JP2020516194A - 電力増幅器をバイアススイッチングする装置と方法 - Google Patents
電力増幅器をバイアススイッチングする装置と方法 Download PDFInfo
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Abstract
Description
Claims (20)
- 携帯デバイスであって、
無線周波数信号を増幅するべく構成された電力増幅器と、
前記電力増幅器の供給電圧の電圧レベルを制御するべく構成された電力管理回路であって、複数の供給制御モードから選ばれた選択供給制御モードにおいて動作可能な電力管理回路と、
前記電力管理回路の選択供給制御モードに基づいて前記電力増幅器のバイアスをスイッチングするべく構成されたバイアス制御回路と
を含む、携帯デバイス。 - 前記複数の供給制御モードは、平均電力追跡モード及び包絡線追跡モードを含む、請求項1の携帯デバイス。
- 前記バイアス制御回路は、前記選択供給制御モードに基づいて前記電力増幅器のバイアスインピーダンスを制御するべく動作可能である、請求項1の携帯デバイス。
- 前記バイアス制御回路は、前記電力管理回路の選択供給制御モードを示す制御信号を受信するべく構成される、請求項1の携帯デバイス。
- 前記バイアス制御回路は、シリアルインタフェイスを経由して前記制御信号を受信するべく構成される、請求項4の携帯デバイス。
- 前記電力増幅器は、複数のバイアスネットワークを含み、
前記バイアス制御回路は、前記選択供給制御モードに基づいて前記複数のバイアスネットワークを制御するべく動作可能である、請求項1の携帯デバイス。 - 前記バイアス制御回路は、前記複数のバイアスネットワークの異なる組み合わせを、前記選択供給制御モードに基づいて選択的にアクティブにする、請求項6の携帯デバイス。
- 前記複数のバイアスネットワークは、第1供給制御モードにおいてアクティブにされて第2供給制御モードにおいてアクティブ解除される第1バイアスネットワークを含み、
前記第1バイアスネットワークは歪み補償回路を含む、請求項6の携帯デバイス。 - パッケージ状モジュールであって、
パッケージ基板と、
外部電力管理回路から供給電圧を受信するべく構成された供給ピンと、
前記パッケージ基板に取り付けられた第1ダイであって、無線周波数信号を増幅するべく構成された電力増幅器を含む第1ダイと、
前記パッケージ基板に取り付けられた第2ダイであって、前記供給電圧を制御する選択モードを示す制御信号に基づいて前記電力増幅器のバイアスをスイッチングするべく構成されたバイアス制御回路を含む第2ダイと
を含む、パッケージ状モジュール。 - 前記選択モードは、平均電力追跡モード又は包絡線追跡モードの一方を示す、請求項9のパッケージ状モジュール。
- 前記選択モードに基づいて前記電力増幅器のバイアスインピーダンスを制御するべく動作可能である、請求項9のパッケージ状モジュール。
- 前記第2ダイは、前記制御信号を受信するべく構成されたシリアルインタフェイスを含む、請求項9のパッケージ状モジュール。
- 前記電力増幅器は複数のバイアスネットワークを含み、
前記バイアス制御回路は、前記選択モードに基づいて前記複数のバイアスネットワークを制御するべく動作可能である、請求項9のパッケージ状モジュール。 - 前記複数のバイアスネットワークは、前記供給電圧を制御する第1モードにおいてアクティブにされて前記供給電圧を制御する第2モードにおいてアクティブ解除される第1バイアスネットワークを含む、請求項13のパッケージ状モジュール。
- 前記第1バイアスネットワークは歪み補償回路を含む、請求項14のパッケージ状モジュール。
- 電力増幅器にバイアスを与える方法であって、
電力増幅器を使用して無線周波数信号を増幅することと、
電力管理回路を使用して前記電力増幅器の供給電圧の電圧レベルを制御することと、
前記電力管理回路を、複数の供給制御モードから選ばれた選択供給制御モードにおいて動作させることと、
バイアス制御回路を使用して前記選択供給制御モードに基づいて前記電力増幅器のバイアスをスイッチングすることと
を含む、方法。 - 前記バイアス制御回路を使用して前記選択供給制御モードに基づいて前記電力増幅器のバイアスインピーダンスを制御することをさらに含む、請求項16の方法。
- 前記選択供給制御モードを示す制御信号を、シリアルインタフェイスを経由して受信することをさらに含む、請求項16の方法。
- 前記電力増幅器のバイアスをスイッチングすることは、前記電力増幅器の複数のバイアスネットワークの一つ以上を、前記選択供給制御モードに基づいて選択的にアクティブにすることを含む、請求項16の方法。
- 前記複数のバイアスネットワークの異なる組み合わせを、前記選択供給制御モードに基づいてアクティブにすることをさらに含む、請求項19の方法。
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SG11201908970TA (en) | 2019-10-30 |
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US11394347B2 (en) | 2022-07-19 |
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CN110622412A (zh) | 2019-12-27 |
CN110622412B (zh) | 2024-01-23 |
GB2605891A (en) | 2022-10-19 |
US10958218B2 (en) | 2021-03-23 |
GB2575747A (en) | 2020-01-22 |
JP7221212B2 (ja) | 2023-02-13 |
TWI750361B (zh) | 2021-12-21 |
DE112018001855T5 (de) | 2019-12-24 |
US20210184632A1 (en) | 2021-06-17 |
TW202214025A (zh) | 2022-04-01 |
GB2605891B (en) | 2023-02-08 |
US10666200B2 (en) | 2020-05-26 |
KR20190127966A (ko) | 2019-11-13 |
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