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In the diagram, VCC = 15 V, VEE = - 15 V, VBE = 0.7 V, = 80, R1 = 2.4 k and R2 =
In the diagram, VCC = 15 V, VEE = - 15 V, VBE = 0.7 V, = 80, R1 = 2.4 k and R2 = 50 k. IT is the ideal current source and its value is IT = 200 A. a) Operating point of all transistors according to VO = 0 V and IB3 << IC2 learn in DC conditions [IC, VCE (or VEC)] calculation. (20 points) b) Draw the small signal equivalent circuit model of the circuit for the medium frequency region. (10 points) c) Find the gain expression vO / vd according to vd = v1 - v2 (Note: The earning value will not be calculated.) (20 points) IMPORTANT: If the answers are sent only by writing on the table without showing the calculations step by step for option a, the total score you will get for this option will be 5 points even if the results in the table are correct.SORU 1 (50 puan): ekildeki devrede Vcc= 15 V, VEE= - 15 V, I VBE I = 0,7 V, B = 80, R1 = 2,4 k22 ve R2 = 50 k 2 dur. It ideal akm kaynadr ve deeri IT = 200 uA dir. a) DC artlarda Vo = 0 V ve IB3 << Ic2 olduuna gre tm transistrlerin alma noktalarn [Ic, Vce (ya da Vec) ] hesaplaynz. (20 puan) b) Orta frekans blgesi iin devrenin kk iaret edeer devre modelini iziniz. (10 puan) c) va = V1 - V2 olduuna gre vo / va kazan ifadesini bulunuz. (Not: Kazan deeri hesaplanmayacaktr.) (20 puan) NEML: a kk iin hesaplamalar adm adm gsterilmeden cevaplar sadece tabloya yazlarak gnderilirse tablodaki sonular doru da olsa bu k iin alacanz toplam puan 5 puan olacaktr. o Voc a) Ic[mA] VCE [V] Q1 Rc Rc R1 Q2 Q3 VC2 Q U. 92 U2 OVO R2 11 - VEE SORU 1 (50 puan): ekildeki devrede Vcc= 15 V, VEE= - 15 V, I VBE I = 0,7 V, B = 80, R1 = 2,4 k22 ve R2 = 50 k 2 dur. It ideal akm kaynadr ve deeri IT = 200 uA dir. a) DC artlarda Vo = 0 V ve IB3 << Ic2 olduuna gre tm transistrlerin alma noktalarn [Ic, Vce (ya da Vec) ] hesaplaynz. (20 puan) b) Orta frekans blgesi iin devrenin kk iaret edeer devre modelini iziniz. (10 puan) c) va = V1 - V2 olduuna gre vo / va kazan ifadesini bulunuz. (Not: Kazan deeri hesaplanmayacaktr.) (20 puan) NEML: a kk iin hesaplamalar adm adm gsterilmeden cevaplar sadece tabloya yazlarak gnderilirse tablodaki sonular doru da olsa bu k iin alacanz toplam puan 5 puan olacaktr. o Voc a) Ic[mA] VCE [V] Q1 Rc Rc R1 Q2 Q3 VC2 Q U. 92 U2 OVO R2 11 - VEE
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