电子电路设计.ppt

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1、電子電路設計電子電路設計Design of Electronic Circuits北台灣技術學院電子系莊政義教授.twElectronic Circuit Design莊政義 General OP AMP:packing and pinouts Inverting and Non-inverting amplifiers Comparators and Controls Applications,Signal generator,conditionings DC and AC performances Active filters,IC TimerIdeal OP AMPlOpen Loop

2、Gain:AOC lInput impedance:Zin lOutput impedance:Zo 0+_Introduction to Op Amps lOperational:Mathematical Operations lTo Add,subtract,multiply,and solve differential equations lOp Amp:Operational Amplifiers （運算放大器）l Features:low cost,easy to use,and fun to wok with Why Op Amps lBridging the real-word

3、and digital world As more digital systems are created for data acquisitions and process control,more interface circuits using Op Amps are needed.lOn the Marketplace a combination of analog and digital lFabrications:BJT,FET,MOS,BiMOS lVersatile chips:General-purpose and Special function IC Circuit Sy

4、mbol and Terminals(PIN)Simplified block diagram of a general-purpose Op AmpPackage and pinoutSymbol and PinoutHow to identify an Op Amp?Each Op Amp has a letter-number ID code:lWhat type?(ex.741)lWho made it?(ex.Motorola)lHow good is it?(range of operation,M)lWhat kind of package?(ex.Plastic DIP)Let

5、ter prefix2 or 3 letters for 製造廠商Circuit Designation3 to 7 letters for the type and operation range The three temperature-range codes are:1.C:commercial,0 to 70 degree-C2.2.I:industrial,-25 to 80 degree-C3.3.M:military,-55 to 125 degree-CLetter Suffix code Description D plastic(surface mounting)J Ceramic dual-in-line N,P plastic DIP(socket insertion)dual-in-line(DIP)Order Number ExampleprefixDesignatorSuffixLM741CN(8-pin)National Semiconductor741 Op amp,commercial temp.rangePlastic package