JP2013141291A - 内部における高調波周波数低減を伴うrfパワートランジスタパッケージ、及び内部における高調波周波数低減を伴うrfパワートランジスタパッケージを形成する方法 - Google Patents
内部における高調波周波数低減を伴うrfパワートランジスタパッケージ、及び内部における高調波周波数低減を伴うrfパワートランジスタパッケージを形成する方法 Download PDFInfo
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Abstract
【解決手段】基本動作周波数で動作するように構成されたトランジスタを具備するパッケージ化されたRFパワーデバイスは、さらに、トランジスタの制御端子および/または出力端子から接地までの短絡回路または低インピーダンス経路を提供するように構成された高調波低減器(harmonic reducer)を備える。
【選択図】図1A
Description
Claims (24)
- 制御端子および出力端子を有し、基本動作周波数で動作するように構成されたトランジスタと、
前記トランジスタの前記制御端子に結合されたRF信号入力リードと、
前記トランジスタの前記出力端子に結合されたRF信号出力リードと、
前記トランジスタの前記制御端子および/または前記出力端子に結合され、前記基本動作周波数の高調波周波数の信号に対して、前記制御端子および/または前記出力端子から接地までの短絡回路または低インピーダンス経路を提供するように構成された高調波低減器と、
前記トランジスタ及び前記高調波低減器を収容するパッケージであって、前記パッケージから、前記RF信号入力リード及び前記RF信号出力リードが延在するパッケージと
を備えることを特徴とするパッケージ化されたRFパワーデバイス。 - 前記高調波低減器は、前記トランジスタの前記出力端子に接続されていることを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。
- 前記高調波低減器は、前記トランジスタの前記制御端子に接続されていることを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。
- 前記トランジスタの前記出力端子に接続された出力側の高調波低減器をさらに備えることを特徴とする請求項3に記載のパッケージ化されたRFパワーデバイス。
- 前記高調波低減器は入力側の高調波低減器を備え、
前記入力側の高調波低減器は、第1のキャパシタンスを有する第1のコンデンサを備え、前記出力側の高調波低減器は、前記第1のキャパシタンスとは異なる第2のキャパシタンスを有する第2のコンデンサを備えることを特徴とする請求項4に記載のパッケージ化されたRFパワーデバイス。 - 前記RF信号入力リードと前記トランジスタの前記制御端子との間に入力整合回路をさらに備え、
前記高調波低減器は、前記入力整合回路と前記トランジスタの前記制御端子との間に結合されていることを特徴とする請求項3に記載のパッケージ化されたRFパワーデバイス。 - 前記RF信号出力リードと前記トランジスタの前記出力端子との間に出力整合回路をさらに備え、
前記高調波低減器は、前記出力整合回路と前記トランジスタの前記出力端子との間に結合されていることを特徴とする請求項3に記載のパッケージ化されたRFパワーデバイス。 - 前記RF信号出力リードと前記トランジスタの前記出力端子との間に出力整合回路を、かつ/または、前記RF信号入力リードと前記トランジスタの前記制御端子との間に入力整合回路をさらに備えることを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。
- 前記高調波低減器は、接地端子に直列に接続された誘導素子および分路コンデンサを有する直列共振回路を備えることを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。
- ベースをさらに備え、
前記トランジスタは前記ベース上に存在し、前記分路コンデンサは、前記ベース上の前記トランジスタと前記RF出力リードとの間に存在することを特徴とする請求項9に記載のパッケージ化されたRFパワーデバイス。 - 前記誘導素子は、前記トランジスタから前記分路コンデンサまで延在するボンドワイヤを備えることを特徴とする請求項10に記載のパッケージ化されたRFパワーデバイス。
- 前記トランジスタから前記RF出力リードまで前記分路コンデンサの上を延在する第2のボンドワイヤをさらに備えることを特徴とする請求項11に記載のパッケージ化されたRFパワーデバイス。
- 前記高調波低減器は、開回路の1/4波長伝送線路スタブを備えることを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。
- 前記開回路の1/4波長伝送線路スタブは、前記基本動作周波数の前記高調波周波数の信号に対して、接地までの前記短絡回路または低インピーダンス経路を提供するように選択された長さを有することを特徴とする請求項13に記載のパッケージ化されたRFパワーデバイス。
- 前記基本動作周波数の前記高調波周波数は、前記基本動作周波数の2次高調波周波数を含むことを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。
- 前記トランジスタは第1のトランジスタを備え、前記高調波低減器は第1の高調波低減器を備え、前記パッケージは、
制御端子および出力端子を有し、前記基本動作周波数で動作するように構成された第2のトランジスタであって、前記RF信号入力リードは前記第2のトランジスタの前記制御端子に結合され、前記RF信号出力リードは前記第2のトランジスタの前記出力端子に結合されている第2のトランジスタと、
前記第2のトランジスタの前記制御端子および/または前記出力端子に結合され、前記基本動作周波数の高調波周波数の信号に対して、前記第2のトランジスタの前記制御端子および/または前記出力端子から接地までの短絡回路または低インピーダンス経路を提供するように構成された第2の高調波低減器と
をさらに備え、
前記パッケージは、前記第2のトランジスタおよび前記第2の高調波低減器も収容することを特徴とする請求項1に記載のパッケージ化されたRFパワーデバイス。 - 制御端子および出力端子を有し、基本動作周波数で動作するように構成されたトランジスタと、
前記トランジスタの前記制御端子に結合されたRF信号入力リードと、
前記トランジスタの前記出力端子に結合されたRF信号出力リードと、
前記トランジスタの前記制御端子および/または前記出力端子に結合され、前記基本動作周波数のN次の高調波周波数の信号に対して(ただしN>1)、前記制御端子および/または前記出力端子から接地までの短絡回路または低インピーダンス経路を提供するように構成された高調波低減器と、
前記トランジスタおよび前記高調波低減器を収容するパッケージであって、前記パッケージから、前記入力リード及び前記号出力リードが延在するパッケージと
を備えることを特徴とするパッケージ化されたRFパワーデバイス。 - 前記パッケージ内に収容され、前記トランジスタの前記制御端子および/または前記出力端子に結合された追加の高調波低減器をさらに備え、
前記追加の高調波低減器は、前記基本動作周波数のM次の高調波周波数の信号に対して(ただし、M>1かつM≠N)、前記制御端子および/または第2の出力端子から接地までの第2の短絡回路または低インピーダンス経路を提供するように構成されていることを特徴とする請求項17に記載のパッケージ化されたRFパワーデバイス。 - 前記高調波低減器および前記追加の高調波低減器はそれぞれ、誘導素子およびコンデンサを有する直列共振回路を備えることを特徴とする請求項18に記載のパッケージ化されたRFパワーデバイス。
- 前記高調波低減器および前記他の高調波低減器のうちの少なくとも1つは、開回路の1/4波長伝送線路スタブを備えることを特徴とする請求項18に記載のパッケージ化されたRFパワーデバイス。
- パッケージ化されたRFパワーデバイスを形成する方法であって、
制御端子および出力端子を有し、基本動作周波数で動作するように構成されたトランジスタをベース上に取り付けるステップと、
前記ベース上に高調波信号低減器を形成し、前記高調波信号低減器を、前記トランジスタの前記制御端子および/または前記出力端子に接続するステップであって、前記高調波信号低減器は、前記基本動作周波数のN次の高調波周波数の信号に対して(ただしN>1)、前記制御端子および/または前記第2の出力端子から接地までの短絡回路または低インピーダンス経路を提供するように構成されているものであるステップと、
前記ベースの両側にRF信号入力リード及びRF信号出力リードを設けるステップと、
前記RF信号入力リードを前記制御端子に接続し、前記RF信号出力リードを前記出力端子に接続するステップと、
前記トランジスタおよび前記高調波低減器を収容するパッケージを形成するステップであって、前記パッケージから前記RF信号入力リード及び前記RF信号出力リードが延在するステップと
を含むことを特徴とする方法。 - 前記高調波信号低減器を形成するステップは、前記ベース上にコンデンサを設けるステップと、前記コンデンサと前記トランジスタとの間にワイヤボンド接続を形成するステップとを含むことを特徴とする請求項21に記載の方法。
- 前記ベース上に前記コンデンサを設けるステップは、前記ベース上の前記トランジスタの前記出力端子と前記RF信号出力リードとの間に前記コンデンサを設けるステップを含み、
前記ワイヤボンド接続を形成するステップは、前記コンデンサと前記トランジスタの前記出力端子との間に前記ワイヤボンド接続を形成するステップを含むことを特徴とする請求項22に記載の方法。 - 前記RF信号出力リードを前記出力端子に接続するステップは、前記出力端子から前記RF信号出力リードまで前記コンデンサの上を延在するボンドワイヤを有する第2のワイヤボンド接続を形成するステップを含むことを特徴とする請求項23に記載の方法。
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EP2162914A2 (en) | 2010-03-17 |
US20080315392A1 (en) | 2008-12-25 |
WO2009002387A3 (en) | 2009-02-19 |
US8076994B2 (en) | 2011-12-13 |
WO2009002387A2 (en) | 2008-12-31 |
JP2010531060A (ja) | 2010-09-16 |
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