无线电工程
無線電工程
무선전공정
RADIO ENGINEERING OF CHINA
2015年
8期
69-72
,共4页
小型化%低功耗%PLL
小型化%低功耗%PLL
소형화%저공모%PLL
miniaturization%low power consumption%PLL
针对导航设备的小型化、低功耗等性能的发展需求，需要对L波段下变频器进行小型化、低功耗设计。通过采用一体化、分层次设计印制板，取消传统的物理隔腔等措施来缩减制板尺寸，实现小型化。采用开关、线性稳压器混合应用以及精选低功耗器件来实现下变频器的低功耗性能。通过优化链路设计以及高精度数控衰减器的应用，增强了下变频器的适配性。通过实物加工测试表明，该设计有效地解决了下变频器的小型化、低功耗等问题。
針對導航設備的小型化、低功耗等性能的髮展需求，需要對L波段下變頻器進行小型化、低功耗設計。通過採用一體化、分層次設計印製闆，取消傳統的物理隔腔等措施來縮減製闆呎吋，實現小型化。採用開關、線性穩壓器混閤應用以及精選低功耗器件來實現下變頻器的低功耗性能。通過優化鏈路設計以及高精度數控衰減器的應用，增彊瞭下變頻器的適配性。通過實物加工測試錶明，該設計有效地解決瞭下變頻器的小型化、低功耗等問題。
침대도항설비적소형화、저공모등성능적발전수구，수요대L파단하변빈기진행소형화、저공모설계。통과채용일체화、분층차설계인제판，취소전통적물리격강등조시래축감제판척촌，실현소형화。채용개관、선성은압기혼합응용이급정선저공모기건래실현하변빈기적저공모성능。통과우화련로설계이급고정도수공쇠감기적응용，증강료하변빈기적괄배성。통과실물가공측시표명，해설계유효지해결료하변빈기적소형화、저공모등문제。
With the development of miniaturization and low power consumption of navigation devices,the requirement of miniaturi?zation and low power consumption of L?band down?converter has become more rigorous.By applying integrated,layered design,the tradi?tional physical partition is cancelled to reduce the size of PCB and realize the miniaturization;by applying the mixture of switch and lin?ear regulator and careful selection of low power consumption devices,the converter’ s low power consumption is realized;Through the data link design optimization and utilization of high?precision numerical controlled attenuator, the adaptability of down?converter is improved.The machining test results show that the design can efficiently solved the problem of miniaturization and low power consump?tion of down?converter.
