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dc.contributor.author林炯宏en_US
dc.contributor.authorJon-Hong Linen_US
dc.contributor.author高曜煌en_US
dc.contributor.authorYao-Huang Kaoen_US
dc.date.accessioned2014-12-12T02:25:52Z-
dc.date.available2014-12-12T02:25:52Z-
dc.date.issued2000en_US
dc.identifier.urihttp://140.113.39.130/cdrfb3/record/nctu/#NT890435088en_US
dc.identifier.urihttp://hdl.handle.net/11536/67367-
dc.description.abstract本文利用封包截平及回復法（EER）解決現代行動通訊對功率放大器線性度及效率之要求，特別針對封包放大器之有效頻寬及訊號延遲加以探討。本文提出單電壓極性切換脈寬調變技術應用於封包放大器之設計上，可同時解決由於元件切換速度不足所造成之頻寬不足及時間延遲過長的問題，進而提昇EER功率放大器之頻寬及線性度。並經由高頻模擬軟體ADS驗證EER系統應用於IS-95系統中之可行性。zh_TW
dc.description.abstractEnvelope elimination and restoration （EER）method is proposed to improve linearity and efficiency of power amplifier for modern digital mobile communication system. The limitations of bandwidth and signal delay in the EER amplifier are intensively examined. The technique of PWM (pulse width modulation) with unipolar voltage switching is presented to solve the problems of limited bandwidth and signal delay caused by low switching speed of the components simultaneously. In the meantime, the performance of the new EER amplifier applying to IS-95 system is studied by ADS.en_US
dc.language.isozh_TWen_US
dc.subject封包截平及回復法zh_TW
dc.subject功率放大器zh_TW
dc.subject單電壓極性切換zh_TW
dc.subjectEERen_US
dc.subjectpower amplifieren_US
dc.subjectunipolar voltage switchingen_US
dc.title應用單極性電壓切換脈寬調變技術之高效率EER功率放大器之分析zh_TW
dc.titleAnalysis of High Efficient EER Power Amplifier employing PWM with Unipolar Voltage Switchingen_US
dc.typeThesisen_US
dc.contributor.department電信工程研究所zh_TW
Appears in Collections:Thesis


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