有相同功率的第一和第二信号,第二信号相对于第一信号具有180度的相位差; 饱和静磁波滤波器,用于接收从平衡 - 不平衡变换器耦合器输出的第一信号,将其转换成静磁波信号,并相反地转换静磁波信号,其中如果第一信号具有 等于和大于噪声信号; 具有线性以延迟从所述平衡 - 不平衡转换器耦合器输出的第二信号的延迟线; 以及用于合成从饱和静磁波滤波器和延迟线输出的各个信号的功率合成器。
    • 7. 发明授权
    • S/N enhancer
    • S / N增强子
    • US06850132B2
    • 2005-02-01
    • US10737554
    • 2003-12-15
    • Dong Suk JunSang Seok LeeTae Goo ChoyJin Woo HahnDong Young KimHong Yeol Lee
    • Dong Suk JunSang Seok LeeTae Goo ChoyJin Woo HahnDong Young KimHong Yeol Lee
    • H01P1/215H01P1/23H01P5/10H01P5/19H04N5/52H01P1/20H03H7/34
    • H01P5/10
    • A S/N enhancer using the magnetostatic wave signal. The S/N enhancer comprises a balun coupler for dividing an input signal into a first and second signals having the same power, the second signal having the phase difference of 180 degree with respect to the first signal; a saturation magnetostatic wave filter for receiving the first signal output from said balun coupler, converting that into a magnetostatic wave signal, and oppositely converting the magnetostatic wave signal, wherein the power of the magnetostatic wave signal is saturated if the first signal has the power of equal to and more than that of a noise signal; a linear magnetostatic wave filter for receiving the second signal from said balun coupler, converting that into a magnetostatic wave signal, and oppositely converting the magnetostatic wave signal, wherein the received second signal is converted into the magnetostatic wave signal having an energy linear to the power of the input signal; and a power synthesizer for synthesizing the respective signals output from said saturation magnetostatic wave filter and said linear magnetostatic wave filter.
    • 使用静磁波信号的S / N增强器。 S / N增强器包括:平衡 - 不平衡转换器,用于将输入信号分成具有相同功率的第一和第二信号,第二信号相对于第一信号具有180度的相位差; 饱和静磁波滤波器,用于接收从所述平衡 - 不平衡变换器耦合器输出的第一信号,将其转换为静磁波信号,并相反地转换静磁波信号,其中如果第一信号的功率为 等于和大于噪声信号; 线性静磁波滤波器,用于接收来自所述平衡 - 不平衡转换器的第二信号,将其转换为静磁波信号,并相反地转换静磁波信号,其中所接收的第二信号被转换成具有与功率成线性关系的能量的静磁波信号 的输入信号; 以及用于合成从所述饱和静磁波滤波器和所述线性静磁波滤波器输出的各个信号的功率合成器。