EE 332 Lesson 0714 - LEARNING GOALS DC ac equivalent...

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7/14/2010 1 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock EE 332 DEVICES AND CIRCUITS II LECTURE #12 SMALL SIGNAL MODELS (III) ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock LEARNING GOALS Small-signal models /MOSFETs Identification of common-source amplifiers Amplifier characteristics /Input , output resistances, and gain DC & ac equivalent Circuits /Coupling & Bypass capacitors 2 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock EE 332 DEVICES AND CIRCUITS II WEEK 4 BIPOLAR JUNCTION TRANSISTORS ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock BJT AMPLIFIER / SMALL SIGNAL PARAMETERS r r o g m v be B C E Intrinsic Voltage Gain: Apply KCL at v out intrinsic voltage gain 0 out m be o out m be o F out F m o be C AA F T C T v gv r v g v r v gr v I VV V I V          4 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock BJT AMPLIFIER / GAIN CALCULATION Problem: Find gain B E C v S R C R L V CC 5
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EE 332 Lesson 0714 - LEARNING GOALS DC ac equivalent...

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