JP2011061517A5 - 送信機 - Google Patents

送信機 Download PDF

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Publication number
JP2011061517A5
JP2011061517A5 JP2009209291A JP2009209291A JP2011061517A5 JP 2011061517 A5 JP2011061517 A5 JP 2011061517A5 JP 2009209291 A JP2009209291 A JP 2009209291A JP 2009209291 A JP2009209291 A JP 2009209291A JP 2011061517 A5 JP2011061517 A5 JP 2011061517A5
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Japan
Prior art keywords
delay
signal
input
amplitude
calibrator
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JP2009209291A
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JP5290098B2 (ja
JP2011061517A (ja
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Priority claimed from JP2009209291A external-priority patent/JP5290098B2/ja
Priority to US12/854,216 priority patent/US8442461B2/en
Publication of JP2011061517A publication Critical patent/JP2011061517A/ja
Publication of JP2011061517A5 publication Critical patent/JP2011061517A5/ja
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Claims (1)

  1. 振幅成分と位相成分とを合成する送信機であって、
    前記振幅成分が伝達される振幅信号経路に、前記振幅成分に応答するデジタル・アナログ変換器と前記デジタル・アナログ変換器の出力が供給されるローパスフィルタとを具備して、
    前記位相成分が伝達される位相信号経路に、前記位相成分を無線周波数成分にアップコンバートする位相変調器を具備して、
    前記振幅信号経路に、前記デジタル・アナログ変換器の入力に接続された遅延校正器を更に具備して、遅延校正動作時に前記遅延校正器の入力にテスト入力信号に供給されることによって、前記遅延校正器は前記デジタル・アナログ変換器の前記入力に前記テスト入力信号を供給するものであり、
    前記遅延校正動作時に前記ローパスフィルタの出力のテスト出力信号が前記遅延校正器に供給され、前記遅延校正器は前記テスト入力信号に対する前記テスト出力信号の遅延を検出するものであり、
    前記遅延校正動作時に、前記テスト出力信号の前記遅延に応答して前記遅延校正器は前記振幅信号経路での前記遅延校正器の前記入力から前記ローパスフィルタの前記出力までの振幅信号遅延を校正することによって、当該振幅信号遅延と前記位相信号経路の前記位相変調器の位相信号遅延との差を低減する
    ことを特徴とする送信機。
JP2009209291A 2009-09-10 2009-09-10 送信機およびそれに使用可能な半導体集積回路 Active JP5290098B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009209291A JP5290098B2 (ja) 2009-09-10 2009-09-10 送信機およびそれに使用可能な半導体集積回路
US12/854,216 US8442461B2 (en) 2009-09-10 2010-08-11 Transmitter and semiconductor integrated circuit available for it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009209291A JP5290098B2 (ja) 2009-09-10 2009-09-10 送信機およびそれに使用可能な半導体集積回路

Publications (3)

Publication Number Publication Date
JP2011061517A JP2011061517A (ja) 2011-03-24
JP2011061517A5 true JP2011061517A5 (ja) 2012-06-07
JP5290098B2 JP5290098B2 (ja) 2013-09-18

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JP2009209291A Active JP5290098B2 (ja) 2009-09-10 2009-09-10 送信機およびそれに使用可能な半導体集積回路

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US (1) US8442461B2 (ja)
JP (1) JP5290098B2 (ja)

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