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国家高技术研究发展计划(2009AA011605): 作品数：27被引量：16H指数：2; 导出分析报告; 相关作者：谈熙闵昊洪志良闫娜曾真更多>>; 相关机构：复旦大学武汉大学公安部第三研究所更多>>; 相关期刊：《计算机工程》《固体电子学研究与进展》《Journal of Semiconductors》更多>>; 相关主题：CMOSVCODACRECEIVERLNA更多>>; 相关领域：电子电信自动化与计算机技术电气工程化学工程更多>>

应用于脉冲式超宽带接收机的低功耗欠采样电路: 《固体电子学研究与进展》2013年第2期162-168,共7页顾纯辰邵轲洪志良; 国家863资助项目(2009AA011605);东南大学无线通信国家重点实验室的支持; 给出了一款应用于脉冲式超宽带(IR-UWB)接收机的低功耗采样电路设计方案。该采样电路使用0.13μmCMOS工艺,采样速率达到了4.224GS/s。在设计中,应用了等效采样技术来提高采样电路的整体采样速率。同时使用了失调校准技术来消除各通道本...; 关键词：脉冲式超宽带欠采样超高速采样电路失调校准等效采样技术

A 14-bit 1-GS/s DAC with a programmable interpolation filter in 65 nm CMOS被引量：1: 《Journal of Semiconductors》2013年第2期78-85,共8页赵琦李冉邱东易婷 Bill Yang Liu 洪志良; Project supported by the National High Technology Research and Development Program of China(No.2009AA011605);the National Natural Science Foundation of China(No.61076027); A programmable 14-bit 1-GS/s current-steering digital-to-analog converter is presented. It features a selectable interpolation rate （2x/4x/8x） with a programmable interpolation filter. To improve the high-frequency ...; 关键词：DAC high speed high resolution PROGRAMMABLE

一种适合于硬件实现的数字预失真算法: 《计算机工程》2012年第7期230-232,共3页董传盛曾真谈熙闵昊; 国家"863"计划基金资助项目(2009AA011605);"核高基"重大专项(2009ZX01031-003-002);国家自然科学基金资助项目(61076028); 传统的数字基带预失真算法较复杂不易实现。为此,设计一种适合于硬件实现的数字预失真算法。考虑对模拟射频部分引入的环路延迟和相位偏转的补偿,采用2块大小为32×16的查找表作为预失真模块,存储针对不同输入幅度信号的调整系数,以预...; 关键词：功率放大器预失真查找表硬件实现环路延迟相位粗旋转

Adaptive IF selection and IQ mismatch compensation in a low-IF GSM receiver被引量：1: 《Journal of Semiconductors》2012年第6期71-78,共8页张成王丽芳谈熙闵昊; supported by the Important National Science and Technology Specific Projects of China(No.2009ZX01031-003-002);the National High Technology Research and Development Program of China(No.2009AA011605);the National Natural Science Foundation of China(No.61076028); This paper presents an algorithm that can adaptively select the intermediate frequency（IF） and compensate the IQ mismatch according to the power ratio of the adjacent channel interference to the desired signal in a ...; 关键词：low-IF adaptive selection phase error IRR LMS algorithm power ratio

Analysis and implementation of derivative superposition for a power amplifier driver: 《Journal of Semiconductors》2012年第4期81-88,共8页李一雷韩科峰闫娜谈熙闵昊; Project supported by the Important National Science and Technology Specific Projects of China(Nos.2009ZX01031-003-002, 2010ZX03001-004);the National High Technology Research and Development Program of China(No.2009AA011605); A new expression is proposed to analyze the linearization effectiveness of derivative superposition （DS） with large and small signal inputs, and different optimization methods of DS are found for different input mag...; 关键词：AMPLIFIER LINEARITY derivative superposition

Analysis and implementation of an improved recycling folded cascode amplifier: 《Journal of Semiconductors》2012年第2期64-70,共7页Li Yilei Han Kefeng Yan Na Tan Xi Min Hao; supported by Important National Science and Technology Specific Projects of China(No.2009ZX01031-003-002);the National High Technology Research and Development Program of China(No.2009AA011605);the Important National Science & Technology Specific Projects of China(No.2010ZX03001-004); A generally improved recycling folded cascode（IRFC） is analyzed and implemented.Analysis and comparisons among the IRFC,the original recycling folded cascode（RFC） and the conventional folded cascode （FC） are mad...; 关键词：CMOS operational amplifiers TRANSCONDUCTANCE noise low-power circuits

Analysis and design of a high-linearity receiver RF front-end with an improved 25%-duty-cycle LO generator for WCDMA/GSM applications被引量：1: 《Journal of Semiconductors》2012年第2期96-105,共10页Hu Song Li Weinan Huang Yumei Hong Zhiliang; supported by the National Science and Technology Major Project of China(No.2009ZX01031-003-002);the National High Technology Research and Development Program of China(No.2009AA011605); A rally integrated receiver RF front-end that meets WCDMA/GSM system requirements is presented.It supports SAW-less operation for WCDMA.To improve the linearity in terms of both IP3 and IP2,the RF front-end is compris...; 关键词：RECEIVER MULTI-MODE MULTI-BAND SAW-less IP2 calibration 25% duty-cycle

A 3 to 5 GHz low-phase-noise fractional-N frequency synthesizer with adaptive frequency calibration for GSM/PCS/DCS/WCDMA transceivers被引量：1: 《Journal of Semiconductors》2012年第1期80-85,共6页Pan Yaohua Mei Niansong Chen Hu Huang Yumei Hong zhiliang; Project supported by the National High Technology Research and Development Program of China(No.2009AA011605); A low-phase-noise E-A fractional-N frequency synthesizer for GSM/PCS/DCS/WCDMA transceivers is presented. The voltage controlled oscillator is designed with a modified digital controlled capacitor array to extend the ...; 关键词：phase-locked loop loop stability analysis voltage controlled oscillation phase noise

A high dynamic range linear RF power detector with a preceding LNA被引量：1: 《Journal of Semiconductors》2012年第1期107-113,共7页Dai Yingbo Han Kefeng Yan Na Tan Xi; Project supported by the Important National Science & Technology Specific Projects,China(No.2010ZX03001-004);the National High Technology Research and Development Program of China(No.2009AA011605); A design of high dynamic range linear radio frequency power detector （PD）, aimed for transmitter carrier leakage suppression is presented in this paper. Based on the logarithmic amplifier principle, this detector ut...; 关键词：logarithmic amplifier successive detection low noise amplifier （LNA） DC offset cancelling （DCOC） power detector （PD）

双模系统信道估计FFT处理器的硬件实现: 《计算机工程》2011年第21期205-207,共3页陈琛杨玉庆闫娜; 国家"863"计划基金资助重点项目(2009AA011605); 针对GSM/TD-SCDMA双模系统的信道估计问题,设计一个32/128点可配置的FFT/IFFT处理器。采用一种新的4路MRMDF结构同时处理4路信号,并支持4路多输入多输出系统。仿真结果表明,该处理器能以较少的硬件消耗使数据吞吐率提高4倍,在110 MHz的...; 关键词：双模系统信道估计可配置处理器多输入多输出数据吞吐率

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