Millimeter wave switch based on coupler structure and design method
A design method and coupler technology, applied in the direction of waveguide type devices, electrical components, circuits, etc., to achieve the effect of reducing the area, improving the linearity, and improving the transmission power capacity
Active Publication Date: 2022-04-26
苏州悉芯射频微电子有限公司
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[0040] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0041] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0042]In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from tho...
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The invention relates to a millimeter wave switch based on a coupler structure and a design method. A first type SPST is composed of a first coupler and an L-nMOS switch, a first port is connected with the L-nMOS switch and is grounded, a second port is connected with an ANT end, a third port is grounded, and a fourth port is connected with a TX end. The first-class symmetric SPDT is composed of two symmetric first-class SPSTs, P1dB is high during transmission, the second-class SPST comprises a second coupler and an L-nMOS switch, the first port is suspended, the second port is connected with the ANT end, the third port is connected with the L-nMOS switch and is grounded, and the fourth port is connected with the TX end. The first-class symmetric SPDT is composed of two first-class SPSTs, the second-class symmetric SPDT is composed of two second-class SPSTs, the power bearing capacity is high during isolation, and the broadband design can be realized during isolation, the third-class asymmetric SPDT is composed of a first-class SPST and a second-class SPST, the first-class SPST is used as Tx to improve the transmitting power capacity, and the second-class SPST is used as Rx to provide the high-isolation power bearing capacity.
Description
technical field [0001] The invention belongs to the technical field of radio frequency switches, and in particular relates to a coupler-based millimeter wave switch and a design method. Background technique [0002] With the development of mobile communication technology from the first generation (1G) to the fifth generation (5G), people have entered a new era of Internet of Everything. Smartphones and other mobile terminal devices have greatly facilitated people's lives. Mobile communication technology Also developing rapidly. Millimeter-wave wireless communication technology is an extension of microwave wireless communication technology to higher frequency bands. It has received widespread attention and attention in recent years. The main reasons are: the spectrum resources corresponding to millimeter-wave are abundant; the transmission characteristics of millimeter-wave itself are good; modern chip manufacturing technology The rapid development of millimeter wave communi...
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IPC IPC(8): H01P1/10H01P1/15H01P11/00
CPCH01P1/10H01P1/15H01P11/00Y02D30/70
Inventor 戈泽宇陈浪项勇陈力生
Owner 苏州悉芯射频微电子有限公司