JP6478253B2 - 電力増幅回路およびトランスミッタ - Google Patents
電力増幅回路およびトランスミッタ Download PDFInfo
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- 230000003321 amplification Effects 0.000 claims description 79
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 79
- 239000004065 semiconductor Substances 0.000 claims description 64
- 229910044991 metal oxide Inorganic materials 0.000 claims description 63
- 150000004706 metal oxides Chemical class 0.000 claims description 63
- 230000007423 decrease Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
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- 238000004891 communication Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Description
電力増幅トランジスタダイのドレインは、ボンディングワイヤを使用することによって第1の金属酸化物半導体キャパシタの第1の端部に接続され、第1の金属酸化物半導体キャパシタの第2の端部は接地され、
電力増幅トランジスタダイのドレインは、ボンディングワイヤを使用することによって出力マッチングネットワークに直接的に接続され、電力増幅トランジスタダイのソースは接地され、
第1の金属酸化物半導体キャパシタの第1の端部は、ボンディングワイヤを使用することによって直流デカップリングキャパシタの一端に接続され、
直流デカップリングキャパシタの他端は接地される。
本発明の実施形態1は、電力増幅回路を提供する。図5に示すように、電力増幅回路は、電力増幅トランジスタダイ(die)と、第1の金属酸化物半導体キャパシタ(Moscap1)と、直流デカップリングキャパシタ(CLF)と、出力マッチングネットワークとを含み、ここで、
電力増幅トランジスタダイ(die)のドレインは、ボンディングワイヤLB1を使用することによって第1の金属酸化物半導体キャパシタ(Moscap1)の第1の端部に接続され、第1の金属酸化物半導体キャパシタ(Moscap1)の第2の端部は接地され、
電力増幅トランジスタダイ(die)のドレインは、ボンディングワイヤLB2を使用することによって出力マッチングネットワークに直接的に接続され、電力増幅トランジスタダイ(die)のソースは接地され、
第1の金属酸化物半導体キャパシタ(Moscap1)の第1の端部は、ボンディングワイヤLB3を使用することによって直流デカップリングキャパシタ(CLF)の一端に接続され、
直流デカップリングキャパシタ(CLF)の他端は接地される。
本発明の実施形態2は図11に示される電力増幅回路をさらに提供し、これは上述の実施形態1において提供される電力増幅回路と比較して、第2の金属酸化物半導体キャパシタ(Moscap2)をさらに含む。電力増幅トランジスタダイ(die)のドレインは、2つのボンディングワイヤLB2およびLB5を使用することによって出力マッチングネットワークに直接的に特に接続される。2つのボンディングワイヤLB2とLB5との間に接続される端部は、第2の金属酸化物半導体キャパシタ(Moscap2)の第1の端部に接続され、第2の金属酸化物半導体キャパシタ(Moscap2)の第2の端部は接地される。
本発明の実施形態3は、電力増幅回路をさらに提供する。上述の実施形態1または実施形態2に基づいて、電力増幅回路は、出力マッチングネットワークに接続されるドレインバイアス回路をさらに含んでもよい。出力マッチングネットワークがドレインバイアス回路に接続されない場合、低周波数共振回路は、電力増幅トランジスタダイと、金属酸化物半導体キャパシタと、直流デカップリングキャパシタと、出力マッチングネットワークと、出力マッチングネットワークの出力端に接続される、接地されたバックエンドネットワークとを含み、これは、低周波数共振回路の比較的長い配線をもたらす。出力マッチングネットワークがドレインバイアス回路に接続される場合、低周波数共振回路は、電力増幅トランジスタダイと、金属酸化物半導体キャパシタと、直流デカップリングキャパシタと、出力マッチングネットワークと、ドレインバイアス回路とを含む。すなわち、低周波数共振回路の配線長は、ドレインバイアス回路を使用することによって短くなり、すなわち、低周波数共振回路におけるインダクタンスはさらに低減され、低周波数共振周波数は増加し、これは電力増幅回路の出力端の性能を向上することが可能である。
本発明の実施形態4は、上述の実施形態のいずれか1つに示される電力増幅回路を含む、トランスミッタを提供する。
LB1 ボンディングワイヤ
LB2 ボンディングワイヤ
LB3 ボンディングワイヤ
LB4 ボンディングワイヤ
LB5 ボンディングワイヤ
Moscap 金属酸化物半導体キャパシタ
Moscap1 金属酸化物半導体キャパシタ
Moscap2 金属酸化物半導体キャパシタ
Ropt 出力抵抗
Cds 寄生容量
CLF 直流デカップリングキャパシタ
CLF 直流デカップリングキャパシタ
CRF 無線周波数バイパスキャパシタ
die ダイ
700 マイクロストリップ
701 電力増幅トランジスタダイ(die)
702 第1の金属酸化物半導体キャパシタ(Moscap1)
703 ボンディングワイヤ
704 直流デカップリングキャパシタ(CLF)
705 出力マッチングネットワーク
800 マイクロストリップ
900 マイクロストリップ
1000 マイクロストリップ
Claims (8)
- 電力増幅トランジスタダイと、第1の金属酸化物半導体キャパシタと、直流デカップリングキャパシタと、出力マッチングネットワークとを備える電力増幅回路であって、
前記電力増幅トランジスタダイのドレインは、第1のボンディングワイヤを使用することによって前記第1の金属酸化物半導体キャパシタの第1の端部に接続され、前記第1の金属酸化物半導体キャパシタの第2の端部は接地され、
前記電力増幅トランジスタダイの前記ドレインは、第2のボンディングワイヤを使用することによって前記出力マッチングネットワークに直接的に接続され、前記電力増幅トランジスタダイのソースは接地され、
前記第1の金属酸化物半導体キャパシタの前記第1の端部は、第3のボンディングワイヤを使用することによって前記直流デカップリングキャパシタの一端に接続され、
前記直流デカップリングキャパシタの他端は接地され、前記直流デカップリングキャパシタのキャパシタンス値は、無線周波数信号の包絡信号の帯域幅制限値が減少するにつれて、より大きくなるように選択され、
前記第1の金属酸化物半導体キャパシタの前記第1の端部は、前記第3のボンディングワイヤを使用することによって、前記電力増幅回路が位置するプリント回路基板上にあり、かつ前記第1の金属酸化物半導体キャパシタと前記出力マッチングネットワークとの間にある、マイクロストリップに接続され、前記マイクロストリップは、前記直流デカップリングキャパシタの前記一端に接続される、電力増幅回路。 - 第2の金属酸化物半導体キャパシタをさらに備え、前記電力増幅トランジスタダイの前記ドレインは、2つのボンディングワイヤを使用することによって前記出力マッチングネットワークに直接的に特に接続され、前記2つのボンディングワイヤの間の接続端は、前記第2の金属酸化物半導体キャパシタの第1の端部に接続され、前記第2の金属酸化物半導体キャパシタの第2の端部は接地される、請求項1に記載の電力増幅回路。
- 前記第1の金属酸化物半導体キャパシタの前記第1の端部は、前記第3のボンディングワイヤを使用することによって、前記電力増幅回路が位置する前記プリント回路基板上にあり、かつ前記第1の金属酸化物半導体キャパシタの側にある、マイクロストリップに特に接続される、請求項1に記載の電力増幅回路。
- 前記第1の金属酸化物半導体キャパシタの前記第1の端部は、前記第3のボンディングワイヤを使用することによって、前記電力増幅回路が位置する前記プリント回路基板上にあり、かつ前記出力マッチングネットワークの側にある、マイクロストリップに特に接続される、請求項1に記載の電力増幅回路。
- 入力マッチングネットワークをさらに備え、前記電力増幅トランジスタダイのゲートは、第4のボンディングワイヤを使用することによって前記入力マッチングネットワークに直接的に接続される、請求項1〜4のいずれか一項に記載の電力増幅回路。
- 前記出力マッチングネットワークに接続されるドレインバイアス回路をさらに備える、請求項1〜5のいずれか一項に記載の電力増幅回路。
- 前記直流デカップリングキャパシタは、特にナノファラッドレベルのキャパシタまたはマイクロファラッドレベルのキャパシタである、請求項1〜6のいずれか一項に記載の電力増幅回路。
- 請求項1〜7のいずれか一項に記載の前記電力増幅回路を備える、トランスミッタ。
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WO2015139311A1 (zh) | 2015-09-24 |
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