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Frequency reconfigurable waveguide slot antenna based on dual transverse pin diodes

A technology of PIN diode and waveguide slot antenna is applied in the field of frequency reconfigurable waveguide slot antenna to achieve the effect of reducing complexity and cost

Active Publication Date: 2017-10-17
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the traditional waveguide slot antenna can only achieve one pattern, and can only work most effectively in one frequency band

Method used

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  • Frequency reconfigurable waveguide slot antenna based on dual transverse pin diodes
  • Frequency reconfigurable waveguide slot antenna based on dual transverse pin diodes
  • Frequency reconfigurable waveguide slot antenna based on dual transverse pin diodes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as Figure 7 As shown, this frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes includes a servo circuit 1 , a programmable voltage source 2 , and a rectangular waveguide 3 . Cut n slots on the wide wall of the rectangular waveguide 3, and the range of n is 8-64 (see Figure 5 with Image 6 ), a dual lateral PIN diode 4 is respectively placed in each slit, wherein the top view of the dual lateral PIN diode 4 is as follows image 3 shown.

[0026] For the convenience of expression, it is assumed in this example that only 8 slots 301-308 are cut in the wide wall of the waveguide, as Figure 8 As shown, the slits of the wide wall of the waveguide are parallel to the long edges of the rectangular waveguide, and the longitudinal distance between the slits is λ / 2, where λ is the wavelength of the waveguide; a double transverse PIN diode 4 is respectively installed at the slits 301-308, and the double transverse The length and width of...

Embodiment 2

[0035] Such as Figure 7 As shown, this frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes includes a servo circuit 1 , a programmable voltage source 2 , and a rectangular waveguide 3 . Cut n slots on the wide wall of the rectangular waveguide 3, and the range of n is 8-64 (see Figure 5 with Image 6 ), a dual lateral PIN diode 4 is respectively placed in each slit, wherein the top view of the dual lateral PIN diode 4 is as follows image 3 shown. For the convenience of expression, it is assumed in this example that only 8 slots 301-308 are cut in the wide wall of the waveguide, as Figure 8 shown. In this example, the connection mode of each part of the frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes is exactly the same as that in Embodiment 1.

[0036] For the convenience of expression, it is assumed that the length and width of all the waveguide slots 301-308 are respectively equal, and the length...

Embodiment 3

[0040] The servo circuit 1 controls the programmable voltage source 2 by programming, so that the programmable voltage source 2 outputs multiple voltages that meet the programming requirements; the multiple voltages output by the programmable voltage source 3 are connected to the corresponding double horizontal PIN diodes 4 to control the dual Different parts of the lateral PIN diode 4 are turned on and off. By controlling the length, width and offset distance of the slots 301-308 of the rectangular waveguide 3 in this way, it can be expanded according to the above-mentioned ideas, and other different dual-based Frequency reconfigurable waveguide slot antenna with transverse PIN diode.

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Abstract

The invention discloses a frequency reconfigurable waveguide slot antenna based on double transverse PIN diodes, belonging to the field of antennas. The antenna mainly includes: a servo circuit, a programmable voltage source, a rectangular waveguide and double transverse PIN diodes. The servo circuit controls the programmable voltage source by programming, so that the programmable voltage source outputs multiple voltages that meet the programming requirements; the rectangular waveguide adopts coaxial line feeding, and the wide wall of the waveguide is cut into 8‑64 slots, and each slot Install a double horizontal PIN diode; the multi-channel voltage output by the programmable voltage source is connected to the double horizontal PIN diode to control the conduction and cut-off of different parts of the double horizontal PIN diode. In this way, the length, width and offset of the waveguide gap can be controlled distance, realizing programmable controllable frequency reconfigurable waveguide slot antenna. The invention realizes the programmable controllable frequency reconfigurable waveguide slot antenna.

Description

technical field [0001] The invention relates to the fields of semiconductor devices and waveguide slot antennas, in particular to frequency reconfigurable waveguide slot antennas that realize programmable control using semiconductor devices. Background technique [0002] The waveguide slot antenna is made by opening a slot on the waveguide wall. It is fed by a waveguide or a resonant cavity, and is excited to generate an electromagnetic field on the slot, and an antenna that radiates electromagnetic waves into space. The waveguide slot antenna has the advantages of compact structure, large power capacity, convenient installation, high radiation efficiency, low feed loss, small size, light weight, easy to achieve high gain and low sidelobe, and occupies an important position in the modern electronics industry. It is widely used in ground, shipboard, airborne, navigation and other fields. [0003] The unique physical properties of plasma have great development potential in so...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q13/18H01Q23/00
Inventor 刘会刚廖沁悦梁达张时雨任立儒张福海耿卫东
Owner NANKAI UNIV
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