万方数据
万方数据
万方数据
万方数据
342电子器件第32卷
figureofthemixeris10.8dB.1tisagood
resuItforthemixer,andissuitablefor3Greceivers.
TableI雕—h1咖ce伴盯mkte隋
PARAME丁ERVALUE
Supplyvoltage1.8V
Centerfrequency2.1GHz
Sll一28dB
S33—25dB
&2—35dB
P1(dB)一10.65d&n
IIP31.25dBm
Gain7dB
Noisefigure10.8dB
DCpower14.4mW
■P■■m耐Rol■鼬
≤Ⅳ
。兰匹
s掇
帕mnqIo
(c)Simtjlation佗suItofIIP3(f)Simulation嘲Illtofthcgain
“¨M^m‰‰h‘Ⅲ
鲁
t衄Ib
(g)simulation惜unof吐t∞雠fi罂R
Fig.7simulationresultsofthedo啊卜converSionIIli聪r3LayoutofDowII.ConVersionMixerThe1ayoutofdown-conVersionmixerwhichisdrawnbymeansofvirtuosoLayoutEditorisshowninFig.8.Itincludesinputandmixingunits,matchingandbiasunits.MitsuiprotectionringisusedforallofM()stransistorsandintegrat—edinductorinordertorestrainmolestation.Thesquarespiralinductorisselectedinthelayout,andisrealizedbythefifth-layermetalwhichisthethickestlayer.ThereforeQvalueoftheinductorisimproved.Thesheetresistivityofpolycrystallinesiliconwaferis5Q/口.Theredundancyispre-servedinthedesign,andthefinalareaoflayoutis1.7mm×1.2m札
Fig.8Layoutofthedowr卜conversionmixer
Thedow什.oOnversionInixerisdesi星删basedon1瓢配O.25肿CM06proce躐ItisoncLaSsicalGil—bertunit.Thestructul陀ofthedrcuitisimprovedand
s锄e
perfbrmancesareoptiITlizedDeSignprooedureaJldsimulationresultsauregi、陀ninthispapeLA900dimpedancematchingisrealized
betv雠n
inputandout—putVolt越弦andp()wer
ofp()wersupplyareredu。edbecauSeaIj:oscillatingloopisusedas瑾啪_owbanda】H饥ts0、Irc巴7n论n、dhodsafbcrea螽ngcunentandd阳.eausingt粼nductanceareuSedforobtainingtheline撕ty.Attheend,thelayoutoftherelatedcircuitisdra、釉bymeansofVirtuosoI棚,outEditor.nlere-SultsofdesignshawthatthernjXerissuitableforap-plicationin3G.
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Elect训∞Illdus—
try,2002.
(下转第346页)
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346电子器件第32卷
图7采样频率为200MHz,信号频率为5MHz时输出频谱分析
5结论
设计了一种10bit200MSPS电流型DAC,设计采用CRR技术以及新型的锁存电路,电源电压为1.8V,在50Q负载条件下,满量程输出电流为4mA,功耗为15mw。微分非线性误差(DNL)为O.25I郧,积分非线性误差(INL)为o.15I—SB。当采样频率为200MHz时,输人频率为5MHz的情况下,无杂散动态范围达到79.7dB。信噪比(SNR)为61.7dB,另外其建立时间仅0.9nS。
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Letters,2000,36(4):696—697. 万方数据
2.1 GHz射频CMOS混频器设计
作者:李恩玲, 苑永霞, 褚蒙, 王雪, LI En-ling, YUAN Yong-xia, CHU Meng, WANG Xue 作者单位:西安理工大学理学院,西安,710048
刊名:
电子器件
英文刊名:CHINESE JOURNAL OF ELECTRON DEVICES
年,卷(期):2009,32(2)
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