JP2020102693A - 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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- JP2020102693A JP2020102693A JP2018238364A JP2018238364A JP2020102693A JP 2020102693 A JP2020102693 A JP 2020102693A JP 2018238364 A JP2018238364 A JP 2018238364A JP 2018238364 A JP2018238364 A JP 2018238364A JP 2020102693 A JP2020102693 A JP 2020102693A
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- high frequency
- frequency module
- low noise
- noise amplifier
- main surface
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Abstract
Description
[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、実施の形態に係る高周波モジュール1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、実施の形態に係る高周波モジュール1の断面概略図である。図2に示すように、本実施の形態に係る高周波モジュール1は、図1に示された回路構成に加えて、さらに、実装基板91と、樹脂部材92および93と、外部接続導体150と、を有している。
また、本実施の形態に係る高周波モジュール1では、実装基板91の両面(主面91aおよび91b)に、回路素子および部品が振り分けられた構成を例示したが、これらの回路素子および部品は、実装基板91の片面に実装されていてもよい。
図4は、実施の形態の変形例2に係る高周波モジュール1Bの断面概略図である。同図に示された高周波モジュール1Bは、実施の形態に係る高周波モジュール1と比較して、第1積層体を構成する低雑音増幅器40とインピーダンス整合回路62Aとの積層順が逆となっている点、および、電力増幅器30およびインピーダンス整合回路61Aおよび62Aの上面が樹脂部材から露出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1Bについて、実施の形態に係る高周波モジュール1と同じ構成については説明を省略し、異なる構成を中心に説明する。
図5は、実施の形態の変形例3に係る高周波モジュール1Cの断面概略図である。同図に示された高周波モジュール1Cは、変形例2に係る高周波モジュール1Bと比較して、シールド電極層80を有する点が異なる。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と同じ構成については説明を省略し、異なる構成を中心に説明する。
図6は、実施の形態の変形例4に係る高周波モジュール1Dの断面概略図である。同図に示された高周波モジュール1Dは、変形例2に係る高周波モジュール1Bと比較して、第1積層体およびインピーダンス整合回路62Cが主面91bに実装され、デュプレクサ21が主面91aに実装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1Dについて、変形例2に係る高周波モジュール1Bと同じ構成については説明を省略し、異なる構成を中心に説明する。
図7は、実施の形態の変形例5に係る高周波モジュール1Eの断面概略図である。同図に示された高周波モジュール1Eは、変形例4に係る高周波モジュール1Dと比較して、各インピーダンス整合回路を構成するインダクタの磁束方向が規定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1Eについて、変形例4に係る高周波モジュール1Dと同じ構成については説明を省略し、異なる構成を中心に説明する。
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
11、12 スイッチ
21 デュプレクサ
21R、22R 受信フィルタ
21T 送信フィルタ
30 電力増幅器
40 低雑音増幅器
51、52、52D、61、61A、61D、62、62A、62C、62D、62E インピーダンス整合回路
80 シールド電極層
91 実装基板
91a、91b 主面
91G グランド電極パターン
92、93 樹脂部材
110 入出力端子
120 送信端子
130 受信端子
150 外部接続導体
Claims (12)
- 実装基板と、
増幅素子を含み高周波信号を増幅する低雑音増幅器と、
集積化された第1インダクタを含む第1集積型受動素子と、を備え、
前記第1インダクタは、前記低雑音増幅器の入力端子と接続され、
前記低雑音増幅器と前記第1集積型受動素子とは、前記実装基板の主面に垂直な方向に積層され、前記低雑音増幅器と前記第1集積型受動素子とが積層された第1積層体は、前記主面に実装されている、
高周波モジュール。 - 前記低雑音増幅器は、前記増幅素子が実装された第1基板を有し、
前記第1集積型受動素子は、前記第1インダクタが集積実装された第2基板を有し、
前記第1基板および前記第2基板は、シリコンからなる、
請求項1に記載の高周波モジュール。 - 前記第1インダクタは、前記低雑音増幅器の前段に配置される回路素子の出力インピーダンスと、前記低雑音増幅器の入力インピーダンスとの整合をとるためのインピーダンス整合素子である、
請求項1または2に記載の高周波モジュール。 - さらに、
高周波信号を電力増幅する電力増幅器と、
前記電力増幅器の出力端子に接続され、前記電力増幅器と積層されずに前記主面に実装された第3インダクタとを備える、
請求項1〜3のいずれか1項に記載の高周波モジュール。 - さらに、
高周波信号を入出力する入出力端子と、
前記低雑音増幅器に入力される高周波信号を伝送する信号経路と前記入出力端子との接続、および、前記電力増幅器から出力される高周波信号を伝送する信号経路と前記入出力端子との接続を切り替えるスイッチと、を備え、
前記主面を平面視した場合、前記スイッチは、前記電力増幅器と前記第1積層体との間に配置されている、
請求項4に記載の高周波モジュール。 - さらに、
集積化された第2インダクタを含む第2集積型受動素子を備え、
前記スイッチと前記第2集積型受動素子とは、前記主面に垂直な方向に積層され、前記スイッチと前記第2集積型受動素子とが積層された第2積層体は、前記実装基板に実装されている、
請求項5に記載の高周波モジュール。 - さらに、
前記主面に配置され、前記電力増幅器、前記第1積層体、および前記第2積層体の少なくとも一部を覆う樹脂部材を備え、
前記低雑音増幅器は、前記実装基板を断面視した場合、前記実装基板と前記第1集積型受動素子との間に配置されており、
前記スイッチは、前記実装基板を断面視した場合、前記実装基板と前記第2集積型受動素子との間に配置されており、
前記電力増幅器、前記第1集積型受動素子および前記第2集積型受動素子は、前記樹脂部材の天面から露出している、
請求項6に記載の高周波モジュール。 - さらに、
前記樹脂部材の天面および側面を覆うように形成され、前記実装基板内のグランド電極と接続されたシールド電極層を備える、
請求項7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主面に垂直な方向であり、
前記第3インダクタの磁束方向は、前記主面に平行な方向である、
請求項4〜8のいずれか1項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、
前記電力増幅器および前記第3インダクタは、前記第1主面に実装され、
前記第1積層体は、前記第2主面に実装されている、
請求項4〜9のいずれか1項に記載の高周波モジュール。 - 前記第1集積型受動素子は、前記実装基板を断面視した場合、前記実装基板と前記低雑音増幅器との間に配置されている、
請求項1〜6のいずれか1項に記載の高周波モジュール。 - アンテナ素子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、
前記アンテナ素子と前記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1〜11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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