JP2009504064A - 多重周波数源システムのためのオフセット信号位相調整 - Google Patents
多重周波数源システムのためのオフセット信号位相調整 Download PDFInfo
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- H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
- H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
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- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
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Abstract
【選択図】 図2A
Description
「多重周波数源システムにおける位相プリングを緩和するシステム及び方法(System and Method for Mitigating Phase Pulling in a Multiple Frequency Source System)」、国際出願PCT/IB2006/052634、整理番号RFM−17−PCT。
2005年8月2日出願の「多重周波数源システムのためのオフセット信号位相調整(Offset Signal Phasing for a Multiple Frequency Source System)」、米国特許出願第60/595,749号、及び
2005年8月2日出願の「多重周波数源システムにおける位相プリングを緩和するシステム及び方法(System and Method for Mitigating Phase Pulling in a Multiple Frequency Source System)」、米国特許出願第60/595,750号。
式中、nは同時に動作する周波数源の数である。
Claims (27)
- 同時に動作する複数の周波数源を用いるように構成され、前記複数の周波数源の1つ又は複数に供給される入力信号が、その他の周波数源の1つ又は複数に供給される入力信号に対して位相オフセットされる同調可能なシステムであって、
基準入力信号を受け取るように結合された入力と、第1の周波数源信号を提供する出力とを有する第1の周波数源と、
前記入力基準信号を受け取るように結合された入力と出力とを有し、前記入力基準信号に既定の位相遅延を適用して位相遅延入力信号を生み出すように動作する位相遅延素子と、
前記第1の周波数源と同時に動作するように構成され、前記位相遅延入力信号を受け取るように結合された入力と、第2の周波数源信号を提供する出力とを有する第2の周波数源と
を備えるシステム。 - 前記位相遅延素子がインバータ素子を備え、前記第1の周波数源信号と前記第2の周波数源信号が、実質的に180度位相がずれている、請求項1に記載のシステム。
- 前記第1の周波数源と前記第2の周波数源の少なくとも1つが位相ロックループ回路を備える、請求項1に記載のシステム。
- 前記第1の周波数源に結合された偶数の直列結合のインバータをさらに備え、前記位相遅延素子が、直列結合で配列された前記偶数+1個のインバータを備える、請求項1に記載のシステム。
- 前記位相遅延素子が、前記システム入力信号に第1の既定の位相遅延を適用して第1の位相遅延入力信号を生み出すように動作する第1の位相遅延素子を備え、
当該システムが、
前記基準入力信号を受け取るように結合された入力と、出力とを有し、前記入力基準信号に第2の既定の位相遅延を適用して第2の位相遅延入力信号を生み出すように動作する第2の位相遅延素子と、
第2の位相遅延入力信号を受け取るように結合された入力と、第3の周波数源信号を提供する出力とを有する第3の周波数源と
をさらに備える、請求項1に記載のシステム。 - 前記位相遅延素子が、前記入力信号に第1の既定の位相遅延を適用して第1の位相遅延入力信号を生み出すように動作する第1の位相遅延素子を備え、
当該システムが、
前記第1の遅延入力信号を受け取るように結合された入力と、出力とを有し、前記供給される第1の位相遅延入力信号に第2の既定の位相遅延を提供して第2の位相遅延入力信号を生み出すように動作する第2の位相遅延素子と、
第2の位相遅延基準信号を受け取るように結合された入力と、第3の周波数源信号を提供する出力とを有する第3の周波数源と
をさらに備える、請求項1に記載のシステム。 - 前記基準入力信号が、0度の位相基準で動作するものとして定義され、前記第1と第2の位相遅延素子が、第1と第2の位相オフセットを提供して、それぞれの第1と第2の位相遅延入力信号を生み出すように動作し、前記基準入力信号、前記第1の位相遅延入力信号、及び前記第2の位相遅延基準信号が、180度の位相範囲にわたって等間隔で配置される、請求項5に記載のシステム。
- 前記基準入力信号が、0度の位相基準で動作するものとして定義され、前記第1と第2の位相遅延素子が、第1と第2の位相オフセットを提供して、それぞれの第1と第2の位相遅延入力信号を生み出すように動作し、前記基準入力信号、前記第1の位相遅延入力信号、及び前記第2の位相遅延基準信号が、180度の位相範囲にわたって等間隔で配置される、請求項6に記載のシステム。
- 前記第1の遅延素子が、第1の直列結合のインバータ素子配列を備え、前記第1の直列結合のインバータ素子配列の合計遅延時間が、実質的に、前記第1の位相オフセットと等価である、請求項7に記載のシステム。
- 前記第1の遅延素子が、第1の直列結合のインバータ素子配列を備え、前記第1の直列結合のインバータ素子配列の合計遅延時間が、実質的に、前記第1の位相オフセットと等価である、請求項8に記載のシステム。
- 前記第2の遅延素子が、第2の直列結合のインバータ素子配列を備え、前記第2の直列結合のインバータ素子配列の合計遅延時間が、実質的に、前記第2の位相オフセットと等価である、請求項11に記載のシステム。
- 前記第2の遅延素子が、直列結合の奇数のインバータ素子配列を備え、基準入力信号が、前記奇数のインバータ素子より1つ少ない数の直列のインバータ素子配列を介した伝送によって生成される、請求項12に記載のシステム。
- 同時に動作する複数の周波数源を用いるように構成され、前記複数の周波数源の1つ又は複数に供給される入力信号が、その他の周波数源の1つ又は複数に供給される入力信号に対して位相オフセットされる同調可能なシステムであって、
基準入力信号を受け取るように結合された入力と、第1の周波数源信号を提供する出力とを有する第1の周波数源と、
前記入力基準信号を受け取るように結合された入力と、出力とを有し、前記入力基準信号に第1の既定の位相遅延を適用して位相遅延入力信号を生み出すように動作する第1の位相遅延素子と、
前記第1の周波数源と同時に動作するように構成され、前記第1の位相遅延入力信号を受け取るように結合された入力と、第2の周波数源信号を提供する出力とを有する第2の周波数源と、
前記基準入力信号を受け取るように結合された入力と、出力とを有し、前記入力基準信号に第2の既定の位相遅延を適用して第2の位相遅延入力信号を生み出すように動作する第2の位相遅延素子と、
前記第1と第2の周波数源と同時に動作するように構成され、前記第2の位相遅延入力信号を受け取るように結合された入力と、第3の周波数源信号を提供する出力とを有する第3の周波数源と
を備えるシステム。 - 前記基準入力信号が、0度の位相基準で動作するものとして定義され、前記第1と第2の位相遅延素子が、第1と第2の位相オフセットを提供して、それぞれの第1と第2の位相遅延入力信号を生み出すように動作し、前記基準入力信号、前記第1の位相遅延入力信号、及び前記第2の位相遅延基準信号が、180度の位相範囲にわたって等間隔で配置される、請求項15に記載のシステム。
- 前記第1の遅延素子が、第1の直列結合のインバータ素子配列を備え、前記第1の直列結合のインバータ素子配列の合計遅延時間が、実質的に、前記第1の位相オフセットと等価である、請求項17に記載のシステム。
- 前記第2の遅延素子が、直列結合の奇数のインバータ素子配列を備え、基準入力信号が、前記奇数のインバータ素子より1つ少ない数の直列のインバータ素子配列を介した伝送によって生成される、請求項18に記載のシステム。
- 複数n個の同時に動作する周波数源であり、それぞれが、前記周波数源を高電流モードで動作するように制御する入力信号を受け取る前記周波数源を用いるように構成された同調可能なシステムにおいて、オフセット信号位相調整を使って前記システムを動作させる方法であって、
前記複数の周波数源の中から、基準入力信号を受け取る基準周波数源を識別するステップと、
残りの前記周波数源のそれぞれに供給される残りの前記入力信号のそれぞれの位相オフセットを算出するステップと、
前記残りのn−1個の入力信号それぞれに前記算出される位相オフセットを適用して、前記残りの入力信号の前記周波数源のそれぞれへの印加を遅延させるステップと
を含む方法。 - 位相オフセットを算出する前記ステップが、180度の位相範囲にわたって、前記残りの入力信号に等間隔の位相オフセットを算出するステップを含む、請求項20に記載の方法。
- 前記残りのn−1個の入力信号それぞれに前記算出される位相オフセットを適用する前記ステップが、前記残りのn−1個の入力信号の少なくとも1つに直列カスケード接続のインバータ素子配列を通過させるステップを含む、請求項20に記載の方法。
- 前記直列カスケード接続の配列が、奇数のインバータ素子を備える、請求項23に記載の方法。
- 前記直列カスケード接続のインバータ素子の数が、前記算出される位相オフセットと実質的に等価な時間遅延を提供するように動作する、請求項23に記載の方法。
- 前記基準入力信号が、前記奇数のインバータ素子より1つ少ないインバータ素子を備える、直列カスケード接続の偶数のインバータ素子の配列を介して前記基準周波数源に供給される、請求項24に記載の方法。
- 複数n個の同時に動作する周波数源であり、それぞれが、前記周波数源を高電流モードで動作するように制御する入力信号を受け取る前記周波数源を用いるように構成された同調可能なシステムと共に動作するための、コンピュータ可読媒体上にあるコンピュータプログラム製品であって、
前記複数の周波数源の中から、基準入力信号を受け取る基準周波数源を識別する命令コードと、
残りの前記周波数源のそれぞれに供給される残りの前記入力信号のそれぞれの位相オフセットを算出する命令コードと、
前記残りのn−1個の入力信号それぞれに前記算出される位相オフセットを適用して、前記残りの入力信号の前記周波数源のそれぞれへの印加を遅延させる命令コードと
を備えるコンピュータプログラム製品。
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US20070176663A1 (en) | 2007-08-02 |
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US7528665B2 (en) | 2009-05-05 |
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US7653370B2 (en) | 2010-01-26 |
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JP2009504063A (ja) | 2009-01-29 |
EP1911185A2 (en) | 2008-04-16 |
JP4245658B2 (ja) | 2009-03-25 |
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ATE535065T1 (de) | 2011-12-15 |
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