JP2011041265A - 高効率マイクロ波増幅器 - Google Patents
高効率マイクロ波増幅器 Download PDFInfo
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- JP2011041265A JP2011041265A JP2010161455A JP2010161455A JP2011041265A JP 2011041265 A JP2011041265 A JP 2011041265A JP 2010161455 A JP2010161455 A JP 2010161455A JP 2010161455 A JP2010161455 A JP 2010161455A JP 2011041265 A JP2011041265 A JP 2011041265A
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- amplifier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
Abstract
【解決手段】増幅器は、可変レール電圧源と可変入力駆動段とを有する。コントローラは、増幅器出力を継続的に監視し、高効率と低高調波放射を実現するために、レール電圧および入力駆動部材信号を調整する。増幅器は、線形領域外で利得素子を動作させるために構成された動的バイアスコントローラを備えうる。増幅器によって70%を超える効率を実現することができる。
【選択図】なし
Description
Claims (21)
- 供給レールと帰還レールとの間に電気的に配置され、入力および出力を有する利得段と、
前記供給レールおよび前記帰還レールの少なくとも一方に動作可能に結合され、レール電圧制御信号に応答してレール電圧を供給するように構成されたレール電圧コントローラと、
前記利得段入力に動作可能に結合され、駆動制御信号に応答して前記利得段入力に入力信号を供給するように構成された駆動コントローラと、
前記増幅器の動作パラメータを検出し、前記動作パラメータに対応するセンサ信号を供給するように構成された少なくとも1つのセンサと、
前記少なくとも1つのセンサ信号を受け取り、前記センサ信号に応答して、前記レール電圧コントローラへのレール電圧制御信号、および前記駆動コントローラへの駆動制御信号の少なくとも一方を供給するために適合された増幅器コントローラと、を有する電磁信号増幅器。 - 前記増幅器コントローラは、目標出力レベルに対応する入力を受信するために適合されている請求項1に記載の電磁信号増幅器。
- 前記利得段はプッシュプル構成に配置された少なくとも2つの利得素子を有する請求項1に記載の電磁信号増幅器。
- 前記少なくとも2つの利得素子は、トランジスタ、電界効果トランジスタ、および横方向拡散金属酸化物半導体からなる群から選択される請求項3に記載の電磁信号増幅器。
- 前記センサは出力電圧を検出するように構成されている請求項1に記載の電磁信号増幅器。
- 前記センサはバイアス電流を検出するように構成されている請求項1に記載の電磁信号増幅器。
- 前記利得段はバイアス回路を有し、
前記電磁信号増幅器は、前記バイアス回路に動作可能に結合され、バイアス制御信号に応答して前記バイアス回路にバイアス電圧を供給するように構成されたバイアスコントローラを更に有し、前記増幅器コントローラは、前記少なくとも1つのセンサ信号に応答して前記バイアスコントローラにバイアス制御信号を供給する請求項6に記載の電磁信号増幅器。 - 前記増幅器コントローラは、
前記レール電圧を初期値に設定し、
レール電流を測定し、
前記レール電流が目標基準を満たすかどうかを判定し、
前記レール電流が目標基準を満たさないと判定されるとバイアス電圧を増加させ、
前記レール電流が目標基準を満たすと判定されると前記バイアス電圧を記憶し、
前記レール電圧を増加させる請求項7に記載の電磁信号増幅器。 - 前記増幅器コントローラは、
レール電圧を最小値に設定し、
駆動信号を最小振幅に設定し、
出力信号を測定し、
前記出力信号が所定の基準を満たすかどうかを判定し、
前記出力信号が前記所定の基準を満たさないと判定されると、前記駆動信号が最大値に設定されているかどうかを判定し、
前記駆動信号が最大値に設定されていないと判定されると、前記駆動信号を増加させ、
前記駆動信号が最大値に設定されていると判定されると、前記レール電圧を増加させる請求項1に記載の電磁信号増幅器。 - レール電圧を最小値に設定するステップと、
駆動信号を最小振幅に設定するステップと、
出力信号を測定するステップと、
前記出力信号が所定の基準を満たすかどうかを判定するステップと、
前記出力信号が前記所定の基準を満たさないと判定されると、前記駆動信号が最大値に設定されているかどうかを判定するステップと、
l 前記駆動信号が最大値に設定されていないと判定されると、前記駆動信号を増加させるステップと、
l 前記駆動信号が最大値に設定されていると判定されると、前記レール電圧を増加させるステップと、を有する電磁信号増幅器を制御するための方法。 - 前記所定の基準はユーザ入力に応答して決定される請求項10に記載の方法。
- 前記最小レール電圧値は約0ボルト〜約30ボルトの範囲である請求項10に記載の方法。
- 前記最小レール電圧値は約14ボルトである請求項10に記載の方法。
- 前記出力基準は出力パワーである請求項10に記載の方法。
- 前記出力信号は、平方二乗平均、ピーク間、および移動平均測定の少なくとも1つによって評価される請求項10に記載の方法。
- 前記レール電圧を初期値に設定するステップと、
レール電流を測定するステップと、
前記レール電流が目標基準を満たすかどうかを判定するステップと、
前記レール電流が目標基準を満たさないと判定されるとバイアス電圧を増加させるステップと、
前記レール電流が目標基準を満たすと判定されると前記バイアス電圧を記憶するステップと、
前記レール電圧を増加させるステップと、を有する電磁信号増幅器を制御するための方法。 - 前記初期レール電圧値は約0ボルト〜約30ボルトの範囲である請求項16に記載の方法。
- 前記初期レール電圧値は約14ボルトである請求項16に記載の方法。
- 前記目標基準は、利得素子をその線形動作領域の実質的に外で動作させることを含む請求項16に記載の方法。
- 前記初期レール電圧値は前記利得素子の出力キャパシタンス特性に従って決定される請求項19に記載の方法。
- 前記目標基準は約0.1アンペアのレール電流に対応する請求項16に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/504,738 US7863984B1 (en) | 2009-07-17 | 2009-07-17 | High efficiency microwave amplifier |
US12/504,738 | 2009-07-17 |
Publications (2)
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JP2011041265A true JP2011041265A (ja) | 2011-02-24 |
JP5599248B2 JP5599248B2 (ja) | 2014-10-01 |
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US (1) | US7863984B1 (ja) |
EP (1) | EP2284989B1 (ja) |
JP (1) | JP5599248B2 (ja) |
AU (1) | AU2010203036B2 (ja) |
CA (2) | CA3014143C (ja) |
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Also Published As
Publication number | Publication date |
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EP2284989A2 (en) | 2011-02-16 |
CA3014143C (en) | 2021-10-19 |
EP2284989A3 (en) | 2017-04-26 |
CA2710048C (en) | 2018-09-25 |
EP2284989B1 (en) | 2019-08-28 |
AU2010203036A1 (en) | 2011-02-03 |
AU2010203036B2 (en) | 2013-10-31 |
US20110012679A1 (en) | 2011-01-20 |
CA2710048A1 (en) | 2011-01-17 |
US7863984B1 (en) | 2011-01-04 |
CA3014143A1 (en) | 2011-01-17 |
JP5599248B2 (ja) | 2014-10-01 |
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