對于計(ji)劃(hua)從事(shi)手機天(tian)(tian)線(xian)設(she)計(ji)的(de)工程(cheng)師,或者已經進入手機天(tian)(tian)線(xian)設(she)計(ji)行業,打算深入了解各種類型手機天(tian)(tian)線(xian)的(de)工作(zuo)原(yuan)理,進一步提高天(tian)(tian)線(xian)設(she)計(ji)能力的(de)工程(cheng)師,該(gai)門課程(cheng)無(wu)疑是您佳的(de)選擇。
課程(cheng)(cheng)全(quan)面(mian)介紹了當(dang)前手(shou)(shou)機(ji)(ji)天(tian)線(xian)相關設計(ji)(ji)(ji)技(ji)(ji)術(shu),內(nei)容涵蓋了早期(qi)的(de)(de)(de)(de)外置(zhi)螺旋手(shou)(shou)機(ji)(ji)天(tian)線(xian)設計(ji)(ji)(ji),常用(yong)幾種(zhong)類(lei)(lei)型(xing)的(de)(de)(de)(de)手(shou)(shou)機(ji)(ji)內(nei)置(zhi)天(tian)線(xian)如monopole天(tian)線(xian)、PIFA天(tian)線(xian)、Loop天(tian)線(xian)和(he)FICA天(tian)線(xian)的(de)(de)(de)(de)設計(ji)(ji)(ji),以及當(dang)前高端(duan)智能手(shou)(shou)機(ji)(ji)中較常用(yong)的(de)(de)(de)(de)金屬(shu)邊框和(he)全(quan)金屬(shu)外殼手(shou)(shou)機(ji)(ji)天(tian)線(xian)的(de)(de)(de)(de)設計(ji)(ji)(ji)。課程(cheng)(cheng)同時還介紹LTE全(quan)網通手(shou)(shou)機(ji)(ji)這(zhe)樣的(de)(de)(de)(de)多(duo)頻段多(duo)制(zhi)式(shi)LTE手(shou)(shou)機(ji)(ji)天(tian)線(xian)的(de)(de)(de)(de)分段調頻技(ji)(ji)術(shu),以及2G、3G和(he)4G LTE的(de)(de)(de)(de)頻段劃分。課程(cheng)(cheng)內(nei)容不僅包括各(ge)種(zhong)類(lei)(lei)型(xing)手(shou)(shou)機(ji)(ji)天(tian)線(xian)設計(ji)(ji)(ji)原理和(he)設計(ji)(ji)(ji)方法的(de)(de)(de)(de)講解,還包括各(ge)種(zhong)類(lei)(lei)型(xing)手(shou)(shou)機(ji)(ji)天(tian)線(xian)的(de)(de)(de)(de)實際設計(ji)(ji)(ji)案(an)例的(de)(de)(de)(de)分析。
課程(cheng)旨在幫助學員(yuan)全(quan)面(mian)了解和掌握當前(qian)手機(ji)天線設計的(de)相關技術,提高學員(yuan)的(de)天線設計能力,能夠獨擋一面(mian)完成手機(ji)天線的(de)設計項(xiang)目。課程(cheng)詳細(xi)內(nei)容安排如下:
第一(yi)講:課程(cheng)內容(rong)簡介
第二講(jiang):手(shou)機制式(shi)和工作頻段劃分(fen)
了解手(shou)機制式的發(fa)展演變(bian)過程,掌握手(shou)機各種制式不同工(gong)作(zuo)(zuo)頻(pin)(pin)(pin)段所對(dui)應的工(gong)作(zuo)(zuo)頻(pin)(pin)(pin)率(lv)范圍。比如:常(chang)說的2G、3G、4G手(shou)機分別指(zhi)什么(me),GSM/CDMA/TD-SCDMA/WCDMA/LTE手(shou)機工(gong)作(zuo)(zuo)頻(pin)(pin)(pin)率(lv)是(shi)多少(shao)? 常(chang)說的五模十(shi)頻(pin)(pin)(pin)、五模十(shi)三(san)頻(pin)(pin)(pin)的手(shou)機,LTE全網通手(shou)機天線需要支持哪(na)些頻(pin)(pin)(pin)率(lv)?WiFi/Bluetooth/GPS的工(gong)作(zuo)(zuo)頻(pin)(pin)(pin)率(lv)是(shi)多少(shao)?
第三講:天線基本工作原理和性(xing)能參數
主要介紹什么是天線,天線的基本工作原理以及表征天線性能的基本參數的定義,如天線的工作頻率和帶寬、電壓駐波比、回波損耗、輸入阻抗 、天線輻射方向圖、方向性系數、效率和增益、極化方式、隔離度、TRP、TIS、SAR等參數
第四講:手機天線匹配電路設計
介紹手機天線匹(pi)配(pei)(pei)電(dian)路(lu)設計的相關知識,內容包括: 手機天線匹(pi)配(pei)(pei)電(dian)路(lu)的形式,匹(pi)配(pei)(pei)電(dian)路(lu)中電(dian)感、電(dian)容元件的選擇, Smith圓(yuan)圖(tu)知識及電(dian)容、電(dian)感元件在smith圓(yuan)圖(tu)上(shang)的變化軌(gui)跡,如何 使(shi)用Smith圓(yuan)圖(tu)設計L型、π型匹(pi)配(pei)(pei)電(dian)路(lu),以及雙頻匹(pi)配(pei)(pei)電(dian)路(lu)的設計考量
第五(wu)講(jiang):手機天(tian)線的發展歷程和類(lei)型
簡單回顧一(yi)下手機天線的發展過程(cheng)以及常用的手機天線類型
第六(liu)講:手機(ji)外(wai)置螺旋天線設計(ji)
螺旋天線及其變形結構一直是手機外置天線的主要形式;雖然現在外置天線退出了手機天線領域,但是手機天線是一個逐步發展的過程,外置螺旋天線的很多設計思路和設計概念,對于當前內置天線的設計仍有很大借簽意義 。
本講主要講解手(shou)(shou)機(ji)(ji)外(wai)置(zhi)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)工(gong)作原理的設(she)(she)(she)計(ji)(ji)分(fen)(fen)析,內容包括:單(dan)頻(pin)(pin)手(shou)(shou)機(ji)(ji)外(wai)置(zhi)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)的設(she)(she)(she)計(ji)(ji),雙(shuang)頻(pin)(pin)/多(duo)頻(pin)(pin)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)設(she)(she)(she)計(ji)(ji),多(duo)頻(pin)(pin)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)如何調(diao)整各(ge)個頻(pin)(pin)段的工(gong)作頻(pin)(pin)率(lv)和帶寬,多(duo)分(fen)(fen)支雙(shuang)頻(pin)(pin)/多(duo)頻(pin)(pin)手(shou)(shou)機(ji)(ji)外(wai)置(zhi)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)設(she)(she)(she)計(ji)(ji),單(dan)分(fen)(fen)支雙(shuang)頻(pin)(pin)/多(duo)頻(pin)(pin)手(shou)(shou)機(ji)(ji)外(wai)置(zhi)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)設(she)(she)(she)計(ji)(ji),手(shou)(shou)機(ji)(ji)外(wai)置(zhi)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)的變(bian)形結構(gou),以及手(shou)(shou)機(ji)(ji)PCB板參考(kao)地對外(wai)置(zhi)螺(luo)(luo)(luo)旋(xuan)(xuan)天(tian)線(xian)性能(neng)的影響分(fen)(fen)析
第(di)七講:倒(dao)L天線和倒(dao)F天線的設計
本講主要介紹倒(dao)(dao)L天(tian)(tian)(tian)線(xian)和倒(dao)(dao)F天(tian)(tian)(tian)線(xian)的工作(zuo)原理,倒(dao)(dao)L和倒(dao)(dao)F天(tian)(tian)(tian)線(xian)的各(ge)種變形(xing)結(jie)構及(ji)多頻的實現(xian),提高倒(dao)(dao)L和倒(dao)(dao)F天(tian)(tian)(tian)線(xian)工作(zuo)帶寬的設計方法(fa),以(yi)及(ji)多頻倒(dao)(dao)F天(tian)(tian)(tian)線(xian)的實際(ji)設計案例分析
第八講:手機內置PIFA天線設計
PIFA(Planar Inverted-F Antenna)是(shi)常用的一(yi)種內(nei)置(zhi)手(shou)機(ji)天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)形式(shi),它可(ke)以看(kan)做是(shi)由倒F天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)發展而(er)來(lai),這一(yi)講主要講解PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)的設(she)(she)計(ji)分(fen)(fen)析和實際設(she)(she)計(ji)案例(li)。內(nei)容(rong) 包括:單(dan)頻(pin)PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)設(she)(she)計(ji)分(fen)(fen)析,多(duo)頻(pin)PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)設(she)(she)計(ji)分(fen)(fen)析和PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)多(duo)頻(pin)實現的方(fang)法(fa),L形槽(cao)和G形槽(cao)多(duo)頻(pin)PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)設(she)(she)計(ji)分(fen)(fen)析,寄生(sheng)單(dan)元增加PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)工作帶寬(kuan)的設(she)(she)計(ji) ,PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)阻抗匹配設(she)(she)計(ji)以及(ji)手(shou)機(ji)內(nei)置(zhi)PIFA天(tian)(tian)(tian)線(xian)(xian)(xian)(xian)(xian)實際設(she)(she)計(ji)案例(li)分(fen)(fen)析
第九講:手(shou)機內置單極子天(tian)線(xian)設計
內(nei)置(zhi)(zhi)單(dan)極(ji)子(zi)(zi)天(tian)(tian)(tian)線(xian)也(ye)是常用(yong)的(de)一種內(nei)置(zhi)(zhi)手(shou)機(ji)天(tian)(tian)(tian)線(xian)形(xing)式,本(ben)講以Moto V3手(shou)機(ji)的(de)內(nei)置(zhi)(zhi)單(dan)極(ji)子(zi)(zi)天(tian)(tian)(tian)線(xian)設計(ji)為例,分析(xi)了(le)手(shou)機(ji)內(nei)置(zhi)(zhi)單(dan)極(ji)子(zi)(zi)天(tian)(tian)(tian)線(xian)的(de)設計(ji)原(yuan)理和(he)設計(ji)方法,內(nei)容包(bao)括:PIFA天(tian)(tian)(tian)線(xian)和(he)單(dan)極(ji)子(zi)(zi)天(tian)(tian)(tian)線(xian)的(de)區別(bie) 、手(shou)機(ji)內(nei)置(zhi)(zhi)單(dan)極(ji)子(zi)(zi)天(tian)(tian)(tian)線(xian)多頻工作(zuo)實(shi)現(xian)(包(bao)括多分支實(shi)現(xian)多頻工作(zuo)和(he)單(dan)分支多模實(shi)現(xian)多頻工作(zuo))、手(shou)機(ji)內(nei)置(zhi)(zhi)單(dan)極(ji)子(zi)(zi)天(tian)(tian)(tian)線(xian)增加工作(zuo)帶寬的(de)方法
第十(shi)講:手機內置環形天(tian)線(xian)/折疊(die)偶極子(zi)天(tian)線(xian)設計
環(huan)(huan)(huan)形(xing)(xing)(xing)天(tian)(tian)線(xian)(xian)(Loop Antenna) 是經(jing)典的一種天(tian)(tian)線(xian)(xian)形(xing)(xing)(xing)式,環(huan)(huan)(huan)形(xing)(xing)(xing)天(tian)(tian)線(xian)(xian)周長約為一個(ge)工(gong)(gong)作(zuo)波長;為了降低環(huan)(huan)(huan)形(xing)(xing)(xing)天(tian)(tian)線(xian)(xian)占(zhan)用面積,手機(ji)應用場合(he)都把環(huan)(huan)(huan)形(xing)(xing)(xing)天(tian)(tian)線(xian)(xian)折合(he)成下圖所示形(xing)(xing)(xing)狀,折合(he)后天(tian)(tian)線(xian)(xian)也(ye)稱之(zhi)為折疊(die)偶(ou)極(ji)(ji)子天(tian)(tian)線(xian)(xian) 環(huan)(huan)(huan)形(xing)(xing)(xing)天(tian)(tian)線(xian)(xian)/折疊(die)偶(ou)極(ji)(ji)子天(tian)(tian)線(xian)(xian)可以工(gong)(gong)作(zuo)于 1.5λ, 1λ , 0.5λ 多(duo)(duo)個(ge)頻段(duan),適合(he)手機(ji)多(duo)(duo)頻段(duan)工(gong)(gong)作(zuo)的需要。本(ben)講通過(guo)設計 實例分(fen)析(xi)和講解環(huan)(huan)(huan)形(xing)(xing)(xing)天(tian)(tian)線(xian)(xian)/折疊(die)偶(ou)極(ji)(ji)子天(tian)(tian)線(xian)(xian)的工(gong)(gong)作(zuo)原理,以及(ji)如何(he)產生多(duo)(duo)個(ge)諧振頻率
第十(shi)一講:手機內置FICA天線設計
FICA天(tian)(tian)(tian)線(xian)(xian)(Folded Inverted Conformal Antenna,折疊倒置共(gong)形天(tian)(tian)(tian)線(xian)(xian))是由Motorola天(tian)(tian)(tian)線(xian)(xian)實(shi)驗室(shi)的(de)(de)Carlo. D. Nallo等人(ren)提出的(de)(de)一(yi)種手機內置天(tian)(tian)(tian)線(xian)(xian)結構,這一(yi)講會向大家詳細地介紹FICA的(de)(de)相(xiang)關設計,并從較為直觀的(de)(de)視角(jiao) 來(lai)分析FICA天(tian)(tian)(tian)線(xian)(xian)的(de)(de)工(gong)作原理(li),同時(shi)本講中還會分析兩個手機內置FICA天(tian)(tian)(tian)線(xian)(xian)的(de)(de)實(shi)際設計案例
第十二講:金屬邊框手機天(tian)線設計(ji)
隨著iPhone 4的(de)(de)(de)(de)(de)出現,使(shi)用金屬(shu)邊(bian)(bian)(bian)框(kuang)的(de)(de)(de)(de)(de)手(shou)(shou)機(ji)(ji)越來(lai)越多。對(dui)于(yu)(yu)金屬(shu)邊(bian)(bian)(bian)框(kuang)手(shou)(shou)機(ji)(ji),雖然可以繼續使(shi)用傳統的(de)(de)(de)(de)(de)內(nei)置Monopole天線、PIFA天線、折疊偶極(ji)子天線或(huo)FICA天線;但是,由于(yu)(yu)金屬(shu)邊(bian)(bian)(bian)框(kuang)對(dui) 傳統的(de)(de)(de)(de)(de)手(shou)(shou)機(ji)(ji)天線電磁場輻射產生不(bu)利(li)(li)的(de)(de)(de)(de)(de)影響—使(shi)天線的(de)(de)(de)(de)(de)頻帶變(bian)窄、效率降低。為了(le)避免這(zhe)種(zhong)不(bu)利(li)(li)的(de)(de)(de)(de)(de)影響,iPhone 4的(de)(de)(de)(de)(de)思路是直接把金屬(shu)邊(bian)(bian)(bian)框(kuang)設(she)(she)計成天線的(de)(de)(de)(de)(de)一部分。本講(jiang)我們就(jiu)來(lai)講(jiang)解,對(dui)于(yu)(yu)金屬(shu)邊(bian)(bian)(bian)框(kuang)手(shou)(shou)機(ji)(ji),把金屬(shu)邊(bian)(bian)(bian)框(kuang)設(she)(she)計成天線的(de)(de)(de)(de)(de)一部分的(de)(de)(de)(de)(de)設(she)(she)計原理和設(she)(she)計實現方法;同時這(zhe)一講(jiang)還 會給大家(jia)分析兩(liang)個利(li)(li)用金屬(shu)邊(bian)(bian)(bian)框(kuang)來(lai)設(she)(she)計手(shou)(shou)機(ji)(ji)天線的(de)(de)(de)(de)(de)實際(ji)設(she)(she)計案例
第十(shi)三講(jiang):金屬外殼手(shou)機天線設計
圖示HTC One系列手(shou)(shou)機(ji)和iPhone 6手(shou)(shou)機(ji)都是采用全金(jin)(jin)(jin)屬(shu)背殼,這(zhe)一(yi)(yi)講(jiang)主(zhu)要來(lai)介紹像(xiang)這(zhe)樣(yang)全金(jin)(jin)(jin)屬(shu)后(hou)殼的手(shou)(shou)機(ji),如何設計(ji)其天線(xian)實(shi)現多頻工作(zuo)(zuo)。本講(jiang)會通過一(yi)(yi)個(ge)實(shi)際設計(ji)模型,分析了(le)全金(jin)(jin)(jin)屬(shu)背殼的 開縫寬度和饋電位置對(dui)天線(xian)帶(dai)寬的影(ying)響,并分析一(yi)(yi)個(ge)具(ju)體的金(jin)(jin)(jin)屬(shu)外殼手(shou)(shou)機(ji)天線(xian)設計(ji)實(shi)例,設計(ji)的天線(xian)工作(zuo)(zuo)于GSM850/900/ 1800/1900/WCDMA2100和GPS、 WIFI多個(ge)頻段
第十四講:4G LTE全網通(tong)手機天線的設計和(he)分(fen)段(duan)調(diao)頻
談(tan)到(dao)手(shou)(shou)機(ji)天(tian)線(xian)設(she)(she)計(ji)時(shi),我們(men)不能忽略天(tian)線(xian)匹(pi)配(pei)電(dian)(dian)路(lu)的(de)(de)(de)(de)設(she)(she)計(ji),天(tian)線(xian)本身和匹(pi)配(pei)網(wang)絡一(yi)起(qi)組成完整的(de)(de)(de)(de)手(shou)(shou)機(ji)天(tian)線(xian)系統,傳(chuan)統的(de)(de)(de)(de)手(shou)(shou)機(ji)天(tian)線(xian)設(she)(she)計(ji)是設(she)(she)計(ji)一(yi)副天(tian)線(xian)和唯一(yi)的(de)(de)(de)(de)一(yi)組匹(pi)配(pei)電(dian)(dian)路(lu)一(yi)起(qi)實現多(duo)頻工(gong)作(zuo) 。隨(sui)著手(shou)(shou)機(ji)需要支(zhi)持的(de)(de)(de)(de)頻段越(yue)(yue)來(lai)越(yue)(yue)多(duo),比如現在(zai)的(de)(de)(de)(de)4G全(quan)(quan)網(wang)通(tong)手(shou)(shou)機(ji)需要支(zhi)持多(duo)達5模十七(qi)頻段,而預留給天(tian)線(xian)設(she)(she)計(ji)的(de)(de)(de)(de)空(kong)間又(you)十分有限(xian),單副天(tian)線(xian)本身已經很難設(she)(she)計(ji)達到(dao)這(zhe)么(me)寬的(de)(de)(de)(de)頻段要求 ,解決的(de)(de)(de)(de)辦法之一(yi)就(jiu)是分段調頻技術——設(she)(she)計(ji)多(duo)個(ge)匹(pi)配(pei)電(dian)(dian)路(lu),將(jiang)瞬(shun)時(shi)工(gong)作(zuo)頻率限(xian)制(zhi)為一(yi)個(ge)或兩個(ge)感興趣的(de)(de)(de)(de)頻段,通(tong)過切(qie)換不同的(de)(de)(de)(de)匹(pi)配(pei)電(dian)(dian)路(lu)實現全(quan)(quan)頻段的(de)(de)(de)(de)支(zhi)持。這(zhe)樣,對寬帶工(gong)作(zuo)的(de)(de)(de)(de)要求就(jiu)降(jiang)低(di)了,允許天(tian)線(xian)被裝(zhuang)進更為緊湊的(de)(de)(de)(de)空(kong)間,同時(shi)又(you)不犧牲(sheng)輻射效(xiao)率 。那么(me),本講(jiang)就(jiu)來(lai)給大家(jia)介紹多(duo)頻手(shou)(shou)機(ji)的(de)(de)(de)(de)這(zhe)個(ge)分段調試(shi)技術
第(di)十五講:多(duo)天線設計考量、互(hu)耦(ou)分析(xi)和隔(ge)離度(du)
現(xian)在(zai)(zai)智能手機(ji)集成(cheng)的(de)(de)無線(xian)功(gong)能越(yue)來越(yue)多(duo),這(zhe)就要求手機(ji)內(nei)需(xu)要設(she)計(ji)多(duo)副(fu)天(tian)(tian)(tian)線(xian),多(duo)副(fu)天(tian)(tian)(tian)線(xian)同時存在(zai)(zai)時,就需(xu)要考慮天(tian)(tian)(tian)線(xian)之(zhi)間(jian)的(de)(de)相互(hu)影響(xiang)(xiang)。本(ben)講主要來介(jie)紹如何分(fen)析多(duo)個(ge)(ge)(ge)天(tian)(tian)(tian)線(xian)之(zhi)間(jian)的(de)(de)相互(hu)影響(xiang)(xiang),以(yi)及如何從(cong)設(she)計(ji)的(de)(de)角度來盡(jin)量(liang)降低多(duo)個(ge)(ge)(ge)天(tian)(tian)(tian)線(xian)之(zhi)間(jian)的(de)(de)相互(hu)影響(xiang)(xiang) 。課程(cheng)還通(tong)過實例分(fen)析給出了在(zai)(zai)手機(ji)天(tian)(tian)(tian)線(xian)設(she)計(ji)中降低多(duo)個(ge)(ge)(ge)天(tian)(tian)(tian)線(xian)間(jian)相互(hu)影響(xiang)(xiang)的(de)(de)一種方法
第十六講: 手機天線的研發設計過程簡介
簡單(dan)介紹一下在實(shi)驗室環境下,設計和調試一款手機天線的過程
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