Compact band pass filter
    1.
    发明授权

    公开(公告)号:US10454148B2

    公开(公告)日:2019-10-22

    申请号:US15917120

    申请日:2018-03-09

    申请人: Eagantu Ltd.

    摘要: A compact band pass filter (BPF), including a first transmission line electromagnetically coupled to a second transmission line; and an isolating surface positioned between the first transmission line and the second transmission line, wherein the isolating surface includes at least one aperture designed to produce a desired electromagnetic coupling between the first transmission line and the second transmission line wherein the coupling produces a passband such that certain frequencies within an input transmission signal are filtered out.

    Device for bi-directional and multi-band RF communication over single resonant transmission line and method of its realization

    公开(公告)号:US10141956B2

    公开(公告)日:2018-11-27

    申请号:US14970652

    申请日:2015-12-16

    申请人: EAGANTU LTD.

    IPC分类号: H04B1/00 H04L5/14

    摘要: A duplexing system including: a duplexer; an antenna capable of transmitting and receiving electromagnetic signals; a transmitter adapted to couple electromagnetic signals to said antenna for transmission; a receiver capable of receiving electromagnetic signals; wherein the duplexer includes a first transmission line and a second transmission line, wherein a portion of said first transmission line is placed in proximity to a portion of said second transmission line, wherein one end of said first transmission line is connected to a first duplexer port coupled to said antenna and the second end of said first transmission line is connected to a second duplexer port coupled to said transmitter; and wherein one end of said second transmission line is connected to a third duplexer port coupled to said receiver and the second end of said second transmission line is coupled to ground or to a fourth duplexer port coupled to ground.

    Wide band directional coupler
    8.
    发明授权

    公开(公告)号:US10340577B2

    公开(公告)日:2019-07-02

    申请号:US15434800

    申请日:2017-02-16

    申请人: Eagantu Ltd.

    摘要: A wide band directional coupler is disclosed. The coupler includes a main transmission line connected between an input port and an output port; and a coupling transmission line having a first length and connected between a coupling port and an isolation port, wherein the coupling transmission line is coupled to the main transmission line through a coupling capacitive connection and a mutual inductive connection, wherein at least a distance between the main transmission line and the coupling transmission line varies along the first length of the coupling transmission line such that any one of a capacitance value of the capacitive connection and an inductance value of the inductive connection is characterized by a relatively low value, wherein a coupling factor of the wide band directional couple remains substantially constant throughout an operating frequency band of the wide band directional coupler.

    Wide band radio frequency circulator

    公开(公告)号:US10050324B2

    公开(公告)日:2018-08-14

    申请号:US15876648

    申请日:2018-01-22

    申请人: Eagantu Ltd.

    IPC分类号: H01P1/397 H04B1/40 H03H7/00

    摘要: A wide band radio frequency (RF) circulator is presented. The RF circulator includes at least one stage having four ports configured to circulate an input RF signal from a first port to a second port while isolating a third port, from the second port to the third port while isolating the first port, and from the third port to the first port while isolating the first port, wherein the fourth port is grounded; and wherein the at least one stage includes at least a pair of couplers connected via a delay line, wherein each coupler includes a main transmission line and a coupling transmission line disposed on distinct dielectric layers.

    Wide band radio frequency circulator

    公开(公告)号:US09912028B2

    公开(公告)日:2018-03-06

    申请号:US15481257

    申请日:2017-04-06

    申请人: Eagantu Ltd.

    IPC分类号: H01P1/397 H03H7/00 H04B1/40

    摘要: A wide band radio frequency (RF) circulator is presented. The RF circulator includes at least one stage having four ports, a first end, and a second end, wherein a first port and a third port are connected at the first end of the at least one stage, wherein a second port and a fourth port are connected at the second end of the at least one stage, wherein each of the at least one stage includes a pair of couplers connected through a first delay line and a second delay line, thereby forming a network of couplers in the at least one stage.