Frequency hopping filter using dielectric coaxial resonator

A coaxial resonator and filter technology, applied in the field of frequency hopping filters, can solve the problems of large deviation between manufacturing and theoretical design, large size of cavity filter and difficult integration, etc., to improve performance and practicability, frequency hopping range Large, narrow bandwidth effects

Pending Publication Date: 2022-04-19
TIANJIN UNIV
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Problems solved by technology

[0005] Aiming at the problem that the size of the existing cavity filter is large and difficult to integrate, and the deviation between actual manufacturing and theoretical design is large, the present invention provides a frequency hopping filter using a dielectric coaxial resonator

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  • Frequency hopping filter using dielectric coaxial resonator
  • Frequency hopping filter using dielectric coaxial resonator
  • Frequency hopping filter using dielectric coaxial resonator

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specific Embodiment approach 1

[0034] Specific implementation mode 1. Combination Figure 1 to Figure 3 As shown, the present invention provides a frequency hopping filter using dielectric coaxial resonators, including No. 1 resonant cavity 11, No. 1 resonant inductor 12, No. 1 capacitor unit 13, No. 2 resonant cavity 21, and No. 22, No. 2 capacitor unit 23, coupling window 3 and circuit board 4,

[0035] The No. 1 resonant cavity 11 and the No. 2 resonant cavity 21 are connected as an integrated resonant cavity through the coupling window 3, and the No. 1 resonant cavity 11 and the No. 2 resonant cavity 21 are arranged symmetrically to the center;

[0036] The No. 1 inner conductor 11-1 of the No. 1 resonant cavity 11 is connected to the filter input port 6 through the wire 5, and the No. 2 inner conductor 21-1 of the No. 2 resonant cavity 21 is connected to the filter output port 7 through the wire;

[0037] The No. 1 resonant inductor 12 is arranged on the wire and connected in series with the No. 1 res...

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Abstract

The invention discloses a frequency hopping filter using a dielectric coaxial resonator, and belongs to the technical field of optical electronic communication filters. The problems that an existing cavity filter is large in size and difficult to integrate, and the deviation between actual manufacturing and theoretical design is large are solved. Comprising a first resonant cavity and a second resonant cavity which are connected into a whole through a coupling window, and the first resonant cavity and the second resonant cavity are arranged in a central symmetry mode; a first inner conductor of the first resonant cavity is connected with a filter input port through a wire, and a second inner conductor of the second resonant cavity is connected with a filter output port through a wire. The first resonant inductor is arranged on the wire and connected with the first resonant cavity in series, and the second resonant inductor is arranged on the wire and connected with the second resonant cavity in series. The first capacitor unit is connected in parallel with the first resonant cavity, and the second capacitor unit is connected in parallel with the second resonant cavity. The first resonant inductor and the first capacitor unit and the second resonant inductor and the second capacitor unit are arranged on the two sides of the integrated resonant cavity respectively. The performance and the practicability of the filter are improved.

Description

technical field [0001] The invention relates to a frequency hopping filter using a dielectric coaxial resonator, and belongs to the filter technical field of optical electronic communication. Background technique [0002] The frequency hopping filter is a very important component in the communication system, which is used for multi-band communication of multiple communication devices. In microwave receivers and electronic countermeasure systems, frequency hopping filters have superior performance in anti-fading, anti-interception, anti-jamming, etc., and are more flexible than fixed-band band-pass filters. [0003] At present, there are many types of frequency-hopping filters, and the mainstream ones are microstrip structures and integrated waveguide filters. Due to its planar structure, there are some disadvantages, such as large insertion loss, low power capacity, easy radiation, etc. The advantages of cavity filters are low loss, high Q value, and high power capacity, b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P7/04H01P1/208
CPCH01P7/04H01P1/208
Inventor 隋天一崔晓琪王皓吉林彬
Owner TIANJIN UNIV
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