TW200410507A - RF front-end for dual-band wireless transceiver module - Google Patents

RF front-end for dual-band wireless transceiver module Download PDF

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Publication number
TW200410507A
TW200410507A TW092108865A TW92108865A TW200410507A TW 200410507 A TW200410507 A TW 200410507A TW 092108865 A TW092108865 A TW 092108865A TW 92108865 A TW92108865 A TW 92108865A TW 200410507 A TW200410507 A TW 200410507A
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TW
Taiwan
Prior art keywords
dual
double
path
paths
end circuit
Prior art date
Application number
TW092108865A
Other languages
Chinese (zh)
Inventor
Ziming He
Ping Peng
Nopakorn Hiranrat
Yin Qian
Fusheng Chen
Original Assignee
Hon Hai Prec Ind Co Ltd
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Priority claimed from US10/318,249 external-priority patent/US20040204037A1/en
Application filed by Hon Hai Prec Ind Co Ltd filed Critical Hon Hai Prec Ind Co Ltd
Publication of TW200410507A publication Critical patent/TW200410507A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

A radio frequency (RF) front-end employed in a dual-mode transceiver module connects a first and a second dual-band antennas, and includes a first and a second signal receiving paths for receiving RF signals in two different frequency bands, a first and second signal transmitting paths for transmitting RF signals in the two different frequency bands, and a switch unit connecting the first and second dual-band antennas with the first and second signal transmitting and receiving paths. The switch unit includes a double pole double throw (DPDT) switch and two single pole double throw (DPDT) switches. The switch unit performs an antenna selection function for both the first and second transmitting paths and the first and second receiving paths.

Description

200410507 五、發明說明（l) 【發明所屬之技術領域】 本發明係關於一種射頻前端電路，尤指一種用於雙頻 無線收發機模組中之射頻前端電路。 【先前技術】 按，愈來愈多之雙模無線通信產品，如雙模行動電話 、雙模無線區域網卡（Wireless Local Area Network Cards，WLAN Cards)及無線區域網接入點（Wireless200410507 V. Description of the invention (l) [Technical field to which the invention belongs] The present invention relates to a radio frequency front-end circuit, especially a radio frequency front-end circuit used in a dual-frequency wireless transceiver module. [Previous technology] Press, more and more dual-mode wireless communication products, such as dual-mode mobile phones, dual-mode wireless local area network cards (WLAN Cards), and wireless area network access points (Wireless

Local Area Network Access 進入斧線通彳§產品市場。Local Area Network Access enters the ax line product market.

I 射頻前端電路之設計係無 難點所在。射頻前端電路設計 集功能。對於收發機來說，由 強很多，因而相較於發射機， 為重要，故多數設計僅包括接 射機之天線分集。接收機之天 到更為優質之接收訊说。由於 ’因而發射路徑之插入損耗將 常將發射路徑直接與天線相連 發射路徑中設置天線分集 克服操作環境之影響。然而於 需要在發射路徑中增加更多之 會增加發射路徑之插入損耗。 【内容】There is no difficulty in the design of the RF front-end circuit. RF front-end circuit design Set functions. For the transceiver, it is much stronger, so it is more important than the transmitter, so most designs only include the antenna diversity of the transmitter. Receiver days to better reception. Because of this, the insertion loss of the transmission path will often connect the transmission path directly to the antenna. Antenna diversity is set in the transmission path to overcome the influence of the operating environment. However, the need to add more to the transmission path will increase the insertion loss of the transmission path. 【content】

Points， WLAN AP )等開始 線收發機模組設計之關鍵及 之目的在於提供天線選擇分 於發射.訊號通常較接收訊號 天線之分集於接收機顯得更 收機之天線分集，而沒有發 線分集可使收發機模組接收 發射機沒有天線分集之功能 ，小，然而，這樣的設計適 攸而將導致阻抗匹配困難。 功忐可改善發射訊號質量以 =射機中增加天線分集功能 空制元件，而這些控制元件Points, WLAN AP, etc. The key and purpose of starting the transceiver module design is to provide antenna selection and transmit. Signals are usually more antenna-intensive than receiver-signal antenna-diversity at the receiver, but no line-diversity. The transceiver module can be used to receive the transmitter without the antenna diversity function, which is small. However, such a design is suitable and it will cause impedance matching difficulties. The function can improve the quality of the transmitted signal to increase the antenna diversity function in the transmitter.

本發明之目的在於提供一種用於雙模無線收發機模組 200410507 五、發明說明（2) 中，亚具有收發天線分集功能之射頻 本發明射頻前端電路係用於雙模收^電路。 括第一、第二雙頻天緩、用以接收兩:固;機模組之中，包 -、第二接收路徑、用以發射兩個：问頻段訊號之第 分集功能，因而可提高發射訊號質量 !徑及第-、第二發射路第-、第：接收 早兀包括雙刀雙擲開關及_對單刀雔擲兀。其中，開關 、第二接收路徑及第〜、第二發射u關用以實現第一 與先前技術相比，本發明利用天，分集功能。 二接收路徑天線分集同時實現Μ 一 二早70貫現第—、第 '· 、弟一、第二發射路徑之天線 僅設有兩級開關元件，故可有效降H，所述開關單元 ，且引入發射路徑之插入損耗报- 路徑的插入損耗 【實施方式】 、請參閱第一圖及第二圖所示，8(]? 域網（WLAN )收發機模組包彳· a b雙模無線區 射頻部份包括-一對第—、第 = = 基頻部份。所述 端電路30及射頻積體電路2〇。 = a、4〇b、射頻前 電路1 0、射頻接口電路（未 a σ卩份包括基頻積體 6⑽之接〇電路（未圖示）未及與筆記型計算機相連 射頻積體電路20與基頻藉邮 習知技術802.lla/b晶片實电路1〇_之電性耗合可藉由 第一、第二雙頻天_a、4^作頻段為2 4_“邮 200410507 五、發明說明（3) Τ天及:4广5·82 5GHz。射頻積體電路30藉由第-、第-雔 j天、'泉40a、40b及射頻前端電路3〇接收/發射 弟=又 两端電路30包括開關31—33、據波器i。、二赶身二員 =2 04、功率放大器3〇1、3〇2及邏輯控制單丄ί 其中义開關3"3控制第一、第二雙頻天線4〇a、= 3^ 及散射與接收之切換。邏輯控制單元34_36控 刀= 及功率放大器301、302之開/關狀態。 】開關31-33 開關3 1係雙刀雙擲開關，包括分第 =、：相連之管腳6、4及分不與開以 =腳12、14。開關32、33係單刀雙擲開關，其中 與開關31之管腳u相連用以選擇由不平衡變壓器 ί放t器t〇1及濾波器103組成之第一頻段發射路徑或由"力不 =衡變壓器201及濾波器1〇1組成之第一頻段接收路秤。 關33與開關31之管腳14相連用以選擇由不平衡變壓哭汗 、功率放大器302及濾波器1〇4組成之第二頻段發射 由不平衡變壓器2 0 2及濾波器102組成之第二頻段接收 。所述第一頻段可為2· 4-2· 48 3 5GHz，第二頻段可為5 5.8 2 5GHz，反之亦可。所述濾波器1〇1、1〇2係帶通、· ，濾波器103、104係低通濾波器。. 輸入第一、第二雙頻天線40a、40b之接收訊號包括訊 !ffl RX/Y —2j835GHZ)及訊號f2RX(5^-5.8 2 5GHz )，亚由弟一、弟二雙頻天線40a、40b舆開關31—33配合 選擇。訊號fl Rx (2·4-2.48 35GHz )經由帶通濾波器“^ 渡波、通過不平衡變壓器2 〇 1輸入射頻積體電路2 二The purpose of the present invention is to provide a dual-mode wireless transceiver module. 200410507 V. In the description of the invention (2), the sub-radio with the function of transmitting and receiving antenna diversity The radio frequency front-end circuit of the present invention is used for a dual-mode receiving circuit. Including the first and second dual-frequency antennas, which are used to receive two: fixed; in the module, the package-, the second receiving path, used to transmit two: the first diversity function of the interrogation band signal, which can improve the transmission Signal quality! The first and second transmitting paths are the first and the second-and the first: the receiving early includes the double-pole double-throw switch and the _ pair of single-pole throw. Among them, the switch, the second receiving path, and the first and second transmitting channels are used to implement the first. Compared with the prior art, the present invention uses the diversity function. The antenna diversity of the two receiving paths simultaneously realizes the first, the first, the first, the second, and the second transmitting paths of the antenna. The antennas of the second transmitting path are only provided with two-stage switching elements, which can effectively reduce H. The switching unit, and Insertion loss report for the introduction of the transmission path-Insertion loss of the path [Embodiment], please refer to the first and second figures, 8 (]? Area Network (WLAN) Transceiver Module Package ab · ab dual-mode wireless zone The radio frequency part includes-a pair of first, first = = fundamental frequency part. The end circuit 30 and radio frequency integrated circuit 20. = a, 4 0b, radio frequency front circuit 10, radio frequency interface circuit (not a The σ component includes the circuit of the baseband integrated circuit 6 (not shown) and the RF integrated circuit 20 connected to the notebook computer and the baseband borrowing technology 802.lla / b chip real circuit 1_ Electrical power consumption can be achieved through the first and second dual-frequency days _a, 4 ^ operating frequency band is 2 4_ "Post 200410507 V. Description of the invention (3) T days and: 4 wide 5.82 5GHz. RF integrated circuit 30 through the first-, -th day, 'Spring 40a, 40b and RF front-end circuit 30 receiving / transmitting brother = and both ends of the circuit 30 includes switches 31-33, according to Wave device i., Two drivers = two 04, power amplifiers 301, 302, and logic control unit 其中 The meaning switch 3 " 3 controls the first and second dual-band antennas 40a, = 3 ^ And the switch between scattering and receiving. The logic control unit 34_36 controls the knife = and the on / off state of the power amplifiers 301 and 302.] Switch 31-33 Switch 3 1 is a double-pole double-throw switch, including the branch = ,: connected Pins 6 and 4 are not connected with pins = 12, 14. Switches 32 and 33 are single-pole double-throw switches. Among them, the pin u connected to switch 31 is used to select the unloaded transformer t〇1. The first frequency band transmission path consisting of the filter 103 and the filter 103 or the first frequency band receiving circuit scale consisting of the < balance transformer 201 and the filter 101. The off 33 is connected to the pin 14 of the switch 31 to select The transmission of the second frequency band composed of the unbalanced transformer, the power amplifier 302 and the filter 104 is received by the second frequency band composed of the unbalanced transformer 202 and the filter 102. The first frequency band may be 2.4 -2 · 48 3 5GHz, the second frequency band may be 5 5.8 2 5GHz, and vice versa. The filter 101, 102 is bandpass, ·, filtering 103 and 104 series low-pass filters. The received signals input to the first and second dual-band antennas 40a and 40b include the signal! Ffl RX / Y-2j835GHZ) and signal f2RX (5 ^ -5.8 2 5GHz). 1. The dual-band dual-band antennas 40a and 40b are matched with the switches 31-33. The signal fl Rx (2.4-2.48 35GHz) passes through the band-pass filter "^ crossing waves, and passes through the unbalanced transformer 2 〇1 into the RF integrated circuit 2 two

^ 5tL^ 5tL

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200410507200410507

第9頁 200410507 五、發明說明（5) 間内，確保只有第一、第二發射路徑或者第一、二 路徑處於閉合之狀態，以實現第一、第— a射 ^ 弟〜接收路徑與第— 、弟二發射路徑有效之隔離。 第二邏輯控制單兀36係由基頻積體電路1〇產生之 控制訊號（PA — PWR —Control )、頻段控制訊號 年 (BAND —Control )及收發控制訊號（Τχ p :制。若功率放大_導通，則功率放大χ器 功率放大器30 2導通，則功率放大器3〇1開路。在二 内，只有一個功率放大器導通，佶Α ” 丁间 η人便具所在之發射路徑處於 閉合之狀恶，而另一發射路徑則處於開路之狀 於 80 2· 11 a/b雙模無線區域網模組發射訊' 制訊號（Tx —Rx —Contr〇1 )控制門問q ^ ^ 制開關3 2、3 3以實現發鉍w 徑之開/合，而邏輯控制單元3 6則 ^ ^路 大器3 0 1、3 0 2之開/合。 、心為之控制功率放 8 0 2 · 11 a / b雙模無線區域铜禮 ^ ^ ^ ^ 飞、、'罔挺組接收訊號時，收發加 制訊號（Tx —Rx — Contro 1 )护：制戸弓 x匕 徑之開/合。· 抆制開關32、33以實現接故路 8 0 2· 1 la/b雙模無線區域網握 · m α Λ Α 丄从 一飞、，，罔极組係組裝於筆記型計f 機6 〇〇内，而所述雙頻天線4〇 旱 ^ T ^Page 9 200410507 V. Description of the invention (5), ensure that only the first and second transmitting paths or the first and second paths are closed to achieve the first and the first — a shooting ^ brother ~ receiving path and the first — Effective isolation of the second launch path. The second logic control unit 36 is a control signal (PA — PWR — Control), a band control signal year (BAND — Control), and a transmission and reception control signal (Tχ p: system) generated by the fundamental frequency integrated circuit 10. If the power is amplified If it is turned on, the power amplifier χ power amplifier 302 is turned on, and the power amplifier 301 is open. In the second, only one power amplifier is turned on, and the emission path where Dingma η is located is closed. , And the other transmission path is in an open state at 80 2 · 11 a / b dual-mode wireless local area network module to transmit a signal (Tx — Rx — Contr〇1) control gate Q ^ ^ control switch 3 2 , 3 3 to achieve the opening / closing of the diameter of bismuth w, and the logic control unit 36 is to open / close the circuit amplifier 3 0 1, 3 0 2. The heart is the control power amplifier 8 0 2 · 11 a / b dual-mode wireless area copper ceremony ^ ^ ^ ^ When flying, and '罔 组 group receive signals, send and receive plus signals (Tx — Rx — Contro 1) protection: open / close the cymbal bow x dagger diameter. · Control switches 32 and 33 to realize the old path 8 0 2 · 1 la / b dual-mode wireless local area network grip · m α Λ Α 丄 From Yifei ,,, 罔Group-based meter is assembled in a notebook-six thousand and f, while the dual-band antenna 4〇 dry ^ T ^

Rnn a 4 0 b組設於筆記型計算機 6〇〇内不同之位置。因而，第一、μ ^ τ ^ ^ ϋΛ. ^ 禾 乐二雙頻天線40a、40b 收發訊號之性能將不同。天绫把在丨^ ' 人、、汞&制訊號（ANT Control ) 可於第一、第二雙頻天線4〇a、4〇h +#二& ) A a、， ^ t U b中透擇性成較好之天線 马當丽工作天線。 使用上述天線分集功能之設古十 ^ ^ ^ ^ Χ 4，可使付特定時間之内The Rnn a 4 0 b group is located at different positions within the notebook computer 600. Therefore, the performance of the first and second μ ^ τ ^ ^ ϋ Λ. ^ Hele two dual-band antennas 40a and 40b will be different.绫 绫 ^^ Human, mercury & signal (ANT Control) can be used on the first and second dual-band antennas 40a, 4〇h + # 二 &) A a ,, ^ t U b The medium selectivity becomes a better antenna Madangli working antenna. Using the antenna diversity function mentioned above, ^ ^ ^ ^ ^ χ 4 can be paid within a certain time

200410507 五、發明說明（6) 僅有發射路徑或接收路徑處於閉合之狀態以有效隔離收發 路徑。另外，由於收發路徑中僅設有兩級級聯之開關控制 ，故收發路徑可獲得較低之插入損耗。 本發明不僅可用於8 0 2. 1 la/b雙模無線區域（WLAN ) 收發機模組之中，亦可用於其它雙模無線收發機模組（如 行動電話）之中。 綜上所述，本發明確已符合發明專利之要件，爰依法 提出專利申請。惟，以上所述僅為本發明之較佳實施例， 自不能以此限定本發明之權利範圍。舉凡熟悉此項技藝之 j 人士爰依本發明之精神所作之等效修飾或變化I，皆應涵 蓋在以下申請專利範圍内。200410507 V. Description of the invention (6) Only the transmitting path or receiving path is closed to effectively isolate the receiving and transmitting paths. In addition, because there are only two cascaded switch controls in the transmit and receive paths, the transmit and receive paths can achieve lower insertion loss. The invention can be used not only in the 802.1 la / b dual-mode wireless area (WLAN) transceiver module, but also in other dual-mode wireless transceiver modules (such as mobile phones). In summary, the present invention has indeed met the requirements of the invention patent, and a patent application has been filed in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of rights of the present invention cannot be limited by this. For example, anyone who is familiar with this technique and equivalent modifications or changes I made according to the spirit of the present invention should be covered by the following patent applications.

200410507200410507

圖式簡單說明 第 — 圖 係 -j-n. 汉 有 本發 明之射頻前端電路的 雙 模 4 線 區： 域網, 組 方 框 圖。 第 二 圖 係 本 發 明之 射頻葡 端電路電路仿 真 圖 〇 [ 元 件 符 號 說 明】 基 頻 積 體 電 路 10 第- -輸 入 管 腳 12 帶 通 濾· 波 器 101 ^ 102 第二 一裔丨』 入 管 腳 14 低 通 濾 波 器 103 、104 射頻積 體 電 路 20 不 平 衡 變 壓 哭 xyxy 201 — 204 射頻前 端 電 路 30 功 率 放 大 器 301 > 302 雙刀雙 擲 開 關 31 πσ 早 刀 雙 擲 開 關 1 32、 33 第二 二邏 輯 控 制 單 元 34 第 一 邏 輯 控 制 σσ 一 早兀 35 第i 一一、tcp 二避 輯 控 制 ησ 早 元 36 第 一 fm 出 管 腳 4 第一 -雙 頻 天 線 40a 第 -— 雙 頻 天 線 40b 第二 一於 -m 出 管 腳 6 筆 記 型 計 算 機 600 第12頁Brief description of diagrams Chapter — Picture system -j-n. The dual-mode 4-wire area of the radio frequency front-end circuit of the present invention: a local area network, a block diagram. The second figure is a circuit simulation diagram of the RF port circuit of the present invention. [Description of component symbols] Fundamental frequency integrated circuit 10th--Input pin 12 Bandpass filter · Waveform 101 ^ 102 Second generation 14 Low-pass filter 103, 104 RF integrated circuit 20 Unbalanced transformer xyxy 201 — 204 RF front-end circuit 30 Power amplifier 301 > 302 Double pole double throw switch 31 πσ Early knife double throw switch 1 32, 33 Second Two logic control unit 34 First logic control σσ Early morning 35th i i One, tcp Two avoidance control ησ Early element 36 First fm Out pin 4 First-dual-frequency antenna 40a First-dual-frequency antenna 40b Second One at -m Out pin 6 Notebook 600 Page 12

Claims (1)

200410507 六、申請專利範圍 1. 一種用於雙頻收發機模組中之射頻前端電路，其中該 雙頻收發機模組設有第一、第二雙頻天線、第一、第 二發射路徑及第一、第二接收路徑， 該射頻前端電 路包括： 雙刀雙擲開關，設有分別與所述第一、第二雙頻天線 電性耦合之第一、第二輸出管腳及第一、第二輸入 管腳； 第一單刀雙擲開關，係用以連接所述雙刀雙擲開關之 第二輸出管腳與雙模收發機模組之第一收發路徑； ί .. 及 第二單刀雙擲開關，係用以連接所述雙刀雙擲開關之 第一輸出管腳與雙模收發機模組之第二收發路徑。 2. 如申請專利範圍第1項所述之射頻前端電路，其中該射 頻前端電路還包括第一邏輯控制單元，係用以控制雙 刀雙擲開關第一輸入管腳與第一輸出管腳之連接，第 二輸入管腳與第二輸出管腳之連接，或者第一輸入管 腳與第二輸出管腳之連接，第二輸入管腳與第一輸’社 管腳之連接。 3. 如申請專利範圍第2項所述之射頻前端電路，其中該射 頻前端電路還包括控制第一、第二單刀雙擲開關用以 選擇第一、第二發射路徑或第一、第二接收路徑之第 二邏輯控制單元。 4. 一種用於雙頻收發機模組中之射頻前端電路，包括： 第一及第二天線；200410507 6. Scope of patent application 1. A radio frequency front-end circuit used in a dual-frequency transceiver module, wherein the dual-frequency transceiver module is provided with first and second dual-frequency antennas, first and second transmission paths, and First and second receiving paths, the radio frequency front-end circuit includes: a double-pole double-throw switch provided with first and second output pins and first and second output pins electrically coupled to the first and second dual-frequency antennas, respectively. The second input pin; the first single-pole double-throw switch is used to connect the second output pin of the double-pole double-throw switch with the first receiving and transmitting path of the dual-mode transceiver module; and the second single-pole The double-throw switch is used to connect the first output pin of the double-pole double-throw switch with the second transmit-receive path of the dual-mode transceiver module. 2. The RF front-end circuit according to item 1 of the scope of patent application, wherein the RF front-end circuit further includes a first logic control unit for controlling a first input pin and a first output pin of the double-pole double-throw switch. Connection, the connection between the second input pin and the second output pin, or the connection between the first input pin and the second output pin, and the connection between the second input pin and the first input pin. 3. The RF front-end circuit according to item 2 of the scope of patent application, wherein the RF front-end circuit further includes controlling first and second single-pole double-throw switches to select the first and second transmitting paths or the first and second receiving paths. The second logical control unit of the path. 4. An RF front-end circuit used in a dual-frequency transceiver module, comprising: a first and a second antenna; 第13頁 200410507 六、申請專利範圍 第一及第二訊號接收路徑，係用以接收兩個不同頻段 之射頻訊號； 第一及第二訊號發射路徑，係用以發射兩個不同頻段 接第一、第二接收路徑及第一、第 一、第二雙頻天線，並為所述第一 及第一、第二發射路徑選擇工作天 項所述之射頻前端電路，其中所述 述第一及第二天線電性耦合之雙刀 述雙刀雙擲與所述第一收發路徑之 及連接所述雙刀雙擲開關與第二收 雙擲開關。 項所述之射頻 徑分別包括第 之射頻訊號；及 開關單元，用以連 二發射路徑與第 、第二路接收徑 線。 5 .如申請專利範圍第4 開關單元包括與所 雙擲開關、連1接所 第一單刀雙擲開關 發路徑之第二單刀 6.如申請專利範圍第4 及第二訊號發射路 前端電路，其中第一 一及第二功率放大器 7. 如申請專利範圍第6項所述之射頻前端電路，其中該射 頻前端電路還包括用以控制第一及第二功率放大器之 邏輯控制單元。 8. —種用於雙頻收發機模組中之射頻前端電路，其中所 述雙頻收發機模組包括第一、第二雙頻天線、第一、 第二信號發射路徑及第一、第二信號接收路徑，包括 第一開關，設有與第 第二雙頻天線電性耦合之第Page 13 200410507 VI. Patent application scope The first and second signal receiving paths are used to receive RF signals in two different frequency bands; the first and second signal transmitting paths are used to transmit two different frequency bands to connect to the first , A second receiving path, and first, first, and second dual-band antennas, and selecting the radio frequency front-end circuit described in the working day item for the first, first, and second transmitting paths, wherein the first and The double-pole double-pole double-throw electrically coupled to the second antenna and the first transmitting and receiving path are connected to the double-pole double-throw switch and the second retracting double-throw switch. The RF path mentioned in the item includes the first RF signal; and a switch unit for connecting the second transmitting path and the second and second receiving paths. 5. If the fourth switching unit in the scope of the patent application includes the second single-pole of the transmission path of the first single-pole double-throw switch connected to the double-throw switch and the 1st connection. 6. If the front-end circuit of the fourth and second signal transmission path of the patent scope, The first one and the second power amplifier 7. The RF front-end circuit described in item 6 of the patent application scope, wherein the RF front-end circuit further includes a logic control unit for controlling the first and second power amplifiers. 8. An RF front-end circuit for a dual-frequency transceiver module, wherein the dual-frequency transceiver module includes first and second dual-frequency antennas, first and second signal transmission paths, and first and second The two signal receiving paths include a first switch, and a second signal receiving path is electrically connected to the second dual-frequency antenna. 第14頁 200410507 六、申請專利範圍 一、第二輸出管腳及第一、第二輸入管腳； 第二開關，係用以將第一開關之第二輸入管腳與第一 信號發射路徑及第一信號接收路徑耦合連接； 第三開關，係用以將第一開管之第一輸出管腳與第二 信號發射路徑及第二信號接收路徑耦合連接； 第一功率放大器，係連接至第一發射路徑之中；及 第二功率放大篆，係連接至第二發射路徑之中；其中 所述兩個發射路徑與兩個接收路徑相互單獨導通 ，所述第一功率放大器與第二功率放大器相互單獨導 通0Page 14 200410507 6. Scope of patent application 1. The second output pin and the first and second input pins; The second switch is used to connect the second input pin of the first switch with the first signal transmission path and The first signal receiving path is coupled and connected; the third switch is used to couple and connect the first output pin of the first open tube with the second signal transmitting path and the second signal receiving path; the first power amplifier is connected to the first A transmission path; and a second power amplifier 篆 connected to the second transmission path; wherein the two transmission paths and the two reception paths are conducted separately from each other, the first power amplifier and the second power amplifier Separate from each other 0 第15頁Page 15
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387219B (en) * 2008-10-17 2013-02-21 Hon Hai Prec Ind Co Ltd Wireless communication device
TWI670946B (en) * 2018-07-30 2019-09-01 瑞昱半導體股份有限公司 Transceiver control circuit for reducing operating mode transition period of transceiver

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004041805A1 (en) 2004-08-24 2006-03-09 Siemens Ag Baseband chip, communication module, printed circuit board with peripheral devices and methods for controlling such peripheral devices
WO2007148261A2 (en) * 2006-06-22 2007-12-27 Nxp B.V. Dual band receiver with control means for preventing signal overloading
KR100729341B1 (en) * 2006-06-29 2007-06-18 주식회사 알에프엔진 Wireless communication signal transmission / reception path selector
US7973725B2 (en) 2008-02-29 2011-07-05 Research In Motion Limited Mobile wireless communications device with selective load switching for antennas and related methods
US20110102293A1 (en) * 2008-04-10 2011-05-05 Siemens Ag Antenna Assembly
CN101604993B (en) * 2008-06-11 2013-02-13 联想(北京)有限公司 Multiaerial system and method for radiating radio frequency signals
CN101409571B (en) * 2008-11-27 2012-08-08 华为终端有限公司 Switchable antenna and electronic device
US20100144287A1 (en) * 2008-12-04 2010-06-10 Horen Chen Wireless communication device utilizing external processors and memories
EP2389033A1 (en) * 2010-03-05 2011-11-23 Wuxi Boou Electronic Technological Ltd. Sector handover system for radio frequency signals in mobile communication base station
CN102196517B (en) * 2010-03-05 2013-11-13 无锡博欧电子科技有限公司 Mobile communication base station radio frequency signal sector switching system
CN101814928A (en) * 2010-03-23 2010-08-25 华为终端有限公司 Receiving device and method
CN101860371B (en) * 2010-06-02 2013-07-03 惠州Tcl移动通信有限公司 Wireless transmitting device and wireless terminal
CN103155431B (en) * 2010-08-26 2015-08-19 维斯普瑞公司 Tunable radio front end and method
KR101840879B1 (en) 2011-12-26 2018-03-22 한국전자통신연구원 RF front-end apparatus of wireless transceiver using RF passive elements
CN103516379A (en) * 2012-06-28 2014-01-15 国基电子（上海）有限公司 Wireless communication module
CN103684508A (en) * 2012-09-12 2014-03-26 苏佳宁 Low-energy consumption wireless transmission module structure running under complex environment
CN103066939B (en) * 2012-12-26 2016-01-20 福建星海通信科技有限公司 Asterism formula coupling network, asterism formula coupler and control method thereof
CN105098356A (en) * 2015-09-09 2015-11-25 天津七一二通信广播有限公司 Ultraviolet (UV) frequency band and S frequency band dual-mode integrated antenna system applied to communication terminal
CN108683439A (en) * 2018-04-08 2018-10-19 努比亚技术有限公司 Antenna links scenarios method of adjustment, mobile terminal and computer readable storage medium
CN110768693B (en) * 2018-07-26 2022-01-07 瑞昱半导体股份有限公司 Dual-mode wireless transceiver
CN112886973B (en) * 2021-01-28 2022-08-26 维沃移动通信有限公司 Radio frequency circuit and electronic equipment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768691A (en) * 1996-08-07 1998-06-16 Nokia Mobile Phones Limited Antenna switching circuits for radio telephones
US5794159A (en) * 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
US5815804A (en) * 1997-04-17 1998-09-29 Motorola Dual-band filter network
FI113212B (en) * 1997-07-08 2004-03-15 Nokia Corp Dual resonant antenna design for multiple frequency ranges
DE19823049C2 (en) * 1998-05-22 2000-09-21 Ericsson Telefon Ab L M Power amplifier output circuit for suppressing harmonics for a mobile radio unit with double band operation and method for operating the same
JP3410661B2 (en) * 1998-06-26 2003-05-26 シャープ株式会社 Multimode wireless device
JP2984669B1 (en) * 1998-09-11 1999-11-29 静岡日本電気株式会社 Local Circuit in Mobile Phone with Built-in Simple Mobile Phone
FR2783654B1 (en) * 1998-09-23 2006-07-28 Sagem BIBANDE TRANSMITTER-RECEIVER WITH DOUBLE RADIATION DEVICE
CN1132344C (en) * 2000-01-04 2003-12-24 三菱电机株式会社 cellular phone
WO2003050915A1 (en) * 2001-12-06 2003-06-19 Protura Wireless, Inc. Communication device with front-end antenna integration

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387219B (en) * 2008-10-17 2013-02-21 Hon Hai Prec Ind Co Ltd Wireless communication device
TWI670946B (en) * 2018-07-30 2019-09-01 瑞昱半導體股份有限公司 Transceiver control circuit for reducing operating mode transition period of transceiver
US10587303B2 (en) 2018-07-30 2020-03-10 Realtek Semiconductor Corp. Transceiver control circuit for reducing operating mode transition period of transceiver

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