TWI270236B - Loop antenna with capacitive structure - Google Patents
Loop antenna with capacitive structure Download PDFInfo
- Publication number
- TWI270236B TWI270236B TW94127533A TW94127533A TWI270236B TW I270236 B TWI270236 B TW I270236B TW 94127533 A TW94127533 A TW 94127533A TW 94127533 A TW94127533 A TW 94127533A TW I270236 B TWI270236 B TW I270236B
- Authority
- TW
- Taiwan
- Prior art keywords
- wire
- sub
- antenna
- metal line
- metal
- Prior art date
Links
Landscapes
- Details Of Aerials (AREA)
Abstract
Description
1270236 玖、發明說明: 【發明所屬之技術領域】 線通天·p ant晴)’制是應用於無 【先前技術】 持寬頻的術ί I尺寸雜小化且在鱗上仍必須維 採用單知(==^電視產品,通常 及-接地面u(參考第】圖),且天線_體10 5,945,958號”迴路天線,,(參考十如關專利第 通訊之迴路天線,其天線包含—饋顧於短距離 耦合至第一輻射迴路21及第二輻射_良波訊號 別具有-不連續段23、24,該兩輻 離射迴路分 以調整天線之共振頻率。 ^ E離及不連績段間隙用 上述習知天線設計中,第一個钟 目的,其天線輕射體必須約為操作ΐ段⑼3達=效輻射之 MHz為例天線高度須為12 5公分,=波長,以_ 設計;第二設計結構雖然符合低姿式^響天線外觀 佳輻射效果,迴路天線所需長度約為-操作波tn口ί想要達到較 為例,天線輻射體所需總長度約為5〇 :、同樣^ 600MHz 姿勢的優點,不過天線所需長度過長, 路天線雖具低 為解決上述兩問題,我們在本發日种提出-種合。 ¢70236 迴路天線_新設計,不制與電路板整合 屬線與接地面戶斤產生之|馬入雷交描 :、 电谷輕B孟 之頻寬需求,且天線四==需 用價值之創新設計。 之-波長疋極具有產業應 【發明内容】 在於提供—種具錢容性結構之迴路天線的創 寬^=合1容’縮小天線尺寸並增加天線頻 ίί頻寬,求,可有效提升天線之操作頻寬。 -訊號^入點用上二:微?f底’―接地面位於微波基底上, 包;二第1早知頻訊號厂輕射金屬線,該輻射金屬線 及-古*山心幸田射Α屬線’該第一子輕射金屬線具有一起始端 ίϊϋϊίίί與訊號饋入點相接;—第二子轄射金屬線, i 射屬線具有—起始端及—末端,該末端連接至接地 及丄ϋ谷ϊ合金屬/線金屬線’該電容搞合金屬線具有一起始端 第一子輻射金屬線末端及第二子輻射金屬線起 產生叙合電容,縮小天線尺寸並增加操作罪丁用以 【實施方式】 、、 如第3 ®所㈣本發明之具電容賴之迴路 3〇 ' 31 ' ί 32 模能ii屬ΐ其中該輻射金屬線33用以產生該天線之操作 Ϊ二射金屬線331、一第二子輻射金屬線332 二孟屬線333,而該第一子輻射金屬線331具有一起始 =-末端,該起始端連接至訊號饋人金屬點32 :1270236 玖, invention description: [Technical field of invention] 线通天·p ant晴)' system is applied to no [prior art] wide-band ί I size is small and must be dimensioned on the scale (==^TV products, usually with - ground plane u (refer to the figure), and antenna_body 10 5,945,958" loop antenna, (refer to the loop antenna of the tenth patent patent communication, its antenna contains - feed The short-distance coupling to the first radiation loop 21 and the second radiation_broad wave signal have a discontinuous section 23, 24, and the two-spoke off-circuit loop is used to adjust the resonant frequency of the antenna. ^ E and non-continuous segments The gap is the same as in the conventional antenna design described above. The antenna of the first clock must be about the operating segment (9) 3 up to the frequency of the effective radiation. For example, the antenna height must be 12 5 cm, = wavelength, and _ design; Although the second design structure meets the good radiation effect of the low-profile antenna, the required length of the loop antenna is about - the operation wave tn port ί wants to reach a comparative example, the total length of the antenna radiator is about 5 〇: ^ Advantages of 600MHz pose, but required by the antenna Too long, the road antenna is low to solve the above two problems, we put forward in the present day - kind of combination. ¢70236 loop antenna _ new design, not with the circuit board integration line and ground surface generated by the | Ma into the lightning cross-section:, electric valley light B Meng's bandwidth requirements, and antenna four == need value of the innovative design. - wavelength bungee has industry should [invention content] is to provide - a kind of rich structure The loop antenna's width ^=1 capacity' reduces the antenna size and increases the antenna frequency ίί bandwidth, which can effectively improve the operating bandwidth of the antenna. - The signal ^in point uses the second: micro?f bottom '-ground plane Located on the microwave substrate, the package; the first 1st known frequency signal factory light metal wire, the radiation metal wire and - the ancient * mountain heart Koda field shooting line 'the first child light metal wire has a starting end ίϊϋϊίίί and the signal The feed point is connected; the second sub-metal line, the i-ray line has a start end and an end end, and the end is connected to the ground and the valley metal/wire metal line. Having a starting end of the first sub-radiation metal line end and a second sub-spoke The metal wire generates a combined capacitance, reduces the size of the antenna, and increases the operational sin. [Embodiment], as in the 3® (4) The circuit of the present invention has a capacitor 3〇' 31 ' ί 32 模 ii ΐ The radiant metal line 33 is used to generate the operation of the antenna, the bismuth metal line 331, the second sub-radiation metal line 332, and the first sub-radiation metal line 331 has a start=-end. The start end is connected to the signal feed metal point 32:
始端及—末端,該末端連接至接地面H 具有—起始端及—末端,分顺第一子輻射 容叙人人屬及弟—子輪射金屬線332起始端相接,其中該電 δ至Λ 333 ’與接地面3〇靠近並平行,用以產生耦合電容, 1270236 縮小天線所需尺寸。而該介質基底為微波介質。 第4圖為本發明天線之一實施例3的返回損失實驗結果,天 線頻寬在電壓駐波比(VSWR)小於3·5的定義下可從443 MHz 到 718MHz (〜47%),。a start end and an end end, the end being connected to the ground plane H having a start end and a end end, respectively, the first sub-radiation of the genus and the start of the sub-radio metal line 332 are connected, wherein the electric δ is Λ 333 'closes and parallels the ground plane 3〇 to create a coupling capacitor, and 1270236 reduces the size required for the antenna. The medium substrate is a microwave medium. Figure 4 is a graph showing the return loss experiment of Embodiment 3 of the antenna of the present invention. The antenna bandwidth can be from 443 MHz to 718 MHz (~47%) under the definition of a voltage standing wave ratio (VSWR) of less than 3.5.
如第5圖所示為本發明之具電容結構之迴路天線之另一實施 例5,其包含:一接地面5〇、一介質基底51、一訊號饋入金屬點 52及一輻射金屬線53。其中該輻射金屬線兄用以產生該天 操作模態,具有一第一子輻射金屬線531、一第二子輻射金屬線 532及L一電容耦合金屬線533,而該第一子輻射金屬線531具有二 ,始端及一末端,該起始端連接至訊號饋入金屬點52,該第二子 射具有—起始端及—末端,該末端連接至接地面 =,f =谷耦合金屬線533位於介質基底51的外側,為一彎折結 及第2持及一末端,分別與第一子輜射金屬線531末端 的織二二=屬、線532起始端相接,其中該電容耗合金屬線533 夂5G靠近並平行,用以產生輕合電容,縮小天線 施例:第其6包圖含所= 發面= 點62及一輻射金屬綠63。並由 、土 & 61、一§fl唬饋入金屬 632及-電容輕合金屬線阳,而該屬線 ^構^有:^,該起始“接至訊號饋ϋ 該電容耦合金麟633具有—起連接^接地面60, 射金屬線631末端及第二子編^ f ^刀別料一子輕 容,縮小天線尺寸並增加頻寬。罪近亚千仃,用以產生耦合電 在本發明說明中所述之實施例僅為說明本發明之原理及其功 13 1270236FIG. 5 is another embodiment 5 of the loop antenna with a capacitor structure according to the present invention, comprising: a ground plane 5〇, a dielectric substrate 51, a signal feeding metal point 52, and a radiation metal line 53. . The radiant metal line brother is used to generate the operating mode of the day, and has a first sub-radiation metal line 531, a second sub-radiation metal line 532 and an L-capacitive coupling metal line 533, and the first sub-radiation metal line 531 has two, a start end and an end, the start end is connected to the signal feed metal point 52, the second shot has a start end and a end end, the end is connected to the ground plane =, f = valley coupling metal line 533 is located The outer side of the dielectric substrate 51 is a bent junction and a second holding and an end, respectively connected to the end of the first sub-projection metal wire 531 at the end of the woven wire 2, the line 532, wherein the capacitor consumes metal Line 533 夂5G is close to and parallel to generate a light-combining capacitor, and the antenna is reduced. The sixth package contains the = face = point 62 and a radiant metal green 63. And by, soil & 61, a §fl唬 feed metal 632 and - capacitor light metal wire yang, and the genus ^ structure ^: ^, the initial "connected to the signal feed ϋ the capacitive coupling Jinlin 633 has a connection grounding surface 60, the end of the metal wire 631 and the second sub-module, the material is light, the antenna size is reduced and the bandwidth is increased. The embodiments described in the description of the present invention are merely illustrative of the principles of the present invention and its work 13 1270236
5:本發明之另一實施例 50 :接地面 52 :訊號饋入點 531 ··第一子輻射金屬線 533 :電容耦合金屬線 6 ··本發明之又一實施例 60 :接地面 62 :訊號饋入點 631 :第一子輻射金屬線 633 :電容耦合金屬線 51 :介質基底 5 3 ·輪射金屬線 532 :第二子輻射金屬線 61 :介質基底 63 :輻射金屬線 632 :第二子輻射金屬線5: Another embodiment 50 of the present invention: ground plane 52: signal feed point 531 · · first sub-radiation metal line 533: capacitive coupling metal line 6 · Another embodiment 60 of the present invention: ground plane 62: Signal feed point 631: first sub-radiation metal line 633: capacitive coupling metal line 51: dielectric substrate 5 3 · wheel metal line 532: second sub-radiation metal line 61: dielectric substrate 63: radiation metal line 632: second Sub-radiation metal wire
1515
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94127533A TWI270236B (en) | 2005-08-12 | 2005-08-12 | Loop antenna with capacitive structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94127533A TWI270236B (en) | 2005-08-12 | 2005-08-12 | Loop antenna with capacitive structure |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI270236B true TWI270236B (en) | 2007-01-01 |
TW200707846A TW200707846A (en) | 2007-02-16 |
Family
ID=38318586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW94127533A TWI270236B (en) | 2005-08-12 | 2005-08-12 | Loop antenna with capacitive structure |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI270236B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903559A1 (en) * | 2006-09-20 | 2008-03-26 | Deutsche Thomson-Brandt Gmbh | Method and device for transcoding audio signals |
-
2005
- 2005-08-12 TW TW94127533A patent/TWI270236B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW200707846A (en) | 2007-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI388084B (en) | Wide-band planar antenna | |
US7667663B2 (en) | Coupling antenna | |
WO2020249087A1 (en) | Dual-band antenna and aircraft | |
WO2007091578A1 (en) | Antenna device and communication apparatus employing same | |
CN104134858B (en) | A kind of miniaturization conical spiral antenna of loop coupling | |
US8207903B2 (en) | Antenna | |
JP4782203B2 (en) | Ultra-small built-in antenna | |
TWI270236B (en) | Loop antenna with capacitive structure | |
US20100134382A1 (en) | Multi-Frequency Antenna | |
US7567210B2 (en) | Small size ultra-wideband antenna | |
CN109148243A (en) | Wideband high-power delivery of energy structure suitable for helix TWT | |
TWI333715B (en) | ||
TW200824189A (en) | Multi frequency antenna | |
TWI334241B (en) | Antenna | |
JP2007235236A (en) | Patch antenna and high-frequency device | |
TWI388086B (en) | Slot antenna | |
TWI338977B (en) | Broadband antenna | |
US20050156783A1 (en) | Dual-band antenna | |
TWI453992B (en) | Dual frequency antenna | |
TWI220077B (en) | Multi-frequency antenna | |
TWI327386B (en) | Dual-band antenna | |
TWI342639B (en) | A compact dtv receiving antenna | |
TWI234902B (en) | Triple-band printed meander monopole antenna | |
TWM345365U (en) | Multi-band antenna | |
TWI396329B (en) | Coplanar waveguide-feed circularly polarized antenna |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |