JP6900947B2 - 高周波モジュールおよび通信装置 - Google Patents
高周波モジュールおよび通信装置 Download PDFInfo
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- JP6900947B2 JP6900947B2 JP2018247192A JP2018247192A JP6900947B2 JP 6900947 B2 JP6900947 B2 JP 6900947B2 JP 2018247192 A JP2018247192 A JP 2018247192A JP 2018247192 A JP2018247192 A JP 2018247192A JP 6900947 B2 JP6900947 B2 JP 6900947B2
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- circuit
- transmission
- reception
- high frequency
- frequency module
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- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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Description
[1.1 高周波モジュール1および通信装置5の回路構成]
図1は、実施の形態1に係る高周波モジュール1および通信装置5の回路構成図である。同図に示すように、通信装置5は、高周波モジュール1と、アンテナ2と、RF信号処理回路(RFIC)3と、ベースバンド信号処理回路(BBIC)4と、を備える。
図2は、実施の形態1に係る高周波モジュール1の断面構成概略図および平面構成概略図である。図2の(a)は、高周波モジュール1の断面構成概略図であり、具体的には、図2の(b)のII−II線における断面図である。
図3は、実施の形態1の変形例1に係る高周波モジュール1Aの断面構成概略図および平面構成概略図である。図3の(a)は、高周波モジュール1Aの断面構成概略図であり、具体的には、図3の(b)のIII−III線における断面図である。本変形例に係る高周波モジュール1Aは、実施の形態1に係る高周波モジュール1と比較して、送信整合回路54Bを跨ぐボンディングワイヤの配置構成のみが異なる。以下、本変形例に係る高周波モジュール1Aについて、実施の形態1に係る高周波モジュール1と同じ点は説明を省略し、異なる点を中心に説明する。
図4は、実施の形態1の変形例2に係る高周波モジュール1Bの断面構成概略図および平面構成概略図である。図4の(a)は、高周波モジュール1Bの断面構成概略図であり、具体的には、図4の(b)のIV−IV線における断面図である。本変形例に係る高周波モジュール1Bは、実施の形態1に係る高周波モジュール1と比較して、送信整合回路54Bを跨ぐボンディングワイヤの配置構成のみが異なる。以下、本変形例に係る高周波モジュール1Bについて、実施の形態1に係る高周波モジュール1と同じ点は説明を省略し、異なる点を中心に説明する。
図5は、実施の形態1の変形例3に係る高周波モジュール1Cの断面構成概略図および平面構成概略図である。本変形例に係る高周波モジュール1Cは、変形例2に係る高周波モジュール1Bと比較して、電力増幅回路40の電極配置構成のみが異なる。以下、本変形例に係る高周波モジュール1Cについて、変形例2に係る高周波モジュール1Bと同じ点は説明を省略し、異なる点を中心に説明する。
図6は、実施の形態1の変形例4に係る高周波モジュール1Dの断面構成概略図および平面構成概略図である。本変形例に係る高周波モジュール1Dは、実施の形態1に係る高周波モジュール1と比較して、受信フィルタ24Rを跨ぐボンディングワイヤ88Gの配置構成のみが異なる。以下、本変形例に係る高周波モジュール1Dについて、実施の形態1に係る高周波モジュール1と同じ点は説明を省略し、異なる点を中心に説明する。
図7は、実施の形態1の変形例5に係る高周波モジュール1Eの断面構成概略図である。本変形例に係る高周波モジュール1Eは、実施の形態1に係る高周波モジュール1と比較して、シールド電極層95が配置されている点、および、送信整合回路54B(の第1インダクタ)を跨ぐボンディングワイヤ71Gの配置構成が異なる。以下、本変形例に係る高周波モジュール1Eについて、実施の形態1に係る高周波モジュール1と同じ点は説明を省略し、異なる点を中心に説明する。
図8は、実施の形態1の変形例6に係る高周波モジュール1Fの断面構成概略図および平面構成概略図である。図8の(a)は、高周波モジュール1Fの断面構成概略図であり、具体的には、図8の(b)のVIII−VIII線における断面図である。本変形例に係る高周波モジュール1Fは、実施の形態1に係る高周波モジュール1と比較して、受信回路側に配置されたボンディングワイヤの配置構成が異なる。以下、本変形例に係る高周波モジュール1Fについて、実施の形態1に係る高周波モジュール1と同じ点は説明を省略し、異なる点を中心に説明する。
本実施の形態では、異なる通信バンドの高周波信号を伝送する送信回路および受信回路の間での磁界結合を抑制する高周波モジュールの構成について示す。
図9は、実施の形態2に係る高周波モジュール1Gの平面構成概略図および断面構成概略図である。なお、本実施の形態およびその変形例に係る高周波モジュールは、実施の形態1に係る高周波モジュール1と同様に、図1に示された回路構成を有している。
図10は、実施の形態2の変形例7に係る高周波モジュール1Hの平面構成概略図および断面構成概略図である。本変形例に係る高周波モジュール1Hは、実施の形態2に係る高周波モジュール1Gと比較して、低雑音増幅器30Bに配置されたボンディングワイヤの配置構成が異なる。以下、本変形例に係る高周波モジュール1Hについて、実施の形態2に係る高周波モジュール1Gと同じ点は説明を省略し、異なる点を中心に説明する。
図11は、実施の形態2の変形例8に係る高周波モジュール1Jの平面構成概略図および断面構成概略図である。本変形例に係る高周波モジュール1Jは、実施の形態2に係る高周波モジュール1Gと比較して、受信整合回路53Aおよび53Bに配置されたボンディングワイヤの配置構成が異なる。以下、本変形例に係る高周波モジュール1Jについて、実施の形態2に係る高周波モジュール1Gと同じ点は説明を省略し、異なる点を中心に説明する。
図12は、実施の形態2の変形例9に係る高周波モジュール1Kの平面構成概略図および断面構成概略図である。本変形例に係る高周波モジュール1Kは、実施の形態2に係る高周波モジュール1Gと比較して、受信整合回路53Aおよび53Bにボンディングワイヤが配置されず導電キャップが配置されている点が異なる。以下、本変形例に係る高周波モジュール1Kについて、実施の形態2に係る高周波モジュール1Gと同じ点は説明を省略し、異なる点を中心に説明する。
図13は、実施の形態2の変形例10に係る高周波モジュール1Lの平面構成概略図および断面構成概略図である。本変形例に係る高周波モジュール1Lは、実施の形態2に係る高周波モジュール1Gと比較して、送信回路と受信回路との間にボンディングワイヤ87が配置されている点が異なる。以下、本変形例に係る高周波モジュール1Lについて、実施の形態2に係る高周波モジュール1Gと同じ点は説明を省略し、異なる点を中心に説明する。
図14は、実施の形態2の変形例11に係る高周波モジュール1Mの平面構成概略図および断面構成概略図である。本変形例に係る高周波モジュール1Mは、変形例10に係る高周波モジュール1Lと比較して、シールド電極層95が配置されており、ボンディングワイヤ75Aがシールド電極層95と接触している点が異なる。以下、本変形例に係る高周波モジュール1Mについて、変形例10に係る高周波モジュール1Lと同じ点は説明を省略し、異なる点を中心に説明する。
以上、本発明の実施の形態に係る高周波モジュールおよび通信装置について、実施の形態1、2およびその変形例を挙げて説明したが、本発明に係る高周波モジュールおよび通信装置は、上記実施の形態およびその変形例に限定されるものではない。上記実施の形態およびその変形例における任意の構成要素を組み合わせて実現される別の実施の形態や、上記実施の形態およびその変形例に対して本発明の主旨を逸脱しない範囲で当業者が思いつく各種変形を施して得られる変形例や、上記高周波モジュールおよび通信装置を内蔵した各種機器も本発明に含まれる。
2 アンテナ
3 RF信号処理回路(RFIC)
4 ベースバンド信号処理回路(BBIC)
5 通信装置
21、22、23、24 デュプレクサ
21R、22R、23R、24R 受信フィルタ
21T、22T、23T、24T 送信フィルタ
30 低雑音増幅回路
30A、30B 低雑音増幅器
32G、41G、42G、43G、81G、81G1、81G2、82G、83G、84G1、84G2、89G グランド電極
40 電力増幅回路
40A、40B 電力増幅器
65、66、71G、72G、73G、74G、75、75A、76、77、78、79、85、86、87、88G ボンディングワイヤ
41A、41B、42A、42B、81A、82A 電極
51A、51B、52A、52B、55 スイッチ
53A、53B、53C、53D 受信整合回路
54A、54B 送信整合回路
61、62、63、64 整合回路
80 実装基板
90、91、92 樹脂部材
95 シールド電極層
96、97 導電キャップ
100 共通端子
110A、110B 送信端子
120A、120B 受信端子
Claims (19)
- 共通端子、送信端子、および受信端子と、
実装基板上に配置され、前記送信端子から入力された高周波信号を処理して前記共通端子に出力する送信回路と、
前記実装基板上に配置され、前記共通端子から入力された高周波信号を処理して前記受信端子に出力する受信回路と、を備えた高周波モジュールであって、
前記送信回路および前記受信回路の少なくとも1つは、
第1インダクタと、
グランドに接続されたボンディングワイヤと、を含み、
前記ボンディングワイヤは前記第1インダクタを跨いでいる、
高周波モジュール。 - 前記第1インダクタは、
前記送信端子から入力された高周波信号を増幅する電力増幅器の出力端子に接続されたインダクタ、および、増幅した高周波信号を受信端子に出力する低雑音増幅器の入力端子に接続されたインダクタ、の少なとも1つである、
請求項1に記載の高周波モジュール。 - 前記受信回路は、
前記低雑音増幅器と、
前記第1インダクタと、を有し、
前記ボンディングワイヤは、前記低雑音増幅器および前記第1インダクタを跨いでいる、
請求項2に記載の高周波モジュール。 - 前記送信回路は、
前記電力増幅器と、
前記第1インダクタと、を有し、
前記ボンディングワイヤは、前記電力増幅器および前記第1インダクタを跨いでいる、
請求項2に記載の高周波モジュール。 - 前記受信回路は、
前記低雑音増幅器と、
前記第1インダクタと、を有し、
前記ボンディングワイヤの一端は、前記低雑音増幅器の互いに背向する主面のうち実装基板から遠いほうの主面に形成されたグランド電極に接触接続され、前記ボンディングワイヤの他端は、前記実装基板に形成されたグランド電極に接触接続されている、
請求項2に記載の高周波モジュール。 - 前記送信回路は、
前記電力増幅器と、
前記第1インダクタと、を有し、
前記ボンディングワイヤの一端は、前記電力増幅器の互いに背向する主面のうち実装基板から遠いほうの主面に形成されたグランド電極に接触接続され、前記ボンディングワイヤの他端は、前記実装基板に形成されたグランド電極に接触接続されている、
請求項2に記載の高周波モジュール。 - 前記送信回路は、
第1通信バンドの高周波信号を伝送する第1送信回路と、
前記第1通信バンドと周波数が異なる第2通信バンドの高周波信号を伝送する第2送信回路と、を備え、
前記受信回路は、
前記第1通信バンドの高周波信号を伝送する第1受信回路と、
前記第2通信バンドの高周波信号を伝送する第2受信回路と、を備え、
前記第1受信回路は、
前記第1通信バンドの高周波信号を第1受信端子に出力する第1低雑音増幅器と、
前記第1低雑音増幅器の入力端子に接続された第1受信整合用インダクタと、を備え、
前記第1受信整合用インダクタは、前記第1インダクタである、
請求項1に記載の高周波モジュール。 - 前記実装基板は、互いに背向する第1主面および第2主面を有し、
前記第1送信回路および前記第2受信回路は、前記第1主面に実装され、
前記第2送信回路および前記第1受信回路は、前記第2主面に実装され、
前記高周波モジュールは、さらに、
前記実装基板を平面視した場合、前記第1送信回路と前記第2受信回路との間に形成された、グランドに接続されたボンディングワイヤを備える、
請求項7に記載の高周波モジュール。 - 共通端子、送信端子、および受信端子と、
実装基板上に配置され、前記送信端子から入力された高周波信号を処理して前記共通端子に出力する送信回路と、
前記実装基板上に配置され、前記共通端子から入力された高周波信号を処理して前記受信端子に出力する受信回路と、を備えた高周波モジュールであって、
前記高周波モジュールは、さらに、
前記送信回路および前記受信回路の接続ノードと前記共通端子との間に接続された第1インダクタと、
グランドに接続されたボンディングワイヤと、を含み、
前記ボンディングワイヤは前記第1インダクタを跨いでいる、
高周波モジュール。 - 前記第1インダクタは、
送信フィルタの出力端子および受信フィルタの入力端子に接続されたインダクタである、
請求項9に記載の高周波モジュール。 - 前記ボンディングワイヤは、グランドに接続された互いに平行な複数の第1ボンディングワイヤで構成され、
前記複数の第1ボンディングワイヤは前記第1インダクタを跨いでいる、
請求項1〜10のいずれか1項に記載の高周波モジュール。 - 前記ボンディングワイヤは、グランドに接続された互いに平行な複数の第1ボンディングワイヤと、前記複数の第1ボンディングワイヤと交差する複数の第2ボンディングワイヤとで構成され、
前記複数の第1ボンディングワイヤは前記第1インダクタを跨いでおり、かつ、前記複数の第2ボンディングワイヤは前記第1インダクタを跨いでいる、
請求項1〜10のいずれか1項に記載の高周波モジュール。 - 前記ボンディングワイヤは、前記第1インダクタのみを跨いでいる、
請求項1〜12のいずれか1項に記載の高周波モジュール。 - 前記高周波モジュールは、さらに、
前記実装基板上に配置され、前記送信回路および前記受信回路の少なくとも一部を覆う樹脂部材と、
前記樹脂部材の天面および側面を覆うように形成されたシールド電極層と、を備え、
前記ボンディングワイヤの一端は、前記シールド電極層に接触接続されている、
請求項1〜13のいずれか1項に記載の高周波モジュール。 - 前記送信回路は、送信フィルタを有し、
前記受信回路は、受信フィルタを有し、
前記実装基板を平面視した場合に、前記送信フィルタおよび前記受信フィルタは、前記送信回路が配置された領域と、前記受信回路が配置された領域との境界領域に配置されている、
請求項2〜6のいずれか1項に記載の高周波モジュール。 - さらに、グランドに接続された第3ボンディングワイヤ、を含み、
前記実装基板を平面視した場合、前記第3ボンディングワイヤと前記受信フィルタとは重複し、
前記実装基板を断面視した場合、前記第3ボンディングワイヤは前記受信フィルタを跨いでいる、
請求項15に記載の高周波モジュール。 - 前記第1インダクタの磁束方向は、前記実装基板の主面に垂直な方向である、
請求項1〜16のいずれか1項に記載の高周波モジュール。 - 共通端子、送信端子、および受信端子と、
実装基板上に配置され、前記送信端子から入力された高周波信号を処理して前記共通端子に出力する送信回路と、
前記実装基板上に配置され、前記共通端子から入力された高周波信号を処理して前記受信端子に出力する受信回路と、を備えた高周波モジュールであって、
前記高周波モジュールは、
第1インダクタと、
前高周波モジュールを構成する回路素子のうちの前記第1インダクタのみを前記実装基板とで覆う、グランドに接続された導電キャップとを含む、
高周波モジュール。 - アンテナで送受信される高周波信号を処理するRF信号処理回路と、
前記アンテナと前記RF信号処理回路との間で前記高周波信号を伝達する請求項1〜18のいずれか1項に記載の高周波モジュールと、を備える、
通信装置。
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