1 9¾ 99年9}jl7 LJ修正替換ff] 九、發明說明： 【發明所屬之技術領域】 本發明係一種小划# _ a u β 別指其_料^^ U印刷難天線，特 又计為兩相對〔形之雙頻印刷偶極天線’ 調控部與輪射部相連’即形成-應用於議X 規格的覓頻印刷偶極天線者。 【先前技術】 • J見今WIMAX/WLAN &雙頻或三頻偶極天線，已有相告 多':者及研究單位投入研究，有如：⑴中華民國專： 么告唬第1283945號之「雙頻雙偶極天線」、（2)中華 民國專利公開號第200727533號之「平面偶極天線」、 (中華民國專利公開號第200701 556號之「雙頻偶極 天線」、（4 )中華民國專利公開號第2〇〇71 9532號「偶 f天線」、（5 )英國專利申請號第〇518996 4號之 「Balanced antenna devices」及（6)美國專利申請號 春第 10/641，913 號之「Multi-band printed dipole antenna」等專利發表。 然’前述之（1) 、（2) 、（3)專利案，係以較複 雜之構造達成其功能性，重量較重成本亦較高，且較不 易射頻電路系統做整合，本發明是印刷式結構，具有重 量輕' 低姿態（low prof i le)、低成本及容易與射頻電 路系統做整合荨優點。而（4 )、（ 5 ) 、（ 6 )號專利案 僅能單純以寬頻或雙頻天線操作，再者一般常見天線為 要增加通訊頻段和頻寬就必須增加天線的數目或以寬頻 5 1335689 — p II !______1 93⁄4 99年9}jl7 LJ correction replacement ff] IX, invention description: [Technical field of invention] The present invention is a small stroke # _ au β not only refers to its _ material ^ ^ U printing difficult antenna, especially counted as The two opposite (shaped dual-frequency printed dipole antenna 'control unit is connected to the firing portion' is formed - applied to the X-standard 印刷 frequency printed dipole antenna. [Prior Art] • J sees today's WIMAX/WLAN & dual- or triple-frequency dipole antennas, and there have been many reports: 'The researchers and research units are investing in research, such as: (1) Republic of China: What is the number 1283945? "Double Frequency Dual Dipole Antenna", (2) "Transient Dipole Antenna" of the Republic of China Patent Publication No. 200727533, "Double Frequency Dipole Antenna" of the Republic of China Patent Publication No. 200701 556, (4) The Republic of China Patent Publication No. 2, No. 71, 9532, "Effective antennas", (5) British Patent Application No. 518, 996, "Balanced antenna devices" and (6) US Patent Application No. 10/641, Patent No. 913, “Multi-band printed dipole antenna” was published. However, the above-mentioned (1), (2), and (3) patents have achieved their functionality with more complicated structures, and the weight is heavier. High, and less integrated with RF circuit systems, the present invention is a printed structure that has the advantages of light weight, low profile, low cost, and ease of integration with RF circuitry. (4), ( 5), (6) patent case can only be wide Frequency or dual-band antenna operation, and generally common antennas to increase the communication frequency band and bandwidth must increase the number of antennas or to broadband 5 1335689 — p II !______
I 頁 I 天=來涵蓋操作頻段，其資源和成本耗f較高。且在天 線5又计士’天線體積都較大佔了電路中很大的面積 現今輕薄短小的無線通訊產品來說，不太適用。 【發明内容】 一锸？此，基於習知天線之種種缺失’故本發明係提供 一小型化雙頻及寬頻印刷偶極天線，其輕射部設叶為 形’體積僅有40χ10χ0·8_3，而印刷天線具 2文勢、質量輕'製造容易等優點’可應用於wimax 規格。 g 本發明係-種小型化雙頻印刷偶極天線，係於基板 上形成有： 、，第—輻射部，係包括平行排列之第一水平段、第二 水平奴、第二水平段、第四水平段以及第一垂直段、第 二垂直段’該第—垂直段係與第—水平段、第三水平段 之端相連，该第二垂直段係設於第一垂直段之對側， 而與第二水平段、第四水平段之一端相連； 第二輻射部，係沿基板中心線與第一輻射部對稱，· 並與第i射部隔有—間隙包括有：平行排列之第五 水平段、第六水平段、第七水平段、第八水平段以及第 二垂直段、第四垂直段，該第三垂直段係與第五水平段' 第七水平段之-端垂直相連，該第四垂直段係設於第三 垂直段之對側’而與第六水平段、第八水平段垂直相連； 饋入部，係與第四水平段及第八水平段相連。 上述之小型化雙頻印刷偶極天線係印製在一相對 叫5689 丨9¾ }攸備丨 99年9 η修正替換頁 ”電常數為4. 4 ’損耗正切（loss tangent)為〇 〇245 之FR4板上。 上述之小型化雙頻印刷偶極天線，該饋入部係饋入 有50歐姆之同軸電纜。 上述之小型化雙頻印刷偶極天線’第一輻射部與第 二輕射部之間隙係卜3mm。 上迷之小型化雙 # — — 1 ...........个咏π —至罝段、 弟—水平段以及第三水平段係形成一匚形。該第二垂直 &、第二水平段以及第四水平段係形成一匸形。該第三 ，直段、第五水平段以及第七水平段係形成—匸形。該 第四垂直段、第六水平段以及第八水平段係形成一匸形Υ 本發明係一種以前述之小型化雙頻印刷偶極天線 所構成之寬頻印刷偶極天線，係分別於前述之 部與第二輻射部分別設有： 弟輪射 兩個第-頻寬難部’其中—個第—頻寬調控部係 垂直連接於第二水平段及第三水平段之間，另一第一 寬調控部則自第一垂直段之一端開始延伸接 於第四水平段之另一端，以及； 1運接 兩個第二頻寬調控部’其中—個第二頻寬調控部係 垂直連接於第六水平段及第七水平段之間， 寬調控部則自第五垂直段之一端門私π从 乐—頻 ^開始延伸，並垂直連接 於第八水平段之另一端。 上述之寬頻印刷偶極天線，其操 2· 49GHz以上。 领見係在 7 1335689 換頁 _99年9/j丨7门修正荇換頁’ 本發明之優點如下： 1. 本發明的雙頻及寬頻印刷偶極天線，其體積僅有 4〇χ1〇Χ〇.8ππη3 ，可應用於WIMAX規格，而印刷天線具有 低姿勢 '質量輕 '製造容易等優點，由於其構造簡單故-成本較低廉。 2. 本發明之寬頻印刷偶極天線經最佳化後，從返回 損失大於7.5dB來看，可產生2.49GHz以上的寬頻操作， 其頻帶涵蓋則AX之三頻操作頻帶，有著良好的輻射特 性、小型化的體積和全向向同性的輻射場型圖等優點。_ 3. 本毛月之天線可任思设計成為寬頻或雙頻操 作’而當雙頻操作時更可為電路設計上省下濾波器的成 本，而且此設計只需使用頻寬調控部與輻射部相連造成 抑制頻帶出現，相當便利。 【實施方式】 首先，如第一圖所示，為本發明之第一實施例，係 一種小型化雙頻印刷偶極天線’於相對介電常數為e ι· = 4.4,損耗正切為0.0245,厚度為〇·8_及面積為I X 1 Omm的FR4之基板（1 )上形成有： 第一輪射部（2 )，係包括平行排列之水平段組（21 ) 及垂直段組（22)，其中該水平段組（21)包含有··第 一水平段（211)、第二水平段（212)、第三水平段（213)、 第四水平段（2〗4 ) ’而垂直段組（22 )則包含有：第一 垂直段（221 )、第二垂直段（222 )，該第一垂直段（221 ) 係與第一水平段（211 )、第三水平段（2丨3 )之—端垂 13356.89 • 匕年只”穿正替換頁 99年9月丨7〖j修正替換頁 ' 直相連，形成匸形，該第二垂直段（222 )係設於第一垂 直段（2 21 )之相對側，而與第二水平段（21 2 )、第四 •水平段（214 )之一端垂直相連，形成匚形，且第二水平 #又（21 2 )及第二水平段（21 3 )係交錯排列於第一水平 丰又（211 )及第四水平段（2 1 4 )之相對内側。 第二輻射部（3 )，係沿基板（1 )中心線與第一輕 射部（2)對稱，並與第一輻射部（2)間隔有一係卜3_ _之間隙（4 ) ’该苐一輕射部（3 )包括有：平行排列之 水平段組（31)以及垂直段組（32)，其中該水平段組 (31) 包括：第五水平段（3Π) '第六水平段（312)、 第七水平段（313)、第八水平段（314)，該垂直段組 (32) 包括：第三垂直段（321)、第四垂直段（322), 該第三垂直段（321 )係與第五水平段（3丨丨）' 第七水 平段（313)之一端垂直相連，形成匚形，該第四垂直段 ' (322 )係設於第三垂直段（321 )之對側，而與第六水 .籲平段（3丨2)、第八水平段（3丨4)垂直相連，形成〔形， 且第六水平段（312)及第七水平段（313)係交錯排列 於第五水平段（311 )及第八水平段（314 )之相對内側。 饋入。p (5)，其一端设有第一饋入端（51)以及 第一饋入端（52)，係以第一饋入端（51)與第一輻射 。戸（2)之第四水平段（214)相連，以第二饋入端（52) 與第二輻射部（3 )之第八水平段（314 )相連，該饋入 4 ( 5 )係沿基板（1 )中線筆直饋入一 5 〇歐姆的訊號饋 入線’係一同軸電纜，其寬度為2mm。 9 1335689 如第二圖所示’為本發明之第二實施例，係—種以 前述之小型化雙頻印刷偶極天線所構成之寬頻印刷偶極 天線，係分別於前述之第一輻射部（2 )與第二輻射部（3广 分別設有兩個第一頻寬調控部（6)、（6A)與第二頻寬調 控部（7 )、（ 7A )，連接成彎折路徑偶極天線，可有效 的增加阻抗頻寬，經最佳化尺寸後，即形成一寬頻操作 之WiMAX印刷偶極天線，其中： 第一頻寬調控部（6 )係垂直連接於第二水平段 (212)及第三水平段（213)之間，另一第一頻寬調‘ · 部（6A)則自第一垂直段（221)之一端開始延伸，並垂 直連接於第四水平段（214)之另一端。 第一頻見調控部（7 )係垂直連接於第六水平段 (3⑴及第七水平段（313)之間’另一第二頻寬調： 部（7A)則自第五垂直段（321)之—端開始延伸並垂 直連接於第八水平段（314)之另一端。 其操作頻寬係在籲 上述之寬頻印刷偶極天線 49GHz 以上。 第三圖為調整第一輻射部（2 )和第二輻射 之間隙（4)[即圖中之參數叫之返射損失圖，在間隙（4) 由3mm縮小至lmm時，整體阻抗匹配變佳，是重要參數 第四圖為本第二實施例之返回損失圖，其 表實驗量測、虛線代表軟體模擬、κ 2 4Q - - X 旳、，。果，此操作頻段 Α49〜6GHz疋符合WIMA；Uj^術之操 1335689 的年g 1日f正麵 99年9月17曰修正替換頁 第五圖、第六圖及第七圖分別為本第二實施例，其 操作頻率在2.5GHz、3.5GHz和5.5GHZ時，χ-ζ平面和 χ-γ平面上的主極化和交差極化遠場輻射場形實驗量測 結果，且從這些輻射場形的結果顯示本第二實施例具有 不錯的主極化輻射，且為常用的垂向輻射（br〇adside radiation)。 第八圖為本第二實施例之天線增益圖對頻率變化 圖，由圖可知三個頻段的天線分別的最大增益值分別為 3.41，3.64及5.93dBi，除了滿足WiMAX系統高增益的 需求’並且有更小更輕薄的體積。 【圖式簡單說明】 第一圖本發明之第一實施例的幾何結構圖。 本發明之第二實施例之幾何結構圖。 本發明之第二實施例之參數G增減對返回損失 第二圖 第三圖 的影響。 本發明之第二實施例之返回損失實驗量 測結 第四圖 果。 第五圖本發明之第二實施例分別在平面# Η平 面的2. 5GHz之輻射場型圖。 第六圖本發明之第二實施例分別在χ γ平面矛口 p 面的3· 5GHz之輪射場型圖。 第七圖本發明之第-杏竑你丨八2，丨—ν 弟一貝靶例刀別在Χ-Υ平面和Υ-7巫 面的5. 5GHz之輻射場型圖。 千 第八圖本發明第-寄# +工&以、， 一貫知例之天線增盈對頻率變化圖。 1335689I page I days = to cover the operating frequency band, its resource and cost consumption f is higher. And in the antenna 5, the number of antennas is larger than the large area of the circuit. Today's light and short wireless communication products are not suitable. [Summary of the Invention] What? Therefore, based on the various missing antennas of the prior art, the present invention provides a miniaturized dual-frequency and wide-band printed dipole antenna, the light-emitting portion of which is shaped like a blade, and the volume is only 40χ10χ0·8_3, and the printed antenna has 2 The light weight, 'easy to manufacture, etc.' can be applied to the wimax specification. The invention relates to a miniaturized dual-frequency printed dipole antenna, which is formed on a substrate: a first radiating portion comprising a first horizontal segment arranged in parallel, a second horizontal slave, a second horizontal segment, and a first horizontal segment The fourth horizontal segment and the first vertical segment and the second vertical segment are connected to the ends of the first horizontal segment and the third horizontal segment, and the second vertical segment is disposed on the opposite side of the first vertical segment. And connecting to one end of the second horizontal section and the fourth horizontal section; the second radiating part is symmetric with the first radiating part along the center line of the substrate, and is separated from the i-th emitting part, the gap includes: a parallel arrangement a fifth horizontal section, a sixth horizontal section, a seventh horizontal section, an eighth horizontal section, and a second vertical section and a fourth vertical section, the third vertical section being vertically connected to the end of the fifth horizontal section 'the seventh horizontal section The fourth vertical segment is disposed on the opposite side of the third vertical segment and is perpendicularly connected to the sixth horizontal segment and the eighth horizontal segment; and the feeding portion is connected to the fourth horizontal segment and the eighth horizontal segment. The above-mentioned miniaturized dual-frequency printed dipole antenna is printed on a relative basis of 5689 丨93⁄4 }攸99丨9 η correction replacement page" electric constant is 4. 4 'loss tangent is 〇〇245 FR4 board. The miniaturized dual-frequency printed dipole antenna described above, the feeding portion is fed with a 50 ohm coaxial cable. The miniaturized dual-frequency printed dipole antenna 'the first radiating portion and the second light portion The gap is 3mm. The miniaturized double #1 - 1 ........... 咏 π - to the 罝 section, the brother - horizontal section and the third horizontal section form a 匚 shape. The second vertical & second horizontal section and the fourth horizontal section form a dome shape. The third, straight section, fifth horizontal section and seventh horizontal section form a 匸 shape. The fourth vertical section, the fourth The sixth horizontal section and the eighth horizontal section form a dome shape. The present invention is a wideband printed dipole antenna formed by the aforementioned miniaturized dual-frequency printed dipole antenna, which is respectively respectively in the foregoing part and the second radiation part. It is equipped with: The second round of the first-frequency band is difficult. Connected between the second horizontal segment and the third horizontal segment, the other first wide regulating portion extends from one end of the first vertical segment to the other end of the fourth horizontal segment, and; The bandwidth control unit's one second bandwidth control unit is vertically connected between the sixth horizontal segment and the seventh horizontal segment, and the wide control portion is from the end of the fifth vertical segment. Extending and vertically connected to the other end of the eighth horizontal section. The above-mentioned wide-band printed dipole antenna is operated at more than 2·49 GHz. The collar is at 7 1335689, the page is changed to _99, 9/j丨7, the door is corrected, and the page is changed. The advantages of the invention are as follows: 1. The dual-frequency and wide-band printed dipole antenna of the present invention has a volume of only 4〇χ1〇Χ〇.8ππη3, which can be applied to the WIMAX specification, and the printed antenna has a low posture 'quality light' and is easy to manufacture. The advantages are simple, because of its simple structure, and the cost is relatively low. 2. The broadband printed dipole antenna of the present invention is optimized to have a broadband operation of 2.49 GHz or more from a return loss of more than 7.5 dB, and the frequency band covers Then AX's tri-band operating band has Good radiation characteristics, miniaturized volume and isotropic radiation field pattern. _ 3. This month's antenna can be designed to be broadband or dual-frequency operation' and can be operated when dual-frequency operation The cost of the filter is saved for the circuit design, and the design is only convenient to use the bandwidth control unit and the radiation portion to cause the suppression band to appear. [Embodiment] First, as shown in the first figure, the present invention is The first embodiment is a miniaturized dual-frequency printed dipole antenna of a FR4 substrate having a relative dielectric constant of e ι· = 4.4, a loss tangent of 0.0245, a thickness of 〇·8_ and an area of IX 1 Omm ( 1) formed on: a first round portion (2) comprising a horizontal segment group (21) and a vertical segment group (22) arranged in parallel, wherein the horizontal segment group (21) comprises a first horizontal segment (211), a second horizontal segment (212), a third horizontal segment (213), a fourth horizontal segment (2〗 4) ' and a vertical segment group (22) includes: a first vertical segment (221), a vertical section (222), the first vertical section (221) being associated with the first horizontal section (211) and the third horizontal section (2丨3) - End dangling 13356.89 • The following year only "wearing positive replacement page 99 September 丨 7 〖 j correction replacement page" is directly connected to form a 匸 shape, the second vertical segment (222) is set at An opposite side of a vertical section (2 21 ) and perpendicularly connected to one end of the second horizontal section (21 2 ) and the fourth horizontal section (214) to form a dome shape, and the second level # (21 2 ) and The second horizontal segment (21 3 ) is staggered on opposite sides of the first horizontal sum (211) and the fourth horizontal segment (2 1 4 ). The second radiating portion (3) is symmetrical with the first light-emitting portion (2) along the center line of the substrate (1), and is spaced apart from the first radiating portion (2) by a gap (4) of the 3'_' A light shot portion (3) includes: a horizontal segment group (31) arranged in parallel and a vertical segment group (32), wherein the horizontal segment group (31) includes: a fifth horizontal segment (3Π) and a sixth horizontal segment ( 312), a seventh horizontal segment (313), an eighth horizontal segment (314), the vertical segment group (32) includes: a third vertical segment (321), a fourth vertical segment (322), the third vertical segment ( 321) is perpendicularly connected to one end of the fifth horizontal section (3丨丨)' seventh horizontal section (313) to form a dome shape, and the fourth vertical section '(322) is disposed in the third vertical section (321) The opposite side is perpendicularly connected to the sixth water, the flat section (3丨2), and the eighth horizontal section (3丨4), forming a shape, and the sixth horizontal section (312) and the seventh horizontal section (313) The lines are staggered on opposite sides of the fifth horizontal segment (311) and the eighth horizontal segment (314). Feed in. p (5) is provided at one end with a first feed end (51) and a first feed end (52) with a first feed end (51) and a first radiation. The fourth horizontal segment (214) of the 戸(2) is connected, and the second feeding end (52) is connected to the eighth horizontal segment (314) of the second radiating portion (3), and the feeding 4 (5) is along the edge The substrate (1) is fed directly into a 5 〇 ohm signal feed line, which is a coaxial cable with a width of 2 mm. 9 1335689 As shown in the second figure, a second embodiment of the present invention is a wide-band printed dipole antenna composed of the aforementioned miniaturized dual-frequency printed dipole antenna, which is respectively in the first radiating portion. (2) and the second radiating portion (the three first bandwidth adjusting portions (6), (6A) and the second bandwidth adjusting portion (7), (7A) are respectively connected to the bending path couple The pole antenna can effectively increase the impedance bandwidth, and after optimizing the size, a WiMAX printed dipole antenna is formed, wherein: the first bandwidth control unit (6) is vertically connected to the second horizontal section ( Between 212) and the third horizontal segment (213), another first bandwidth adjustment portion (6A) extends from one end of the first vertical segment (221) and is vertically connected to the fourth horizontal segment (214) The other end of the first frequency control unit (7) is vertically connected between the sixth horizontal segment (3 (1) and the seventh horizontal segment (313) 'the other second bandwidth adjustment: the part (7A) is from the first The end of the five vertical segments (321) begins to extend and is vertically connected to the other end of the eighth horizontal segment (314). The broadband printed dipole antenna is above 49 GHz. The third figure is to adjust the gap between the first radiating portion (2) and the second radiation (4) [that is, the parameter in the figure is called the return loss map, and the gap (4) is 3 mm. When the size is reduced to lmm, the overall impedance matching becomes better, which is an important parameter. The fourth figure is the return loss map of the second embodiment. The table measurement is measured, and the dotted line represents the software simulation, κ 2 4Q - - X 旳, . This operation frequency band Α49~6GHz疋 conforms to WIMA; Uj^ surgery 1335689 year g 1 day f positive 99 years September 17 曰 correction replacement page fifth, sixth and seventh figures are respectively second Embodiments, when operating at frequencies of 2.5 GHz, 3.5 GHz, and 5.5 GHz, the main polarization and cross-polarization far-field radiation field shape experimental measurements on the χ-ζ plane and the χ-γ plane, and from these radiation fields The result of the shape shows that the second embodiment has good main polarized radiation and is a commonly used vertical radiation. The eighth figure is the antenna gain map versus frequency change diagram of the second embodiment. The figure shows that the maximum gain values of the antennas in the three bands are 3.41, 3.64 and 5.93dBi, respectively. In addition to meeting the high gain requirements of the WiMAX system' and having a smaller, lighter and lighter volume. [Schematic Description] The first figure is a geometrical diagram of the first embodiment of the present invention. The geometrical structure of the second embodiment of the present invention The influence of the parameter G increase or decrease of the second embodiment of the present invention on the return loss is shown in the third figure of the second figure. The return loss experimental quantity measurement of the second embodiment of the present invention is the fourth figure. The second embodiment is respectively a radiation field pattern of 2. 5 GHz in a plane #Η plane. The sixth embodiment is a 3·5 GHz wheel field pattern of the p-plane of the γ γ plane, respectively. The seventh figure of the present invention - apricot 竑 丨 2 2 2 丨 ν ν ν ν ν ν 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 贝 靶 靶 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 The eighth figure of the present invention is the first-to-send #+工&, and, consistently known, the antenna gain-to-frequency variation diagram. 1335689
曰修正替換頁 【主要元件符號說明】 (1 ) 基板 (2) 第一輻射部 (211 )第一水平段 (213 )第三水平段 (22) 垂直段組 (222 )第二垂直段 (3) 第二輻射部 (311 )第五水平段 (313)第七水平段 (32) 垂直段組 (322)第四垂直段 (4 ) 間隙 (51 ) 第一饋入端曰Revision replacement page [Description of main component symbols] (1) Substrate (2) First radiation section (211) First horizontal section (213) Third horizontal section (22) Vertical segment group (222) Second vertical section (3) a second radiation portion (311) a fifth horizontal segment (313) a seventh horizontal segment (32) a vertical segment group (322) a fourth vertical segment (4) a gap (51) a first feed end
(21) 水平段組 (212) 第二水平段 (214) 第四水平段 (221 ) 第一垂直段 (31) 水平段組 (312) 第六水平段 (314) 第八水平段 (321 ) 第三垂直段 (5) 饋入部 (52) 第二饋入端 (6A) (7) (7A)(21) Horizontal segment group (212) Second horizontal segment (214) Fourth horizontal segment (221) First vertical segment (31) Horizontal segment group (312) Sixth horizontal segment (314) Eighth horizontal segment (321) Third vertical section (5) Feeding section (52) Second feeding end (6A) (7) (7A)
第一頻寬調控部 第一頻寬調控部 第二頻寬調控部 第二頻寬調控部First bandwidth control unit, first bandwidth control unit, second bandwidth control unit, second bandwidth control unit