EE 332 DEVICES AND CIRCUITS II 03/09

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EE 332 DEVICES AND CIRCUITS II 03/09 9/1/2010 EE 332 DEVICES AND CIRCUITS II 03/09 Microelectronic Circuit Design ©UW EE TC Chen Jaeger/Blalock AC-COUPLED MULTI-STAGE AMPLIFIER B / VOLTAGE GAIN C B C 1 1 2 2vi gmvbe2 gmvbe1 RC1 ro2 ro1 r2 R1//R2 r1 R3//R4 vbe2 vbe1 E2 E1 voVoltage gain RE2 RLCalculate one term at a time: Microelectronic Circuit Design ©UW EE TC Chen Jaeger/Blalock 1 9/1/2010 AC-COUPLED MULTI-STAGE AMPLIFIER B / VOLTAGE GAIN C B C 1 1 2 2 vi gmvbe2 gmvbe1 RC1 ro2 ro1 r2 R1//R2 r1 R3//R4 vbe2 vbe1 E2 E1 voVoltage gain RE2 RL vo vbe1 vc1 vb 2 vo Av      vi vi vbe 1 vc 1 vb 2 Calculate one term at a time: Microelectronic Circuit Design ©UW EE TC Chen Jaeger/Blalock AC-COUPLED MULTI-STAGE AMPLIFIER B / CURRENT GAIN C B C 1 1 2 2 vi gmvbe2 gmvbe1 RC1 ro2 ro1 r2 R1//R2 r1 R3//R4 vbe2 vbe1 E2 E1 vo Ri RE2 RL Ai  Av  RL 1st stage: Microelectronic Circuit Design ©UW EE TC Chen Jaeger/Blalock 2 9/1/2010 AC-COUPLED MULTI-STAGE AMPLIFIER B / CURRENT GAIN C B C 1 1 2 2vi gmvbe2 gmvbe1 RC1 ro2 ro1 ...