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    • 82. 发明申请
    • QUADRATURE HYBRID
    • 混合混合
    • US20150200436A1
    • 2015-07-16
    • US14416703
    • 2012-07-27
    • Mingquan Bao
    • Mingquan Bao
    • H01P5/12H01P3/08H01P3/00
    • H01P5/12H01P3/003H01P3/081H01P5/184
    • A quadrature hybrid comprising first and second coupled open waveguides. Each open waveguide comprises first and second ports. One port in the first open waveguide is used as input port for an input signal which is used to generate I and Q output signals. The other port in the first open waveguide is used to output the Q signal, and one of the ports in the second waveguide is used to output the I signal. The other of the ports in the second open waveguide is an isolated port. The quadrature hybrid comprises a first differential amplifier with positive and negative ports, the positive port being connected to the first open waveguide and the negative port being connected to the second open waveguide.
    • 包括第一和第二耦合的开放波导的正交混合。 每个开放波导包括第一和第二端口。 第一开放波导中的一个端口用作用于产生I和Q输出信号的输入信号的输入端口。 第一开放波导中的另一个端口用于输出Q信号,并且第二波导中的一个端口用于输出I信号。 第二个开放波导中的另一个端口是隔离端口。 正交混合器包括具有正和负端口的第一差分放大器,正端口连接到第一开路波导,负端口连接到第二开路波导。
    • 88. 发明授权
    • Waveguides and transmission lines in gaps between parallel conducting surfaces
    • 平行导电表面之间的间隙中的波导和传输线
    • US08803638B2
    • 2014-08-12
    • US13002950
    • 2009-06-22
    • Per-Simon Kildal
    • Per-Simon Kildal
    • H01P1/00H01P3/00H01P3/08H01P1/20H01P3/123
    • H01P3/087H01P1/2005H01P3/123
    • A microwave device having a narrow gap between two parallel surfaces of conducting material by using a texture or multilayer structure on one of the surfaces. The fields are mainly present inside the gap, and not in the texture or layer structure itself, so the losses are small. The microwave device further comprises one or more conducting elements, such as a metal ridge or a groove in one of the two surfaces, or a metal strip located in a multilayer structure between the two surfaces. The waves propagate along the conducting elements. At least one of the surfaces is provided with means to prohibit the waves from propagating in other directions between them than along the ridge, groove or strip. At very high frequency the gap waveguides and gap lines may be realized inside an IC package or inside the chip itself.
    • 一种微波器件,其通过在其中一个表面上使用纹理或多层结构,在导电材料的两个平行表面之间具有窄间隙。 这些领域主要存在于间隙内,而不是纹理或层结构本身,所以损失很小。 微波装置还包括一个或多个导电元件,例如两个表面之一中的金属脊或凹槽,或位于两个表面之间的多层结构中的金属条。 波沿传导元件传播。 表面中的至少一个设有防止波在它们之间的其它方向上传播的装置,而不是沿着脊,槽或条带传播。 在非常高的频率下,间隙波导和间隙线可以在IC封装内或芯片内部实现。