A 6-9 GHz 5-band CMOS synthesizer for MB-OFDM UWB
An ultra-wideband frequency synthesizer is designed to generate carrier frequencies for 5 bands distributed from 6 to 9 GHz with less than 3 ns switching time.It incorporates two phase-locked loops and one single-sideband （SSB） mixer.A 2-to-1 multiplexer with high linearity is proposed.A modified wi...
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| Veröffentlicht in: | Journal of semiconductors 2010-07, Vol.31 (7), p.72-78 |
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| container_issue | 7 |
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| container_title | Journal of semiconductors |
| container_volume | 31 |
| creator | 陈普锋 李志强 王小松 张海英 叶甜春 |
| description | An ultra-wideband frequency synthesizer is designed to generate carrier frequencies for 5 bands distributed from 6 to 9 GHz with less than 3 ns switching time.It incorporates two phase-locked loops and one single-sideband （SSB） mixer.A 2-to-1 multiplexer with high linearity is proposed.A modified wideband SSB mixer,quadrature VCO, and layout techniques are also employed.The synthesizer is fabricated in a 0.18μm CMOS process and operates at 1.5-1.8 V while consuming 40 mA current.The measured phase noise is -128 dBc/Hz at 10 MHz offset,and the sideband rejection is -22 dBc at 7.656 GHz. |
| doi_str_mv | 10.1088/1674-4926/31/7/075001 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1674-4926 |
| ispartof | Journal of semiconductors, 2010-07, Vol.31 (7), p.72-78 |
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| language | eng |
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| source | IOP Publishing Journals; Alma/SFX Local Collection |
| subjects | CMOS OFDM 分布式交换 多路复用 波段 超宽带 载波频率 频率合成器 |
| title | A 6-9 GHz 5-band CMOS synthesizer for MB-OFDM UWB |
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