CN204333175U - The multifunctional filter improved - Google Patents
The multifunctional filter improved Download PDFInfo
- Publication number
- CN204333175U CN204333175U CN201420812228.6U CN201420812228U CN204333175U CN 204333175 U CN204333175 U CN 204333175U CN 201420812228 U CN201420812228 U CN 201420812228U CN 204333175 U CN204333175 U CN 204333175U
- Authority
- CN
- China
- Prior art keywords
- slab
- dielectric
- filter
- multifunctional filter
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model relates to a kind of multifunctional filter of improvement, it is characterized in that, comprise dielectric-slab (1), metal micro-strip paster (2), metal ground plate (3), resonant cavity (4) and fractal structure (5), metal micro-strip paster (2) is positioned at the upper surface of dielectric-slab (1), metal ground plate (3) is positioned at the lower surface of dielectric-slab (1), and fractal structure (5) is rhombus and foursquare nested structure.The utility model is the resonance characteristic utilizing ring resonance structure and fractal structure, by the collective model of antenna and filter collaborative design, have that volume is little, compact conformation, cost are low and be easy to the features such as processing, be expected to be widely used at wireless communication technology field.
Description
Technical field
The utility model relates to the antenna technology in wireless communication technology field and wave filter technology, particularly a kind of volume are little, the multifunctional filter of the improvement of compact conformation, low cost.
Background technology
Traditional antenna and filter are independent design, and volume is large, cost is high, and easily causes mismatch between parts, and efficiency is low.Along with the fast development of Modern wireless communication technology, constantly increase the requirement of wireless device and electronic message unit, should meet performance requirement, wananty costs is low again, volume is little.
In recent years, though Chinese scholars proposes new mentality of designing at wireless communication technology field, but still multifunction and the miniature requirement of Modem radio equipment and electronic message unit can not be met, hinder the development process of radio communication technology to a certain extent.Such as, in October, 2002, on European Microwave Conference (european microwave meeting), the people such as Queudet propose filter and the single-band antenna thinking in same plane collaborative design, but the antenna-filter apparatus designed under this new approaches still comparatively large, the multifunction of volume and degree of miniaturization not high.
Utility model content
The purpose of this utility model is to provide the multifunctional filter of the improvement that a kind of low cost, high-performance, volume are little, and this device utilizes the resonance characteristic of ring resonance structure and fractal structure, makes it have antenna performance and filter characteristic simultaneously.
The technical scheme that the utility model adopts:
The multifunctional filter improved, it is characterized in that: comprise dielectric-slab (1), metal micro-strip paster (2), metal ground plate (3), resonant cavity (4) and fractal structure (5), metal micro-strip paster (2) is positioned at the upper surface of dielectric-slab (1), metal ground plate (3) is positioned at the lower surface of dielectric-slab (1), and fractal structure (5) is rhombus and foursquare nested structure.
The multifunctional filter of described improvement, is characterized in that: resonant cavity (4) comprises rhombus and foursquare cavity body structure.
The multifunctional filter of described improvement, is characterized in that: in conjunction with antenna resonant cavity.
Advantage of the present utility model is:
(1) volume is little, compact conformation, cost are low, and is easy to processing.
(2) while the center frequency point of fixed filters passband, can by changing fractal iteration number of times correction antenna transmission frequency.
(3) by changing the size of rhombus and square cavity body structure, or the size of the dielectric constant of change dielectric-slab, the size of the passband of antenna and the position of center frequency point can be adjusted.
(4) by changing circular resonant chamber, antenna and filter characteristic can be changed.
Accompanying drawing explanation
Fig. 1 is the basic structure stereogram of the multifunctional filter of this improvement;
Fig. 2 is the basic structure front view of the multifunctional filter of this improvement;
Embodiment
The multifunctional filter improved, it is the resonance characteristic utilizing ring resonance structure and fractal structure, by the collective model of antenna and filter collaborative design, have that volume is little, cost is low, be easy to processing and the feature such as applied widely, be expected to be widely used at wireless communication technology field.
The multifunctional filter of described improvement, its basic structure stereogram as shown in Figure 1, comprise dielectric-slab (1), metal micro-strip paster (2), metal ground plate (3), resonant cavity (4) and fractal structure (5), metal micro-strip paster (2) is positioned at the upper surface of dielectric-slab (1), metal ground plate (3) is positioned at the lower surface of dielectric-slab (1), and fractal structure (5) is rhombus and foursquare nested structure.R1, r2 and r3 are respectively the radius of three loop configuration from inside to outside, d1, d2, d3 are followed successively by the distance between annulus from inside to outside, d4 is the distance that outermost annulus separates, d5 is filter feed port length, d6 is antenna feed end microstrip line length, d7 is two-port coupled section length, and l1 is the length of side of rhombus, and l2 is the foursquare length of side.
The multifunctional filter of described improvement, as shown in Figure 2, h1 is the thickness of medium to its basic structure subjectivity figure, and h2 is the thickness on metal patch and floor.
The multifunctional filter of described improvement, its operation principle is basic antenna and Filter Principle, and the metal micro-strip paster (2) of dielectric-slab (1) upper surface is made up of resonant cavity (4) and fractal structure (5) two parts.That the multifunctional filter of this improvement connects is common driving source (50 Ω).
Claims (2)
1. the multifunctional filter improved, it is characterized in that: comprise dielectric-slab (1), metal micro-strip paster (2), metal ground plate (3), resonant cavity (4) and fractal structure (5), metal micro-strip paster (2) is positioned at the upper surface of dielectric-slab (1), metal ground plate (3) is positioned at the lower surface of dielectric-slab (1), and fractal structure (5) is rhombus and foursquare nested structure.
2. the multifunctional filter of improvement according to claim 1, is characterized in that: resonant cavity (4) comprises rhombus and foursquare cavity body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812228.6U CN204333175U (en) | 2014-12-18 | 2014-12-18 | The multifunctional filter improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812228.6U CN204333175U (en) | 2014-12-18 | 2014-12-18 | The multifunctional filter improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204333175U true CN204333175U (en) | 2015-05-13 |
Family
ID=53169497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420812228.6U Expired - Fee Related CN204333175U (en) | 2014-12-18 | 2014-12-18 | The multifunctional filter improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204333175U (en) |
-
2014
- 2014-12-18 CN CN201420812228.6U patent/CN204333175U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101656337A (en) | Novel double-module band-pass filter | |
| CN204333175U (en) | The multifunctional filter improved | |
| CN203056052U (en) | Novel multifunctional antenna filter | |
| CN105762500A (en) | Annular antenna filter device | |
| CN204333189U (en) | Loop aerial filter apparatus | |
| CN105762452A (en) | Improved multifunctional filter | |
| CN203056045U (en) | Novel loop antenna filter | |
| CN203760612U (en) | Novel multi-mode resonance ultra-wideband filter | |
| CN203644947U (en) | Short wave tunable magnetic small ring antenna device | |
| CN203056048U (en) | Novel multifunctional loop filter | |
| CN104143971A (en) | Negative group delay circuit | |
| CN204272045U (en) | A kind of band pass filter adopting the micro-band inductance of form of straight lines ground connection | |
| CN203690456U (en) | Switchable band-pass filter based on circular chip resonator provided with cross-shaped groove in etched manner | |
| CN203056057U (en) | Novel multifunctional filter | |
| CN203760602U (en) | Switchable microstrip band pass filter of circular patch resonator based on etching pentagon notch | |
| CN203760605U (en) | Microstrip-switchable band-pass filter with novel structure | |
| CN203056081U (en) | Improved antenna filter | |
| CN204333182U (en) | Based on the double-mode double-band narrow band filter of E type resonator and T-shaped feeder line | |
| CN204333183U (en) | Based on the compact bimodulus Wide stop bands filter of E type resonator and T-shaped feeder line | |
| CN204333185U (en) | Based on the compact double-mode double-band microstrip filter of E type resonator | |
| CN204333181U (en) | Double-mode double-band filter | |
| CN204333184U (en) | Based on the compact bimodulus microstrip filter of E type resonator and T-shaped feeder line | |
| CN204362007U (en) | X-band LC band pass filter | |
| CN204216857U (en) | A kind of adjustable absorbing mode filter | |
| CN204948058U (en) | Mobile phone write by hand device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |