2.4ghz高速數(shù)據(jù)傳輸系統(tǒng)發(fā)射前端的設(shè)計(jì)和研究

1、上海交通大學(xué)碩士學(xué)位論文2.4GHz高速數(shù)據(jù)傳輸系統(tǒng)發(fā)射前端的設(shè)計(jì)和研究姓名：孫華明申請學(xué)位級別：碩士專業(yè)：電磁場與微波指導(dǎo)教師：沈海根;寇秉成20050301THE DESIGN AND RESEARCH OF THE TRANSMITTER FRONTENDOF 2.4GHz HIGH-SPEED DATA TRANSFER SYSTEMABSTRACTIn the dissertation, the design theory a

2、nd basic structure of RFfrontend transmitter of radio communications system is expatiatedsystemically. The frontend system consisted of Harris Prismtm 2.4GHzchip sets is described detailedly, power amplifier module , u

3、p-downconverter module and SIR bandpass filter are presented in detail. Fourparts are included: The design of power amplifier circuit with HFA3925chip; the design of up-down converter circuit with HFA3624 chip; thedesign

4、 of bandpass filter used in up-down filter;and the design of shieldbox. During the design course, the chips theory, the design consideration ofperiphery circuit, plate making, debugging course and test results aredisser

5、tated in detail. And ADS RF simulation tools are used to design thebandpass filter. The influence of microstrip length and impedance rate toharmonic frequency of SIR filter is analyzed. Filter circuits with variablelengt