LINEARITY

作品数：173被引量：141H指数：5
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A 600W Broadband Doherty Power Amplifier with Improved Linearity for Wireless Communication System
《China Communications》2017年第2期21-29,共9页Jing Li Wenhua Chen Qian Zhang 
supported in part by the National Basic Research Program of China (Grant No. 2014CB339900);the National Science and Technology Major Project of the Ministry of Science and Technology of China (Grant No. Grant 2015ZX03002002 and Grant 2016ZX03002009, and Grant 2016ZX03001005);the 863 program (Grant No. 2015AA010802);the National Natural Science Foundation of China (Grant No. 61522112, 61331003);the New Century Excellent Talents in University (NCET)
An asymmetric Doherty architecture based on three identical transistors is proposed in this paper. This proposed three.way topology reduces the difficulty in designing matching networks brought by the low optimal impe...
关键词：AMPLIFIER inverted Doherty LINEARITY high power 
Linearity analysis of closed-loop capacitive accelerometer due to distance mismatch between plates and the influence of compensation capacitor array被引量：2
《Science China(Information Sciences)》2014年第6期195-206,共12页HUANG JingQing ZHAO Meng ZHANG TingTing CHEN ZhongJian HONG LiChen WU Feng ZHANG YaCong LU WenGao GAO ChengChen HAO YiLong 
supported by National High-tech R&D Program of China(863 Program)(Grant No.2008AA04-2201)
This paper presents mathematical formulae showing that the distance mismatch for an uncentered proof mass in an accelerator sensor does not influence the linearity of the closed-loop accelerometer as a whole.This asym...
关键词：LINEARITY CLOSED-LOOP ACCELEROMETER capacitive MEMS ROIC 
A high linearity downconverter for SAW-less LTE receivers被引量：1
《Journal of Semiconductors》2012年第10期66-71,共6页蒋培晨 管锐 汪吴峰 陈东坡 周健军 
supported by the National High Technology Research and Development Program of China(No.2009AA011608);the National Major Science and Technology Projects Program of China(No.2009ZX03002-004-02)
This paper presents a high linearity downconverter implemented in a 0.18μm CMOS process for long term evolution（LTE） receivers without a surface acoustic wave（SAW） filter.The proposed downconverter is composed of...
关键词：LINEARITY downconverter long term evolution（LTE） passive mixer radio-frequency（RF） receivers 
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 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 1.2-V 19.2-mW 10-bit 30-MS/s pipelined ADC in 0.13-μm CMOS
《Journal of Semiconductors》2010年第9期134-140,共7页张章 袁宇丹 郭亚炜 程旭 曾晓洋 
supported by the National High Technology Research and Development Program of China(No.2009AA011600);the Project for Young Scientists Fund of Fudan University,China(No.09FQ33);the State Key Laboratory ASIC & System(Fudan University), China(No.09MS008)
A 10-bit 30-MS/s pipelined analog-to-digital converter（ADC） is presented.For the sake of lower power and area,the pipelined stages are scaled in current and area,and op amps are shared between the successive stages....
关键词：analog-to-digital converter PIPELINED sampling capacitor two-stage op amp compensation linearity of analog switch sub-1-V bandgap voltage reference 
A 3-5GHz CMOS UWB power amplifier with±8ps group delay ripple
《Journal of Semiconductors》2010年第4期76-79,共4页席天佐 黄鲁 郑重 冯立松 
supported by the National High Technology Research and Development Program of China(No.2007AA01Z2b2).
A differential power amplifier （PA）, designed using the linear-phase filter model, for a BPSK modulated ultra-wideband （UWB） system operating in the 3-5 GHz frequency range is presented. The proposed PA was fabric...
关键词：PA UWB group delay LINEARITY 
An eighth order channel selection filter for low-IF and zero-IF DVB tuner applications
《Journal of Semiconductors》2009年第11期79-87,共9页邹亮 廖友春 唐长文 
Project supported by the National High Technology Research and Development Program of China (No.2007AA01Z282)
An eighth order active-RC filter for low-IF and zero-IF DVB tuner applications is presented, which is implemented in Butterworth biquad structure. An automatic frequency tuning circuit is introduced to compensate the ...
关键词：active-RC filter BUTTERWORTH frequency tuning group delay noise LINEARITY 
Design of Low-Voltage Low Noise Amplifiers with High Linearity被引量：2
《Journal of Semiconductors》2004年第11期1364-1369,共6页曹克 杨华中 汪蕙 
国家自然科学基金 (批准号 :60 0 2 5 10 1,90 2 0 70 0 1,90 3 0 70 16) ;国家重点基础研究发展计划 (批准号 :G19990 3 2 90 3 );国家高技术研究发展计划 (批准号 :2 0 0 3 AA1Z13 90 )资助项目~~
A CMOS radio frequency low noise amplifier with high linearity and low operation voltage of less than 1.0V is presented.In this circuit,an auxiliary MOSFET in the triode region is used to boost the linearity.Simulatio...
关键词：LOW-VOLTAGE radio frequency CMOS low noise amplifier LINEARITY 
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