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    • 41. 发明申请
    • Quadrature hybrid circuit
    • 正交混合电路
    • US20050052259A1
    • 2005-03-10
    • US10936692
    • 2004-09-09
    • Hiroshi OkazakiTetsuo HirotaAtsushi Fukuda
    • Hiroshi OkazakiTetsuo HirotaAtsushi Fukuda
    • H01P1/10H01P5/04H01P5/12H01P5/18H01P5/22H03H7/48
    • H01P5/227H01P5/04
    • In a quadrature hybrid circuit which has first and second two-port circuits 11 and 12 inserted between I/O ports P1 and P2 and between I/O ports P4 and P3, respectively, and third and fourth two-port circuits inserted between I/O ports P1 and P4 and between I/O ports P2 and P3, respectively, and which is configured so that under the condition that the I/O ports P1 to P4 are matched, a high-frequency signal fed via the I/O port P1 is divided between the I/O ports P2 and P3 and the divided two signals are output 90° out of phase with each other but no signal is provided to the I/O ports P4, there are provided SPST switches 7 and 8 responsive to external control to control electromagnetic connections or coupling across a plane of symmetry 5 of the quadrature hybrid circuit passing through intermediate points of symmetry 23 and 24 of the third and fourth two-port circuits 21 and 22.
    • 在正交混合电路中,分别具有分别插入在I / O端口P1和P2之间以及I / O端口P4和P3之间的第一和第二双端口电路11和12,以及插入在I / O端口P1和P2之间的第三和第四双端口电路。 O端口P1和P4以及I / O端口P2和P3之间,并且被配置为使得在I / O端口P1至P4匹配的条件下,经由I / O端口馈送的高频信号 P1在I / O端口P2和P3之间划分,并且分开的两个信号彼此相位输出90°,但是没有向I / O端口P4提供信号,因此提供SPST开关7和8响应于 外部控制以控制通过第三和第四双端口电路21和22的对称中间对称23和24的正交混合电路的对称平面5的电磁连接或耦合。
    • 43. 发明授权
    • Suspended stripline rat race mixer with simplified I. F. extraction
    • 悬挂带状线鼠混合器,简化I.F提取
    • US4811426A
    • 1989-03-07
    • US48104
    • 1987-05-07
    • Albert N. Pergande
    • Albert N. Pergande
    • H01P5/22H03D7/14H03D9/06H04B1/26
    • H01P5/222H03D9/0633H03D2200/0003H03D2200/0023H03D7/1408
    • This invention concerns suspended stripline having RF and LO inputs, in connection with which is used a novel rat race mixer (30). The rat race mixer is in the form of a ring (31) formed on a substrate (18), with the ring being entirely surrounded by a ground plane (24) located on the same side of the substrate (18) as the ring. Diode means (32 and 34) are utilized on the outer part of the ring (31), connecting the ring to the ground plane (24) at locations of RF and LO maxima. A high impedance lead (36) in the center of the ring (31) defines the location at which the IF is extracted, and in a preferred embodiment, a bellows (42) supported by the centerpost (40) of a coaxial bulkhead connector (46) is in contact with the high impedance lead (36).
    • 本发明涉及具有RF和LO输入的悬挂带状线,与此相关,使用新型的大鼠混合器(30)。 大鼠赛跑混合器是形成在基体(18)上的环(31)的形式,其中环被由与环形成的基底(18)相同侧的接地平面(24)完全包围。 在环(31)的外部使用二极管装置(32和34),在RF和LO最大值的位置处将环连接到接地平面(24)。 在环(31)的中心的高阻抗引线(36)限定了IF被抽出的位置,并且在优选实施例中,由同轴隔板连接器的中心柱(40)支撑的波纹管(42) 46)与高阻抗引线(36)接触。
    • 45. 发明授权
    • Branch line directional coupler having an impedance matching network
connected to a port
    • 具有连接到端口的阻抗匹配网络的分支线路定向耦合器
    • US4127831A
    • 1978-11-28
    • US766431
    • 1977-02-07
    • Gordon P. Riblet
    • Gordon P. Riblet
    • H01P5/22H01P5/02H01P5/18
    • H01P5/18
    • The invention is an improvement over the conventional branch guide directional coupler and gives better performance by providing flatter coupling over a broader band. A branch guide (line) directional coupler fundamentally is a four port electrical network. The invention improves the performance of the conventional branch guide coupler by employing matching devices at the ports of the fundamental network. In most embodiments of the invention, it is contemplated that matching devices will be used at each of the ports and that all those matching devices will be of like construction. However, it is not essential that a matching device be employed at every port nor is it essential that all the matching devices be of like construction. For example, in some embodiments of the invention, matching structures need be employed only at the output ports. In the stripline and microstrip embodiments of the invention the matching device can be formed by a half wavelength open-circuited stub in combination with a quarter wavelength transformer or by a short-circuited quarter wavelength stub in combination with a quarter wavelength transformer. Although the invention is described principally in strip line or microstrip form, the invention can also be embodied in waveguide or coaxial form.
    • 本发明是对传统的分支导向定向耦合器的改进,并且通过在更宽的频带上提供平坦的耦合来提供更好的性能。 分支导向(线)定向耦合器基本上是四端口电气网络。 本发明通过在基本网络的端口处采用匹配设备来改进传统分支引导耦合器的性能。 在本发明的大多数实施例中,预期在每个端口处将使用匹配装置,并且所有这些匹配装置将具有相同的结构。 然而,在每个端口上使用匹配装置并不是必须的,并且所有匹配装置都是相同的结构是必要的。 例如,在本发明的一些实施例中,仅需要在输出端口处使用匹配结构。 在本发明的带状线和微带实施例中,匹配装置可以由四分之一波长变压器组合的半波长开路短截线或与四分之一波长变压器组合的短路四分之一波长短截线形成。 虽然本发明主要以带状或微带形式描述,但是本发明也可以以波导或同轴形式实现。