Power divider circuit, power divider and design method of power divider circuit
A design method and power divider technology, applied in electrical components, impedance networks, multi-terminal pair networks, etc., can solve problems such as large size of power divider, limitation of power divider application, failure to achieve harmonic suppression effect, etc.
Pending Publication Date: 2020-07-07
苏州英嘉通半导体有限公司
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Problems solved by technology
[0003] However, the existing power splitters have problems such as large size and inability to achieve harmonic suppression effects, which limit the further application of power splitters
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[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0040] As mentioned in the background technology, the existing power splitter has a large size and cannot achieve harmonic suppression effects. After careful research, the applicant found that the reason for this technical problem is that the existing power splitter generally uses a transmission line Realization, the size of the transmission line is determined by the operating frequency of the power splitter. In low-frequency scenarios, due to the long wavelength of the input signal, the size of the transmission li...
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An embodiment of the invention discloses a power divider circuit, a power divider and a design method of the power divider circuit. The power divider circuit comprises at least two transmission line branches, wherein first ends of the at least two transmission line branches are electrically connected with an input end of the power divider circuit, and second ends of the transmission line branchesare electrically connected with at least two output ends of the power divider circuit in a one-to-one correspondence manner; and the at least one transmission line branch comprises a transmission linecircuit, the transmission line circuit comprises a first coupling inductor, a second coupling inductor, a series capacitor and a parallel capacitor, and the first coupling inductor and the second coupling inductor are arranged in a mutual inductance coupling mode. According to the power divider circuit, the power divider and the design method of the invention, the small size and the harmonic suppression effect of the power divider circuit can be realized.
Description
technical field [0001] Embodiments of the present invention relate to power divider technology, in particular to a power divider circuit, a power divider and a design method for the power divider circuit. Background technique [0002] A power divider is a device that divides one input signal into two or multiple outputs with equal or unequal energy, and can also conversely combine the energy of multiple signals into one output, which is also a combiner. Power splitters have important applications in radio frequency and microwave systems. [0003] However, the existing power splitter has problems such as large size and inability to achieve harmonic suppression effect, which limits the further application of the power splitter. Contents of the invention [0004] Embodiments of the present invention provide a power divider circuit, a power divider and a design method of the power divider circuit, so as to realize the small size of the power divider circuit and the harmonic s...
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IPC IPC(8): H03H7/00H03H7/42
CPCH03H7/00H03H7/42
Inventor 胡峰白强唐瑜柳永胜于洁
Owner 苏州英嘉通半导体有限公司