201222607 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及開關，尤其涉及一種三刀三擲（3P3T)開關及 無線通訊裝置。 【先前技術·】 [0002] 隨著無線通訊裝置覆蓋的頻段越來越多，常常需要在通 訊裝置中建立三個或以上的收發路徑，以滿足不同頻段 訊號的收發需求。現有設計中常常採用單刀雙擲（SPDT )開關與雙刀雙擲（DPDT)開關簡單組合以形成三刀三 〇 擲的功能。然而，這樣的組合方式不僅成本高，而且浪 費空間。 [0003] 因此，如何設計一種尺寸較小的三刀三擲開關，成為通 訊裝置設計的一個新課題。 【發明内容】 [0004] 有鑒於此，有必要提供一種三刀三擲開關，具有較小的 尺寸，並可有效的節約成本。 〇 [0005] 此外，還需提供一種無線通訊裝置，可以利用較小尺寸 的三刀三擲開關使尺寸更小，並有效的節約成本。 [0006] 本發明實施方式中的三刀三擲開關，包括同向串聯的第 一二極體、第二二極體、第三二極體、第四二極體、第 五二極體與第六二極體，其中，該第一二極體的陰極與 該第二二極體的陽極的公共結點形成第一公共端，並藉 由第一電感接收第一控制訊號；該第二二極體的陰極與 該第三二極體的陽極的公共結點形成第一擲位端，並藉 099139266 表單編號A0101 第3頁/共15頁 0992068458-0 201222607 由第二電感接收第二控制訊號；該第三二極體的陰極與 該第四二極體的陽極的公共結點形成第二公共端，並藉 由第三電感接收第三控制訊號；該第四二極體的陰極與 該第五二極體的陽極的公共結點形成第二擲位端，並藉 由第四電感接收該第一控制訊號；該第五二極體的陰極 與該第六二極體的陽極的公共結點形成第三公共端，並 藉由第五電感接收該第二控制訊號；該第六二極體的陰 極與該第一二極體的陽極的公共結點形成第三擲位端， 並藉由第六電感接收該第三控制訊號。 [0007] 優選地，該第一電感還藉由第一電容接地以對第一控制 訊號濾波，該第二電感還藉由第二電容接地以對第二控 制訊號濾波，該第三電感還藉由第三電容接地以對第三 控制訊號濾波。 [0008] 本發明實施方式中的無線通訊裝置，包括上述的三刀三 擲開關、天線組與收發模組。天線组包括三個天線，分 別連接於該第一擲位端、該第二擲位端與該第三擲位端 。收發模組，包括三個收發子模組，分別連接於該第一 公共端、該第二公共端與該第三公共端，三個控制子模 組，分別連接於該第一電容與該第四電容、該第二電容 與該第五電容，以及該第三電容與該第六電容，用於藉 由發送控制訊號控制該三刀三擲開關，以在該多個天線 與該多個收發子模組之間選擇訊號的收發路徑。 [0009] 藉由以下對具體實施方式詳細的描述並結合附圖，將可 輕易地了解上述内容及此項發明之技術效果。 【實施方式】 099139266 表單編號 A0101 第 4 頁/共 15 頁 0992068458-0 201222607 [0010] [0011] [0012] ❹ [0013]Ο [0014] 請參閱圖1，所示為本發明中三刀三擲（3Ρ3Τ)開關20 — 實施方式的電路圖。 在本實施方式中，三刀三擲開關20包括同向串聯的第一 二極體D1、第二二極體D2 '第三二極體D3、第四二極體 D4、第五二極體D5與第六二極體D6。 詳而言之，第一二極體D1的陰極與第二二極體D2的陽極 的公共結點形成第一公共端Ρ1，第二二極體D2的陰極與 第三二極體D3的陽極的公共結點形成第一擲位端Τ1，第 三二極體D3的陰極與第四二極體D4的陽極的公共結點形 成第二公共端Ρ2，第四二極體D4的陰極與第五二極體D5 的陽極的公共結點形成第二擲位端Τ2，第五二極體D5的 陰極與第六二極體D6的陽極的公共結點形成第三公共端 Ρ3，第六二極體D6的陰極與第一二極體D1的陽極的公共 結點形成第三擲位端Τ3。 在本實施方式中，三刀三擲開關20還包括依次連接於六 個二極體D卜D6之間公共結點的第一電感L1、第二電感 L2、第三電感L3、第四電感L4、第五電感L5與電感L6。 在本實施方式中*電感L1〜L6可以藉由南電平的控制訊號 ，同時阻斷從二極體D1〜D6所接收的交流訊號。 詳而言之，第一二極體D1的陰極與第二二極體D2的陽極 的公共結點藉由第一電感L1接收第一控制訊號S1，第二 二極體D2的陰極與第三二極體D3的陽極的公共結點藉由 第二電感L2接收第二控制訊號S2，第三二極體D3的陰極 與第四二極體D4的陽極的公共結點藉由第三電感L3接收 099139266 表單編號Α0101 第5頁/共15頁 0992068458-0 201222607 第三控制訊號S3，第四二極體D4的陰極與第五二極體D5 的陽極的公共結點藉由第四電感L 4接收第一控制訊號S1 ，第五二極體D5的陰極與第六二極體D6的陽極的公共結 點藉由第五電感L5接收第二控制訊號S2，第六二極體D6 的陰極與第一二極體D1的陽極的公共結點藉由第六電感 L6接收第三控制訊號S3。 [0015] 在本實施方式中，三刀三擲開關20還包括第一電容C1、 第二電容C2與第三電容C3，用於將電感L卜L3可能洩露 的交流訊號接地，同時可以減緩切換時間。 [0016] 詳而言之，第一電感L1藉由第一電容C1接地以對第一控 制訊號S1濾波，第二電感L2藉由第二電容C2接地以對第 二控制訊號S2濾波，第三電感L3藉由第三電容C3接地以 對第三控制訊號S3濾波。 [0017] 在其他實施方式中，增加如電容或電感組成的電路對三 刀三擲開關20的路徑進行訊號的校正，皆屬於本發明所 保護的範疇。 [0018] 請參閱圖2，所示為本發明三刀三擲開關20—實施方式的 控制訊號真值表。在本實施方式中，第一控制訊號S1、 第二控制訊號S2與第三控制訊號S3同時僅有一端為高電 平，另外二端皆為低電平。 [0019] 當第一控制訊號S1是高電平時，導通第二二極體D2與第 五二極體D5。此時，第一公共端P1與第一擲位端T1相連 接，第三公共端P3與第二擲位端T2相連接。 [0020] 當第二控制訊號S2是高電平時，導通第三二極體D3與第 099139266 表單編號A0101 第6頁/共15頁 0992068458-0 201222607 [0021] [0022] Ο [0023] [0024] Ο [0025] 六二極體D6。此時，第二公共端Ρ2與第一擲位端τΐ相連 接’第三公共端Ρ3與第三擲位端Τ3相連接。 當第三控制訊號S3是高電平時，導通第四二極體D3與第 —二極體D1。此時’第一公共端Ρ1與第三擲位端Τ3相連 接’第二公共端Ρ2與第二擲位端Τ2相連接。 在本實施方式中，三刀三擲開關20藉由六個二極體D1〜D6 實現了三刀三擲的功能’使產品的尺寸更小，有效的節 約了成本，同時還簡化了控制訊號S1〜S3的邏輯。 參閱圖3，所示為本發明無線通訊裝置丨〇〇—實施方式的 模组圖。在本實施方式中，無線通訊裝，置1〇〇包括天線組 !〇、三刀三擲開關20與收發模組3G » 在本實施方式中，天線組10包括三個天線12，分別連接 於第一擲位端T1、第二擲位端T2與第三擲位端T3。在本 實施方式中’天線組10的三個天線12為多頻或寬頻天線 ’使天線組10可覆蓋三個頻段。以寬頻天線為例，天線 組10需要覆蓋2. 3GH?頻段的ΡΠ、2. 3GHz的LTE以及 2. 5GHz的WiMAX。在其他實施方式中，天線組1〇還可覆 蓋其他三個不相臨近的頻段。 收發模組30包括三個控制子模組31與三個收發子模組32 。三個控制子模組31分別連接第一電容C1與第四電容C4 、第二電容C2與第五電容C5，以及第三電容C3與第六電 容C6，用於輸出高電平與低電平的控制訊號81〜83，用於 藉由控制該三刀三擲開關切換20以在多個天線1〇與多個 收發子模組30之間選擇訊號的收發路徑。在本實施方式 099139266 表單編號A0101 第7頁/共15頁 0992068458-0 201222607 中’高電平為1 ’低電平為〇。三個收發子模組32分別連 接於三刀三擲開關2〇的公共端pi〜p3，用於藉由三刀三擲 開關20切換多個天線丨2與該多個收發子模組32之間的訊 號收發路徑。在本實施方式中，無線通訊裝置1〇〇藉由六 個二極體D卜D6實現了三刀三擲的功能，使產品的尺寸更 小’有效的節約了成本，同時還簡化了控制訊號S卜S3的 邏輯。 [0026] [0027] [0028] [0029] [0030] [0031] 參閱圖4，所示為本發明無線通訊裝置另一實施方式 的模組圖。圖4是在圖3的基礎上將收發子模組32分成接 收子模組321與發遂子模組322，並增加3個單刀雙擲開關 40。單刀雙擲開關4〇的公共端分別連接於三刀三擲開關 20的二個公共端ρι~ρ3，第一擲位與第二擲位分別連接於 收發模組30的接收子模組321與發送子模組322，用於將 圖3中的訊號的接收與發送的路徑分開。 综上所述，本發明符合發明專利要件，轰依法提出專利 申請。惟’以上所述者僅為本發，較佳實施方式，舉 π熟悉本•發明精神所作之等 效修飾或變化，皆應包含於以下之申請專利範圍内。 【圖式簡單說明】 圖1是本發明三刀三擲開關一實施方式的電路圖。 圖2是本發明三刀三擲開關-實施方式的控制訊號真值表 〇 圖3是本發明無線通訊裝置一實施方式的模組圖。 圖4是本發明無線通訊裝置另一實施方式的模組圖。 099139266 表單編號A0101 第8頁/共15頁 0992068458-0 201222607 【主要元件符號說明】 [0032] 三刀三擲開關：20 [0033] 公共端：PI、P2、P3 [0034] 擲位端：ΤΙ、T2、T3 [0035] 二極體：Dl、D2 ' D3、D4、D5、D6 [0036] 電感：LI、L2、L3、L4、L5、L6 [0037] 電容：Cl、C2、C3 〇 [〇〇38] 控制訊號：SI、S2、S3 [0039] 天線組：10 [0040] 天線：12 [0041] 收發模組：30 [0042] 控制子模組：31 [0043] 收發子模組：32 Ο [0044] 單刀雙擲開關：40 099139266 表單編號A0101 第9頁/共15頁 0992068458-0201222607 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a switch, and more particularly to a three-pole three-throw (3P3T) switch and a wireless communication device. [Prior Art·] [0002] As more and more frequency bands are covered by wireless communication devices, it is often necessary to establish three or more transmission and reception paths in the communication device to meet the transmission and reception requirements of signals in different frequency bands. In the current design, a single-pole double-throw (SPDT) switch and a double-pole double-throw (DPDT) switch are often combined to form a three-pole, three-throw, and throw function. However, such a combination is not only costly but also wastes space. [0003] Therefore, how to design a three-pole three-throw switch with a small size has become a new topic in the design of communication devices. SUMMARY OF THE INVENTION [0004] In view of the above, it is necessary to provide a three-pole, three-throw switch that has a small size and is cost effective. 〇 [0005] In addition, there is a need to provide a wireless communication device that can take advantage of a smaller three-pole, three-throw switch to achieve a smaller size and cost savings. [0006] The three-pole three-throw switch in the embodiment of the present invention includes a first diode, a second diode, a third diode, a fourth diode, and a fifth diode in the same direction. a sixth diode, wherein a common node of the cathode of the first diode and the anode of the second diode forms a first common end, and receives a first control signal by the first inductor; the second The common junction of the cathode of the diode and the anode of the third diode forms a first throw end, and the second control is received by the second inductor by 099139266 Form No. A0101 Page 3 / Total 15 Page 0992068458-0 201222607 a common signal forming a second common end of the cathode of the third diode and the anode of the fourth diode, and receiving a third control signal by the third inductor; a cathode of the fourth diode a common node of the anode of the fifth diode forms a second throwing end, and receives the first control signal by a fourth inductor; a cathode of the fifth diode and an anode of the sixth diode The common node forms a third common end, and receives the second control signal by the fifth inductor; A sixth diode cathode electrode terminal forming third terminal and the common junction of the anode of the first diode and the inductance of the third received by a sixth control signal. [0007] Preferably, the first inductor is further grounded by the first capacitor to filter the first control signal, and the second inductor is also grounded by the second capacitor to filter the second control signal, and the third inductor further The third capacitor is grounded to filter the third control signal. The wireless communication device in the embodiment of the present invention includes the above-mentioned three-pole three-throw switch, an antenna group and a transceiver module. The antenna group includes three antennas connected to the first throwing end, the second throwing end and the third throwing end, respectively. The transceiver module includes three transceiver submodules respectively connected to the first common end, the second common end and the third common end, and three control submodules respectively connected to the first capacitor and the first a fourth capacitor, the second capacitor and the fifth capacitor, and the third capacitor and the sixth capacitor are configured to control the three-pole-three-throw switch by transmitting a control signal to transmit and receive the plurality of antennas The transmission and reception path of the signal is selected between the sub-modules. The above and the technical effects of the invention will be readily understood by the following detailed description of the embodiments and the accompanying drawings. [Embodiment] 099139266 Form No. A0101 Page 4 of 15 0992068458-0 201222607 [0011] [0012] [0013] Please refer to FIG. 1, which is a three-knife three in the present invention. Throw (3 Ρ 3 Τ) switch 20 - circuit diagram of an embodiment. In the present embodiment, the three-pole three-throw switch 20 includes a first diode D1, a second diode D2 'the third diode D3, a fourth diode D4, and a fifth diode in the same direction. D5 and sixth diode D6. In detail, the common junction of the cathode of the first diode D1 and the anode of the second diode D2 forms a first common terminal Ρ1, a cathode of the second diode D2 and an anode of the third diode D3 The common node forms a first throw terminal Τ1, the common node of the cathode of the third diode D3 and the anode of the fourth diode D4 forms a second common terminal Ρ2, and the cathode and the fourth electrode of the fourth diode D4 The common node of the anode of the fifth diode D5 forms a second throwing end Τ2, and the common junction of the cathode of the fifth diode D5 and the anode of the sixth diode D6 forms a third common end Ρ3, the sixth two The common junction of the cathode of the pole body D6 and the anode of the first diode D1 forms a third throw terminal Τ3. In the present embodiment, the three-pole three-throw switch 20 further includes a first inductor L1, a second inductor L2, a third inductor L3, and a fourth inductor L4 that are sequentially connected to a common node between the six diodes Db and D6. The fifth inductor L5 and the inductor L6. In the present embodiment, the *inductors L1 to L6 can block the alternating current signals received from the diodes D1 to D6 by the south level control signal. In detail, the common node of the cathode of the first diode D1 and the anode of the second diode D2 receives the first control signal S1 by the first inductor L1, and the cathode and the third of the second diode D2. The common node of the anode of the diode D3 receives the second control signal S2 through the second inductor L2, and the common node of the cathode of the third diode D3 and the anode of the fourth diode D4 is passed through the third inductor L3. Receive 099139266 Form No. 1010101 Page 5 / Total 15 Page 0992068458-0 201222607 The third control signal S3, the common junction of the cathode of the fourth diode D4 and the anode of the fifth diode D5 by the fourth inductance L 4 Receiving the first control signal S1, the common node of the cathode of the fifth diode D5 and the anode of the sixth diode D6 receives the second control signal S2 through the fifth inductor L5, and the cathode of the sixth diode D6 The common node of the anode of the first diode D1 receives the third control signal S3 via the sixth inductor L6. [0015] In the present embodiment, the three-pole three-throw switch 20 further includes a first capacitor C1, a second capacitor C2, and a third capacitor C3 for grounding the AC signal that may leak the inductor Lb, and can slow down the switching. time. [0016] In detail, the first inductor L1 is grounded by the first capacitor C1 to filter the first control signal S1, and the second inductor L2 is grounded by the second capacitor C2 to filter the second control signal S2, and the third The inductor L3 is grounded by the third capacitor C3 to filter the third control signal S3. [0017] In other embodiments, adding a circuit such as a capacitor or an inductor to correct the path of the three-pole, three-throw switch 20 is within the scope of the present invention. Referring to FIG. 2, there is shown a control signal truth value table of the three-pole three-throw switch 20 of the present invention. In this embodiment, the first control signal S1, the second control signal S2, and the third control signal S3 have only one end at a high level, and the other two ends are at a low level. [0019] When the first control signal S1 is at a high level, the second diode D2 and the fifth diode D5 are turned on. At this time, the first common terminal P1 is connected to the first throwing terminal T1, and the third common terminal P3 is connected to the second throwing terminal T2. [0020] When the second control signal S2 is high level, the third diode D3 is turned on and the 099139266 form number A0101 is 6 pages/15 pages 0992068458-0 201222607 [0021] [0022] [0023] [0024] ] Ο [0025] Six-diode D6. At this time, the second common terminal Ρ2 is connected to the first throwing terminal τΐ, and the third common terminal Ρ3 is connected to the third throwing terminal Τ3. When the third control signal S3 is at a high level, the fourth diode D3 and the second diode D1 are turned on. At this time, the 'first common terminal Ρ1 is connected to the third throwing terminal Τ3', and the second common terminal Ρ2 is connected to the second throwing terminal Τ2. In the present embodiment, the three-pole three-throw switch 20 realizes a three-pole three-throw function by six diodes D1 to D6', which makes the product smaller in size, effectively saves cost, and simplifies the control signal. The logic of S1~S3. Referring to Figure 3, there is shown a block diagram of a wireless communication device in accordance with the present invention. In the present embodiment, the wireless communication device includes an antenna group, a three-pole three-throw switch 20, and a transceiver module 3G. In the present embodiment, the antenna group 10 includes three antennas 12, which are respectively connected to The first throwing end T1, the second throwing end T2 and the third throwing end T3. In the present embodiment, 'the three antennas 12 of the antenna group 10 are multi-frequency or wide-band antennas', so that the antenna group 10 can cover three frequency bands. Taking a wideband antenna as an example, the antenna group 10 needs to cover 22. 3 GHz band ΡΠ, 2.3 GHz LTE, and 2. 5 GHz WiMAX. In other embodiments, the antenna group 1〇 can also cover the other three adjacent frequency bands. The transceiver module 30 includes three control sub-modules 31 and three transceiver sub-modules 32. The three control sub-modules 31 are respectively connected to the first capacitor C1 and the fourth capacitor C4, the second capacitor C2 and the fifth capacitor C5, and the third capacitor C3 and the sixth capacitor C6 for outputting a high level and a low level. The control signals 81 to 83 are used to control the three-pole-three-throw switch switch 20 to select a transmission path of the signal between the plurality of antennas 1 and the plurality of transceiver sub-modules 30. In the present embodiment, 099139266 Form No. A0101 Page 7 of 15 0992068458-0 201222607 Medium 'High level is 1 ' Low level is 〇. The three transceiver sub-modules 32 are respectively connected to the common ends pi lp3 of the three-pole three-throw switch 2〇 for switching the plurality of antennas 丨2 and the plurality of transceiver sub-modules 32 by the three-pole three-throw switch 20 Signal transmission and reception path between. In the present embodiment, the wireless communication device 1 implements a three-pole, three-throw function by six diodes D and D6, so that the size of the product is smaller, which effectively saves cost and simplifies the control signal. S Bu S3 logic. [0027] [0030] Referring to FIG. 4, a block diagram of another embodiment of a wireless communication device of the present invention is shown. 4 is a schematic diagram of the transceiver sub-module 32 divided into a receiving sub-module 321 and a dice sub-module 322, and three single-pole double-throw switches 40 are added. The common ends of the single-pole double-throw switch 4〇 are respectively connected to the two common ends ρι~ρ3 of the three-pole-three-throw switch 20, and the first throwing position and the second throwing position are respectively connected to the receiving sub-module 321 of the transceiver module 30 and The transmitting submodule 322 is configured to separate the reception of the signal in FIG. 3 from the path of the transmission. In summary, the present invention complies with the requirements of the invention patent, and makes a patent application in accordance with the law. However, the above-mentioned ones are only the present invention, and the preferred embodiments, and equivalent modifications or variations made by the spirit of the invention, are included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a circuit diagram showing an embodiment of a three-pole-three-throw switch according to the present invention. 2 is a control signal truth value table of the three-pole three-throw switch of the present invention - FIG. 3 is a block diagram of an embodiment of the wireless communication device of the present invention. 4 is a block diagram of another embodiment of a wireless communication device of the present invention. 099139266 Form No. A0101 Page 8 of 15 0992068458-0 201222607 [Description of main component symbols] [0032] Three-pole three-throw switch: 20 [0033] Common: PI, P2, P3 [0034] Throwing end: ΤΙ , T2, T3 [0035] Diode: Dl, D2 ' D3, D4, D5, D6 [0036] Inductance: LI, L2, L3, L4, L5, L6 [0037] Capacitance: Cl, C2, C3 〇 [ 〇〇38] Control signals: SI, S2, S3 [0039] Antenna group: 10 [0040] Antenna: 12 [0041] Transceiver module: 30 [0042] Control sub-module: 31 [0043] Transceiver sub-module: 32 Ο [0044] Single pole double throw switch: 40 099139266 Form number A0101 Page 9 / Total 15 page 0992068458-0