TWI361523B - Noise canceling differential connector and footprint - Google Patents
Noise canceling differential connector and footprint Download PDFInfo
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- TWI361523B TWI361523B TW094142410A TW94142410A TWI361523B TW I361523 B TWI361523 B TW I361523B TW 094142410 A TW094142410 A TW 094142410A TW 94142410 A TW94142410 A TW 94142410A TW I361523 B TWI361523 B TW I361523B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
1361523 九、發明說明: 【發明所屬之技術領域】 本發明關於-種具有接點配置為差動對之電 接器。 【先前技術】 目前存在各種連接H以用於差動對應用t。於差動 對應用中,信號一分為二(每—半為另一半之倒轉),且 ,-半透過分離資料線傳送至連接器之配對介面。電氣 ^接器之配對介面可具有複數個接點,且於差動 ^該齡-般配置為絲對。接 =由於由附近差動對接點所建立之‘ t恶樣。電子業界已經提出各種解決方 質。/飞連接㈣良該g己對介面處之差動信號品 來自包含配置接地屏蔽於該連接器十,以降低 對該頂蓋與=;=上之_干擾。當配 相嵌合前接觸。ίϊ:時接地屏蔽於該信號接點互 被接收之電疋連接器中,該接受室之形狀匹配 此形狀,以降低期間之空氣間隙,因 供應接地屏蔽與平面文 方法以降低差動卞:㈣連接益配置中提供-種 地屏蔽增加該連接哭u。然而’增加許多接 蓋區或大小可能?;=。再者,該電氣連接器之覆 外,隨著該資料率辦f與屏蔽之增加而增加。此 低該EMF干擾4。羊增加’該電氣連接器可能需要更加降 5 ⑧ 遠梃2而Γ存在降低用於高速資料連線令之差動對 逆接窃之串音/雜訊之需求。 【發明内容】 之扭i發明係關於—種電氣連接器,包含具有配對介面 ^ 。接點提供於該殼體中,且配置為差動對,每— 動射之接點沿著相關差動對接觸線置放。相鄰該 差動對之差動對接觸線非互相平行。 【實施方式】 μ第了圖例不根據本發明之具體實施例所形成之電 氣:接,之接點圖案10。該接點圖案1〇調整方位以降 氏4電氣連接$中之電鍍通孔之串音/雜訊。接點圖案 =顯示四個接點12、14、16與18,其可包含於電氣連 接益之殼體之配對介面中。第—圖係配置互相呈直角之 差動對20與差動對22。該差動對2〇包含配置以播帶差 動信號「Α」之接點12、14。該差動信號「Α」係由「α+」 組件(接點12)與「Α·」組件(接.點U)組成,每一組件係 另且件轉。同樣地,該差動對22包含配置以攜 帶差動W B」之接點16、18。該差動信號%係 由「B+」組件(接點16)盘「 έ ’、
一组件係另-組件之倒轅組成’每 „ 倒轉。該差動對20之接點12、M 配置與該差動對22之接點16、18呈直角。. 該差動對20、22夕& = a j· # 之位置互相相鄰,並以箭頭Α之 方圖所示°接觸線24藉由透過該 接匕.时二Γ —線加以定義。同樣地,另—接觸線 26彳透=接點16、18加以繪製。該接點12、14互相 分離:ί立:二等分軸28之相對側上。該接點16、Μ 互相分’、位於二等分轴3〇之相對側上。該接觸線 1361523 24具有與該接觸線26不同之方位。 該二等分轴28之方向垂直該接觸線24,並與該接 觸線26 —致。由於該接點16、18沿著垂直於該接觸線 24之二等分之接觸線26平放,該接點16離該接點12、 14等距離,同樣地,該接點18離滅接點12與14等距 離。該二等分軸30垂直該接觸線26。配置該差動對20、 22,使得其對應接觸線24、26互相垂直,且接觸線(例 如26)覆蓋於另一接觸線(例如24)之垂直二等分上。 於操作中,透過該差動對20、22傳送之差動信號 形成EMF。該接點16存在於由該接點12所產生之電磁 場(EMF+)32中。該接點16亦存在於由該接點14所產 生之電磁場(EMF-)34中。由於該接點12、14以相等與 相反(倒轉)信號形成該差動對20,且由於該接點16離該 接點12、14等距離,該EMF 32於該接點16處消除該 EMF 34。該EMF 32與該EMF 34於該接點16處之淨效 果為零。同樣地,該EMF 32與該EMF 34於該接點18 處之淨效果為零。由於由該接點12與14所產生之EMF 32、34,在該接點16處所產生之串音/雜訊以於該接點 16處所攜帶之信號組件為零上之淨效果自我消除。在第 一圖之具體實施例中,該接點12、14、16與18例示為 針形接點。可選擇地,該接點之形狀可為針之外之其他 形狀,例如「X」、刃片、接觸墊、十字、星形等等。 第二圖例示第一圖結合至共同模式差動接收器39 之接點圖案10。於操作中,該接點16於該接點12處產 生EMF 36且於該接點14處產生EMF 38。該接點16離 該接點12、14等距離,且因此該接點12之耦合由於EMF 36而相等,且與該接點14之耦合由於EMF 38而一致。 7 13615,23 該差動接收器39放大於該接點12與14處所碑嫌 信號之差異。由於該接點12處與於該接點14二” 之EMF能量由於該接點16而相等且—致,^ 亦相等,且因此藉由該差動接收器39加以消‘二;‘ 動接收器39比較於其輸入處所接收之信號 ^ 表其間之差異之信號。拒絕該差動接收器39之^輸入 線所共用之信號組件,且不從此輸出。由該差動接收界 39為差動對20之共同模式(相等且一致能量)偵測消^ 來自每一該接點12、14之相等且一致信號組件僅放 大該信號組件「A+」與「A-」之差異,例如[「A+ + 雜訊]-[「A-」+雜訊]=2A。於該差動接收器處來自^ 16之串音/雜訊(EMF效果)之「Α」之淨效果為裳。 第三圖例示根據另一具體實施例所形成之刀片接 點322、324、326與328之覆蓋區300。該接點324與 326配置於列302、304與行306、308中。放大_組^ 個鄰近物310,以顯示差動對314、316、318與3^0。 該四個鄰近物310之相鄰差動對互相排列呈直角。於令 範例中,該差動對314與該差動對316與320呈直角。 該差動對316與該差動對314、318呈直角。該差動對 318與該差動對316、320呈直角。該差動對32〇與該差 動對314、318呈直角。 ^ 第三圖之接點322-328於該配對介面處包含刀片, 該刃片具有高度(縱方向)與寬度(橫方向),該高度大於言亥 寬度。差動對之刃片以平行於相關(相鄰)差動對接觸^ (例如該差動對322之接觸線329)延伸之橫方向為方 位。於第三圖中,任何兩相鄰差動對(未位於對角線上, 但彼此位於列或行中)具有互相垂直之接觸、線。 ⑧ 1361523 於操作中’第三圖中所示之覆蓋區300之唯—乡士構 依賴差動信號之對稱屬性,以降低電氣連接器或傳^線 中之雜訊。該覆蓋區300交替相鄰差動對之方位,使得 差動對位於對著相鄰差動對之直角方向。於第三圖之範 例中’不包含接地接點。 第四圖例示覆蓋區4〇〇中四個鄰近物之另一具體實 施例。接地接點402相對該覆蓋區400之四個相鄰且呈 直角之差動對404、406、408與410位於中心。該接地 接點402於中心置放於延伸於該差動對404、408間之 對角線軸412與延伸於該差動對4〇6與41〇間之對角線 轴414之父叉處。第四圖所示之接地接點402係十字 形,但可為星形、針形等等。 該接地接點402沿著該對角線軸412、414消除串 音。该差動對408上之差動對404與該差動對404上之 差動對408之EMF效果藉由該接地接點402消除。同 樣地,该差動對41〇上之差動對4〇6與該差動對406上 之差動對410之EMF效果藉由該接地接點402消除。 相鄰差動對’例如404與406、406與408、408與410、 及410與404之直角方位消除相鄰差動對間之EMF效 果。 第五圖例示根據本發明之具體實施例所形成之接 點之差動對之模組覆蓋區500之頂視圖。第五圖所示之 差動對506作為一對針形接點508、512。接觸線510例 接點508、512之間。梯狀外形5〇2定義該模組覆 蓋區500之模組群其中之一,且跟隨該列之差動對之列 配置之外形。 貫體楱組(亦稱為chicklet模組)可具有該梯狀外形 9 ⑧ 13615,23 504之外形形狀’隨該列之差動對5〇6之列配置。模组 5〇1至5〇3安裝且塑形以互連方式滑入該電氣連接器殼 體中。於另-具體實施例中,言亥模組5〇1_5〇3之形狀可 能不隨該差動對之配置,但可為某種其他形狀 滑芈&彬北。
本發明之㈣實關之應用範例包含用於後板/子 卡連接器之板連接器、夾層型連接器、及1/〇型連接哭。 存在於此類連接ϋ之覆蓋區中之串音/雜訊可能如同每 秒鐘2或30¼位元(Gps)之資料率之1%般低。 第六圖例示含有包含上述接點圖案1〇於介面 處之多重模組602、604、606與608之電氣連接器6〇〇 之立體圖。配置於該接點圖案1〇中之接點刀片^差 對之列612吻合該模組6〇2之托座之接點圖案1〇 同樣地’配置於該接點圖案10中之連接U 614 吻合模組604之托座中,連接器刃片之列616吻合模组 ⑹6之托座中’及連接器刃片之列618吻合模組、之 托座中。
於具體實施例中,上述接點配置可包含於美 6,461,202號專利中所描述之型態之連接器組合中⑥ ,整體併人參照。於另-具體實施例中,該接點配^ 包含於美國第6,682,368號專利中所描述之型態之 器組合中,其標的整體併入參照。 一 钱 10 13615,23 【圖式簡單說明】 本發明參照附圖藉由範例加以描述,其中: 第一圖係根據本發明之具體實施例所形成之電氣 連接器之接點圖案之頂視圖。 第二圖係第一圖結合至共同模式差動接收器之接 點圖案之頂視圖。 第三圖係例示根據本發明之具體實施例之電氣連 接器接點之列與行之刃片接點圖案之頂視圖。 第四圖係根據本發明之具體實施例所形成利用接 點接地之接點圖案之頂視圖。 第五圖係根據本發明之具體實施例所形成之差動 對接點之模組群之頂視圖。 第六圖係根據本發明之具體實施例具有接點圖案 之連接器之立體圖。 【主要元件符號說明】 10 接點圖案 12 接點 14 接點 16 接點 18 接點 20 差動對 22 差動對 24 接觸線 26 接觸線 320 差動對 322 接點
11 1361523 324 接點 326 接點 328 接點 329 接觸線
Claims (1)
- 丄允1523 申請專利範S·· _咖__ 種電氣連接器,包含具有配對介面之殼體,及 於該殼體^且配置為差動對(2〇、22)之接點(12、14了 治,〇18)每一戎差動對中之接點沿著相關差動對接觸 :,4 26)置放,相鄰該差動對之差動對接觸線非互 相平行,其特徵在於: 产之於縱方向中具有高度及於橫方向中具有寬 配對”面處包含刃片(322、324、326、328),該 該寬度,其中相鄰該差動對之刀片以互相垂 2. 第1項所述之電氣連接器,其中該相 之差動對接觸線互相垂直。 片(32^範園/1項所述之電氣連接器,其中該刀 為方位。〃目關差動_接觸線(329)延伸之橫方向 3. 1361523 • * . 101年2月3曰修正替換頁 八、圖式:第一圖1/31361523 101年2月3曰修正4換^ 300 310 302 304、户 n i l 3 丨14 322、彳A J 306 308 Α· • > / \B+ 326 、、 320 .--/ Γ 318 Β/ 316 C+〉,328 C· 329 第三圖 L 2 — O、 —·; 402 / 404 …v Y( ' hi :Y- \ s \J: ··· 410 ··· ···' —* V Vw; ·-·· \·· 408 / 、406 c 4, \ (C、 '400 第四圖 2/3 s 1361523 . * 101年2月3日修正替換頁3/3
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US11/002,379 US7207807B2 (en) | 2004-12-02 | 2004-12-02 | Noise canceling differential connector and footprint |
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TW200635148A TW200635148A (en) | 2006-10-01 |
TWI361523B true TWI361523B (en) | 2012-04-01 |
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US (1) | US7207807B2 (zh) |
CN (1) | CN1815817A (zh) |
DE (1) | DE102005057905B4 (zh) |
TW (1) | TWI361523B (zh) |
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2004
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- 2005-12-02 CN CN200510137376.8A patent/CN1815817A/zh active Pending
- 2005-12-02 TW TW094142410A patent/TWI361523B/zh active
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TW200635148A (en) | 2006-10-01 |
CN1815817A (zh) | 2006-08-09 |
US7207807B2 (en) | 2007-04-24 |
DE102005057905A1 (de) | 2006-06-08 |
US20060121749A1 (en) | 2006-06-08 |
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