Rapor Exp-1 - EE439ADVANCED ELECTRONICS LAB E XP ERIM E NT...

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E E 4 3 9 -   A D V A N C E D E L E C T R O N I C S L A B EXPERIMENT REPORT -1  FEEDBACK AMPLIFIERS Prepared by; MEHMET ÖĞÜT 2006104930 The date of submission: 11.10.2010
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1- Measured operating voltages of transistors and the operating currents calculated from these values are given in the table below: Transistor name V(E) V(B) V(C) I Q1 -0.599 V -0.040 V 11.04 V 41 uA Q2 -0.599 V -0.074 V 11.95 V 10uA Q3 -0.617 V 0.027 V 11.95 V 20.325mA Q4 11.930 V 11.04 V 0.027 V 0.851 mA 2- Calculated values from given transistor parameters: For NPN, BF=300 For PNP, BF=200 Transistor name V(E) V(B) V(C) I Q1 -696.596 mV -6.145 mV 11.207 V 39.228 uA Q2 -696.596 mV -36.824 mV 12 V 11.980 uA Q3 -326.813 mV 525.861 mV 12 V 20.775 mA Q4 12 V 11.207 V 525.861 mV 638.637 uA 3- Closed Loop Voltage Gain: 666 V/V New upper cut-off frequency : 1.7 kHz 4- Open Loop Voltage Gain :1.4 V / 0.154 V = 9.09 V/V Upper cut-off frequency : 37 kHz 5-
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Figure-1: Gain versus frequency when switch is open. From Figure-1,
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This note was uploaded on 11/08/2010 for the course EE 234 taught by Professor Eren during the Spring '10 term at Boğaziçi University.

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Rapor Exp-1 - EE439ADVANCED ELECTRONICS LAB E XP ERIM E NT...

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