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Dielectric waveguide filter with direct coupling and alternative cross-coupling

A technology of waveguide filters and dielectric materials, which is applied to waveguide-type devices, waveguides, circuits, etc., and can solve problems such as increasing the length of the filter.

Active Publication Date: 2018-01-26
CTS CORP ELKHART
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a disadvantage associated with incorporating additional resonators is that it also increases the length of the filter, which may not be desirable or justified in some applications due to, for example, space constraints on a customer's motherboard

Method used

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  • Dielectric waveguide filter with direct coupling and alternative cross-coupling
  • Dielectric waveguide filter with direct coupling and alternative cross-coupling
  • Dielectric waveguide filter with direct coupling and alternative cross-coupling

Examples

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Embodiment Construction

[0026] figure 1 , 2 and 3 show a ceramic dielectric waveguide filter 100 according to the present invention that combines both direct coupling and alternative cross-coupling features.

[0027] In the illustrated embodiment, as described in more detail below, waveguide filter 100 is formed from four individual generally parallelepiped-shaped blocks of solid dielectric material 101, 103, 201, and 203, which have been formed in combinations of side-by-side and stacked The ties are coupled and fixed together to form the waveguide filter 100. Specifically, bottom blocks 101 and 103 are coupled together in a side-by-side relationship, and top blocks 201 and 203 are coupled together in a side-by-side relationship, where top blocks 201 and 203 are stacked on and above bottom blocks 101 and 103, where top block 201 is stacked On and above the bottom block 101 , and a top block 203 is stacked on and above the bottom block 103 .

[0028] Each of the bottom blocks 101 and 103 consists ...

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PUM

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Abstract

A waveguide filter for the transmission of an RF signal comprising a plurality of blocks of dielectric material coupled together in a combined side-by-side and stacked relationship. Each of the blocksdefines resonators and includes an exterior surface that is covered with a layer of conductive material and defines internal layers of conductive material with the blocks coupled together. The internal layers of conductive material include regions devoid of conductive material that define internal windows for the transmission of the RF signal between resonators in the side-by-side and stacked blocks. The internal layers of conductive material also include regions devoid of conductive material that define isolated pads of conductive material for the indirect transmission of the RF signal between resonators in the stacked blocks.

Description

[0001] Cross References to Related Applications and Co-Pending Applications [0002] This application is a continuation-in-part claiming the benefit of the filing date and disclosure of U.S. Patent Application Serial No. 14 / 708,870, filed May 11, 2015, which claims U.S. Patent Application, filed December 3, 2011 Interest in the filing date and disclosure of Serial No. 13 / 373,862 (now U.S. Patent No. 9,030,279, filed May 12, 2015), the contents of which are incorporated by reference as are all references cited therein. into this article. [0003] This application is also a continuation-in-part claiming the benefit of the filing date and disclosure of U.S. Patent Application Serial No. 14 / 842,920, filed September 2, 2015, which claims U.S. Patent Application, filed November 25, 2013 Interest in the filing date and disclosure of Serial No. 14 / 088,471 (now U.S. Patent No. 9,130,255, filed September 8, 2015), the contents of which are incorporated by reference as are all references ...

Claims

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Application Information

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IPC IPC(8): H01P1/20H01P1/208H01P7/10
CPCH01P1/2002H01P3/122
Inventor A·罗格新R·范加拉
Owner CTS CORP ELKHART
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