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1.发明申请公开(公告)号：US20190222235A1
公开(公告)日：2019-07-18
申请号：US16326612
申请日：2016-09-08
发明人： David Rhodes
IPC分类号： H04B1/00
摘要： A microwave switched multiplexer having a bandpass At between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising n signal channels, where n>1, each signal channel having a signal bandpass at a center frequency within M, the center frequencies of the signal channels being equally spaced apart by Δf/n; each signal channel comprising (a) a switch having first, second and third ports, the switch being adapted to be switched between a transmit position in Which the first port is connected to the second port, a receive position in which the first port is connected to the third port and an off position in which the first port is not connected to either second or third ports; (b) a common line extending from an antenna end to the first port, the common; line ι comprising an input resonator and a center resonator connected together in cascade, the center resonator being coupled between the resonator and the first port.
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2.发明授权公开(公告)号：US10819376B2
公开(公告)日：2020-10-27
申请号：US16326610
申请日：2016-09-08
发明人： David Rhodes
IPC分类号： H04B1/00 , H04B1/69 , H05B6/70 , H03H7/01 , H03H7/46 , H01P1/213 , H03H9/70 , H03H9/72 , H03H9/17
摘要： A microwave switched multiplexer having a bandpass Δf between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising an input microwave resonant waveguide; an output microwave resonant waveguide; and, n transmission channels where n>1, each transmission channel coupled to the input microwave resonant waveguide and the output microwave resonant waveguide, each transmission channel having a transmission bandpass at a center frequency within Δf, the center frequencies of the transmission channels being equally spaced apart in frequency by Δf/n; each transmission channel comprising (a) an input resonator coupled to the input microwave resonant waveguide; (b) an output resonator coupled to the output microwave resonant waveguide: (c) a center resonator coupled to the input and output resonators, the three resonators being coupled together in cascade; (d) a tuning mechanism connected to the center resonator and adapted to be switched between on and off states, in the on state the resonant frequency of the center resonator being the same as that of the input and output resonators and in the off state the resonant frequency of the center resonator being outside the bandpass Δf.
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3.发明授权公开(公告)号：US10804941B2
公开(公告)日：2020-10-13
申请号：US16326612
申请日：2016-09-08
发明人： David Rhodes
IPC分类号： H04B1/00 , H03H7/46 , H01P1/213 , H04B1/69 , H05B6/70 , H03H9/70 , H03H7/01 , H03H9/72 , H03H9/17
摘要： A microwave switched multiplexer having a bandpass At between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising n signal channels, where n>1, each signal channel having a signal bandpass at a center frequency within M, the center frequencies of the signal channels being equally spaced apart by Δf/n; each signal channel comprising (a) a switch having first, second and third ports, the switch being adapted to be switched between a transmit position in Which the first port is connected to the second port, a receive position in which the first port is connected to the third port and an off position in which the first port is not connected to either second or third ports; (b) a common line extending from an antenna end to the first port, the common; line ι comprising an input resonator and a center resonator connected together in cascade, the center resonator being coupled between the resonator and the first port.
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4.发明申请公开(公告)号：US20190222234A1
公开(公告)日：2019-07-18
申请号：US16326610
申请日：2016-09-08
发明人： David Rhodes
IPC分类号： H04B1/00
摘要： A microwave switched multiplexer having a bandpass Δf between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising an input microwave resonant waveguide; an output microwave resonant waveguide; and, n transmission channels where n>1, each transmission channel coupled to the input microwave resonant waveguide and the output microwave resonant waveguide, each transmission channel having a transmission bandpass at a center frequency within Δf, the center frequencies of the transmission channels being equally spaced apart in frequency by Δf/n; each transmission channel comprising (a) an input resonator coupled to the input microwave resonant waveguide; (b) an output resonator coupled to the output microwave resonant waveguide: (c) a center resonator coupled to the input and output resonators, the three resonators being coupled together in cascade; (d) a tuning mechanism connected to the center resonator and adapted to be switched between on and off states, in the on state the resonant frequency of the center resonator being the same as that of the input and output resonators and in the off state the resonant frequency of the center resonator being outside the bandpass Δf.
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