EE 332 week 5a - 7/16/2010 EE 332 DEVICES AND CIRCUITS II...

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7/16/2010 1 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock EE 332 DEVICES AND CIRCUITS II WEEK 5 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH BYPASS CAPACITOR/ GAIN R s v S C1 R 2 R 1 R C R E Q1 C2 C3 V CC R L v o Problem : Find the gain of CE amplifier Given : ,, 0.7 , 0.1 , 100 1: 1.5, 50 BE ON CE sat F RA v V V V Q VV     12 1 2 3 10 ; 30 ; 5.1 ; 2.2 ; 600 ; 5.1 ; 12 ; 10 CE s L CC R k R k R k R k R R k V V C C C F
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7/16/2010 2 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH BYPASS CAPACITOR/ GAIN ANSWER Step 1: DC analysis ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH GAIN ANSWER Assuming BJT operating in forward active mode Theveninizing LHS circuit
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7/16/2010 3 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH BYPASS CAPACITOR/ GAIN R EQ V EQ R C R E Q1 V CC v o ANSWER I C I E I B ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH GAIN ANSWER Step 2: Small Signal Parameters:
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7/16/2010 4 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH BYPASS CAPACITOR/ GAIN ANSWER R s v S C1 R 2 R 1 R C R E Q1 C2 C3 V CC R L v o ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH GAIN ANSWER v o v s R 2 R 1 R C R L r r o g m v be v be R s
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7/16/2010 5 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock CE AMPLIFIER (INVERTING) WITH BYPASS CAPACITOR/ GAIN ANSWER v o v s R 2 R 1 R C R L r r o g m v be v be R s ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock
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EE 332 week 5a - 7/16/2010 EE 332 DEVICES AND CIRCUITS II...

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