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公开(公告)号：US11183973B1
公开(公告)日：2021-11-23
申请号：US16989421
申请日：2020-08-10
发明人： Ajaypat Jain , Amitoj Singh , Xiaohua Yu , Tienyu Chang , Siu-Chuang Ivan Lu , Sang Won Son
摘要： An electronic circuit and method are provided. The electronic circuit includes an in-phase (I)-quadrature (Q) amplifier including an I cascode branch and a Q cascode branch, the IQ amplifier configured to receive a differential input and control signals, control, based on the control signals, gate voltages in the I cascode branch and gate voltages in the Q cascode branch, generate an I output signal with the I cascode branch, and generate a Q output signal with the Q cascode branch, and a quadrature coupler configured to perform quadrature summation of the I output signal and the Q output signal and generate a final phase shifted output.
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公开(公告)号：US11799504B2
公开(公告)日：2023-10-24
申请号：US17585480
申请日：2022-01-26
发明人： Amitoj Singh , Ajaypat Jain , Xiaohua Yu , Tienyu Chang , Siu-Chuang Ivan Lu , Sang Won Son
CPC分类号： H04B1/006 , H03D7/1425 , H04B1/123 , H04B1/44
摘要： A band-switching network includes a dual-band balun and a switch network. The dual-band balun includes a first output and a second output. The switch network includes a first switch and a second switch in which an input to the first switch is coupled to the first output and an input to the second switch is coupled to the second balanced output. The dual-band balun further includes a primary coil, a first secondary coil and a second secondary coil in which the first secondary coil is coupled to the first balanced output and the second secondary coil is coupled to the second balanced output. In one embodiment, the primary coil and the first secondary coil are coupled by a first coupling factor k1, and the primary coil and the second secondary coil are coupled by a second coupling factor k2 that is different from the first coupling factor k1.
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公开(公告)号：US20220085763A1
公开(公告)日：2022-03-17
申请号：US17532340
申请日：2021-11-22
发明人： Ajaypat Jain , Amitoj Singh , Xiaohua Yu , Tienyu Chang , Siu-Chuang Ivan Lu , Sang Won Son
摘要： An electronic circuit and method are provided. The electronic circuit includes an amplifier including first cascode branch and a second cascode branch, the amplifier being configured to receive a differential input and control signals, control gate voltages in the first cascode branch and gate voltages in the second cascode branch, generate a first output signal with the first cascode branch, and generate a second output signal with the second cascode branch, and a coupler configured to perform a summation of the first output signal and the second output signal, and generate a final phase shifted output, wherein the first cascode branch or the second cascode branch includes a first cascode arm and a second cascode arm.
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公开(公告)号：US11245426B2
公开(公告)日：2022-02-08
申请号：US16987390
申请日：2020-08-06
发明人： Amitoj Singh , Ajaypat Jain , Xiaohua Yu , Tienyu Chang , Siu-Chuang Ivan Lu , Sang Won Son
摘要： A band-switching network includes a dual-band balun and a switch network. The dual-band balun includes a first output and a second output. The switch network includes a first switch and a second switch in which an input to the first switch is coupled to the first output and an input to the second switch is coupled to the second balanced output. The dual-band balun further includes a primary coil, a first secondary coil and a second secondary coil in which the first secondary coil is coupled to the first balanced output and the second secondary coil is coupled to the second balanced output. In one embodiment, the primary coil and the first secondary coil are coupled by a first coupling factor k1, and the primary coil and the second secondary coil are coupled by a second coupling factor k2 that is different from the first coupling factor k1.
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