JP2010283834A - 半導体集積回路装置 - Google Patents
半導体集積回路装置 Download PDFInfo
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Abstract
【解決手段】無線通信用の半導体集積回路装置は、低雑音増幅回路110、低雑音増幅回路の入力用の第1のパッド103、グラウンド用の第2のパッド102および第3のパッド104を含む半導体チップと、半導体チップの周囲に配置された複数のリード(201〜209)と、第1のパッド103に接続された第1の導電性ワイヤと、第2のパッド102に接続された第2の導電性ワイヤと、第3のパッド104に接続された第3の導電性ワイヤを含み、第1のパッド103と第2のパッド102、および第1のパッド103と第3のパッド104は隣り合って配置され、第1のパッド103は、第2のパッド102および第3のパッド104の間に配置され、第1の導電性ワイヤは、第2の導電性ワイヤおよび第3の導電性ワイヤの間に配置されている。
【選択図】図1
Description
また、「日立評論」、Vol.81,No.10(1999-10),PP17〜20には、LNA,デュアルシンセサイザを含む送受信部をワンチップ化した信号処理ICについて記載されている。この文献には、GSM(Global System for Mobile Communications )とDCS1800の信号処理が行えるデュアルバンド携帯電話用ICについて記載されている。GSMではアンテナで受信した信号を帯域通過フィルタにかけて不要信号成分を除去して925〜960MHzの信号を取り出し、その後専用のLNA回路で増幅する。また、DCS1800ではアンテナで受信した信号を帯域通過フィルタにかけて不要信号成分を除去して1805〜1880MHzの信号を取り出し、その後専用のLNA回路で増幅する。
上記フィルタに接続される増幅器(低雑音増幅器)を含む送受信回路が組み込ま
れた信号処理ICチップとを有し、
上記ICチップの主面にはその辺の縁に沿って複数の電極端子が設けられ、
上記増幅器は、上記フィルタの出力信号が供給されるべき制御電極と、上記制御
電極に供給される信号に従った信号を出力する第1電極と、電圧(接地
電圧)が印加される第2電極とからなるトランジスタを有し、
上記制御電極及び上記第1電極並びに上記第2電極は配線を介して上記電極端子
に接続されてなるデュアルバンドの無線通信装置において、
上記電極端子と、上記制御電極及び上記第1電極並びに上記第2電極との間には
、上記各配線を横切るような他の配線が設けられていない。
また、上記電極端子と上記半導体チップの辺との間に配線が設けられていない。
上記増幅器は上記半導体チップの一辺側に存在し、その辺の中央付近に配置され
ている。
単一の上記電極端子から延在する配線は上記トランジスタの制御電極と、上記ト
ランジスタに対して設けられる静電破壊保護ダイオードの一方の電極に
繋がっている。第1電極,第2電極も同様である。
(1)高周波帯の利得及び雑音特性を良好にできる無線通信装置を提供することができる。
(実施形態1)
図1乃至図7は本発明の一実施形態(実施形態1)である無線通信装置に係わる図である。本実施形態1ではTDMA(time division multiple access )システムの無線通信装置、例えば、無線通信移動体端末機器に本発明を適用した例について説明する。
図2のブロック図では、アンテナ330に送受切換器331を介して接続する送信系と、受信系とを示してあり、送信系及び受信系はいずれも図示しないベースバンドに接続されるものである。
図8は本発明の他の実施形態(実施形態2)であるデュアルバンドの無線通信装置における低雑音増幅器が組み込まれた半導体集積回路装置の一部を示す模式図、図9は本実施形態2の無線通信装置に組み込まれるICチップにおける低雑音増幅器を構成するバイポーラトランジスタの配線パターンを示す模式的平面図である。
図10及び図11は本発明の他の実施形態(実施形態3)である。図10は無線通信装置に組み込まれるCSP(Chip Size Package )型の半導体集積回路装置の模式図、図11は前記CSP型の半導体集積回路装置を組み込む多層セラミック基板等を示すレイアウト図である。
Claims (13)
- 無線信号を増幅する低雑音増幅回路、前記低雑音増幅回路の入力用の第1のパッド、グラウンド用の第2のパッドおよびグラウンド用の第3のパッドを含む半導体チップと、
前記半導体チップが搭載されたチップ固定部と、
前記半導体チップの周囲に配置された複数のリードと、
前記第1のパッドと前記複数のリード中の第1のリードを接続する第1の導電性ワイヤと、
前記第2のパッドに接続された第2の導電性ワイヤと、
前記第3のパッドに接続された第3の導電性ワイヤと、
前記半導体チップ、前記第1、第2および第3の導電性ワイヤ、および前記複数のリードそれぞれの一部分を封止する絶縁性樹脂を含み、
前記第1のパッドおよび第2のパッドは隣り合って配置され、
前記第1のパッドおよび第3のパッドは隣り合って配置され、
前記第1のパッドは、前記第2のパッドおよび前記第3のパッドの間に配置され、
前記第1の導電性ワイヤは、前記第2の導電性ワイヤおよび前記第3の導電性ワイヤの間に配置されていることを特徴とする無線通信用の半導体集積回路装置。 - 前記第2のパッドと前記複数のリード中の第2のリードは前記第2の導電性ワイヤで接続され、
前記第3のパッドと前記複数のリード中の第3のリードは前記第3の導電性ワイヤで接続されていることを特徴とする請求項1記載の半導体集積回路装置。 - 前記半導体集積回路装置は変調器および復調器を含んでいることを特徴とする請求項1記載の半導体集積回路装置。
- 前記低雑音増幅回路にはアンテナによって受信された前記無線信号が入力されることを特徴とする請求項1記載の半導体集積回路装置。
- 前記低雑音増幅回路はバイポーラトランジスタによって構成され、
前記第1のパッドは前記バイポーラトランジスタのベースと電気的に接続されていることを特徴とする請求項1記載の半導体集積回路装置。 - 前記低雑音増幅回路はバイポーラトランジスタによって構成され、
前記第2のパッドは前記バイポーラトランジスタのエミッタと電気的に接続されていることを特徴とする請求項1記載の半導体集積回路装置。 - 前記第1のパッドと前記第2のパッドの間には他のパッドが配置されず、
前記第1のパッドと前記第3のパッドの間には他のパッドが配置されていないことを特徴とする請求項1記載の半導体集積回路装置。 - 無線信号を増幅する第1および第2の低雑音増幅回路、前記第1および第2の低雑音増幅回路のそれぞれの入力用の第1および第2のパッド、およびグラウンド用の第3のパッドを含む半導体チップと、
前記半導体チップが搭載されたチップ固定部と、
前記半導体チップの周囲に配置された複数のリードと、
前記第1のパッドと前記複数のリード中の第1のリードを接続する第1の導電性ワイヤと、
前記第2のパッドと前記複数のリード中の第2のリードを接続する第2の導電性ワイヤと、
前記第3のパッドに接続された第3の導電性ワイヤと、
前記半導体チップ、前記第1、第2および第3の導電性ワイヤ、および前記複数のリードそれぞれの一部分を封止する絶縁性樹脂を含み、
前記第3のパッドは、前記第1のパッドおよび前記第2のパッドの間に配置され、
前記第3の導電性ワイヤは、前記第1の導電性ワイヤおよび前記第2の導電性ワイヤの間に配置されていることを特徴とする無線通信用の半導体集積回路装置。 - 前記第3のパッドと前記複数のリード中の第3のリードは前記第3の導電性ワイヤで接続されていることを特徴とする請求項8記載の半導体集積回路装置。
- 前記半導体集積回路装置は変調器および復調器を含んでいることを特徴とする請求項8記載の半導体集積回路装置。
- 前記第1および第2の低雑音増幅回路にはアンテナによって受信された前記無線信号がそれぞれ入力されることを特徴とする請求項8記載の半導体集積回路装置。
- 前記第1および第2の低雑音増幅回路はそれぞれ第1および第2のバイポーラトランジスタによって構成され、
前記第1のパッドは前記第1のバイポーラトランジスタのベースと電気的に接続され、
前記第2のパッドは前記第2のバイポーラトランジスタのベースと電気的に接続されていることを特徴とする請求項8記載の半導体集積回路装置。 - 前記第1および第2の低雑音増幅回路はそれぞれ第1および第2のバイポーラトランジスタによって構成され、
前記第3のパッドは前記第1または第2のバイポーラトランジスタのエミッタと電気的に接続されていることを特徴とする請求項8記載の半導体集積回路装置。
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Citations (4)
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JPS6254950A (ja) * | 1985-09-04 | 1987-03-10 | Mitsubishi Electric Corp | 半導体集積回路 |
JPH09260412A (ja) * | 1996-03-22 | 1997-10-03 | Nec Corp | 半導体集積回路 |
JPH11354709A (ja) * | 1998-06-04 | 1999-12-24 | Mitsubishi Electric Corp | 半導体装置および増幅器 |
JP2001237316A (ja) * | 2000-02-21 | 2001-08-31 | Hitachi Ltd | 無線通信装置 |
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JPS6254950A (ja) * | 1985-09-04 | 1987-03-10 | Mitsubishi Electric Corp | 半導体集積回路 |
JPH09260412A (ja) * | 1996-03-22 | 1997-10-03 | Nec Corp | 半導体集積回路 |
JPH11354709A (ja) * | 1998-06-04 | 1999-12-24 | Mitsubishi Electric Corp | 半導体装置および増幅器 |
JP2001237316A (ja) * | 2000-02-21 | 2001-08-31 | Hitachi Ltd | 無線通信装置 |
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