Wide-tuning electrically tunable filter

An electronically adjustable filter and wide tuning technology, which is applied in the field of filters, can solve the problems of large size, poor anti-interference ability, and wide filter bandwidth, and achieve the effects of strong anti-interference ability, miniaturization, and shortened time

Active Publication Date: 2020-12-18
上海鸿晔电子科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, electronically tunable filters are usually designed based on Chebyshev's theory, and the circuit is manufactured by LC technology. Traditional electronically tunable filters have problems such as large volume, wide filter bandwidth, and poor anti-interference ability.

Method used

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  • Wide-tuning electrically tunable filter
  • Wide-tuning electrically tunable filter
  • Wide-tuning electrically tunable filter

Examples

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Embodiment Construction

[0047] 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.

[0048] figure 1 It is a block diagram of the wide tuning electric filter structure in the embodiment, refer to figure 1 , this embodiment proposes a wide-tuning electronic filter, including a filter component 100 , a processor 200 and a drive component 300 , the processor 200 is connected to the drive component 300 , and the drive component 300 is connected to the filter component 100 .

[0049] Exemplarily, the filter component includes a coupling inductor, a matching inductor and a tuning device, wherein the ma...

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Abstract

A wide tuning electrically tunable filter disclosed by the present invention comprises a filtering assembly, a processor and a driving assembly, the filtering assembly comprises a coupling inductor, amatching inductor and a tuning device, the coupling inductor comprises a plurality of straight wiring portions, and the straight wiring inductor portions located at different wiring layers are connected through a plurality of via holes. The coupling inductor is further connected with the matching inductor and the tuning device, the processor and the driving assembly are located on the surface ofthe first wiring layer, the processor is connected with the tuning device through the driving assembly, and the processor is configured to achieve hopping of communication frequency through the driving assembly and the tuning device in the radio frequency communication idle stage.

Description

technical field [0001] Embodiments of the present invention relate to filter technology, and in particular to a wide-tuning electronically tuned filter. Background technique [0002] The electronically tuned filter is a bandpass filter with adjustable frequency. Its function is to select useful signals from the received spectrum, filter out interference and spurious signals, and improve the signal-to-noise ratio of the receiver. [0003] With the development of communication systems, communication spectrum resources are becoming increasingly tight, and communication interference between different communication users is more likely to occur. In the prior art, electronically tunable filters usually design circuit models based on Chebyshev theory, and realize circuit fabrication with LC technology. Traditional electronically tunable filters have problems such as large volume, wide filter bandwidth, and poor anti-interference ability. In particular, in the short-wave communicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H11/04
CPCH03H11/04
Inventor 温海平梁远勇徐诗尧高好好
Owner 上海鸿晔电子科技股份有限公司
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