Anhui Anuki Technologies Co., Ltd.

Wei Cheng

Jun He

Chengjie Zuo

Lijie Dai

A resonance circuit and a filtering device, which relate to the technical field of electronic devices. The resonance circuit includes: a connection port, wherein the connection port includes a first port and a second port; and a resonance unit, wherein the resonance unit includes at least one inductor element and at least one capacitor element, and the inductor element is connected to the capacitor element. The first port and the second port are respectively connected to the resonance unit, so as to form at least two branches which are connected in parallel, and at least one of the first port and the second port is not connected to any of the capacitor elements.

Resonance circuit and filtering device

Provided are balun circuit structure and balun device, the balun circuit structure comprises unbalanced terminal, first and second balanced terminals, grounded power terminal, first, second, third and fourth inductors. The first terminal of the first inductor is connected to the first terminal of the second inductor, the second terminal of the first inductor is connected to the unbalanced terminal, the second terminal of the second inductor is open-circuited, the first terminal of the third inductor and the first terminal of the fourth inductor are connected to the grounded power terminal, the second terminal of the third inductor is connected to the first balanced terminal, the second terminal of the fourth inductor is connected to the second balanced terminal, the first, second, third and fourth inductors are located in different planes, respectively, the first inductor is coupled to the third inductor, and the second inductor is coupled to the fourth inductor.

Balun circuit structure and balun device

Provided is a chip inductor and manufacturing method thereof. The chip inductor includes: a pin layer, a plurality of insulating layers and a plurality of metal layers, where the insulating layers and the metal layers are arranged successively and alternately on the pin layer. Multiple patterned metal structures arranged in the plurality of metal layers are respectively electrically connected to form a multilayer plane spiral coil structure. The multilayer plane spiral coil structure has two ends electrically connected with respective pin structures in the pin layer.

Growing community of inventors

Anhui, China

Wei Cheng