For the circuit given in Fig. QB2, Vcc = 15V, Rs = 100 Ω, R1 = 50 kΩ, Rc = 300Ω, Rbe = 100 Ω, and gm = 0.5S. i. Describe
Posted: Mon May 09, 2022 7:43 am
For the circuit given in Fig. QB2, Vcc = 15V, Rs = 100 Ω, R1 =
50 kΩ, Rc = 300Ω, Rbe = 100 Ω, and gm = 0.5S. i. Describe, with the
aid of suitable diagrams, how the input signal can be amplified by
this circuit in Fig. QB2.
Question B.2 For the circuit given in Fig. QB2, Vcc = 15V, Rs = 100, R1 = 50 kN, Rc = 3000, Rbe = 100 12, and gm = 0.55. i. ii. iii. Describe, with the aid of suitable diagrams, how the input signal can be amplified by this circuit in Fig. QB2. [4 Marks] What is the function of Cin and Cout? [4 Marks] Determine the DC value of Ib, Ic, le, Vb, Vc and Vout. [6 Marks] Sketch the small signal equivalent AC circuit at midband. [5 Marks) What is the effect of increasing Rs on the voltage gain at midband? Explain why the resulting effect will occur. [6 Marks) iv. V. VCC Ic RC Cout VCE Rs RSGIH R10 Vb lb Cin o Vout Ve Vin le Fig. QB2
50 kΩ, Rc = 300Ω, Rbe = 100 Ω, and gm = 0.5S. i. Describe, with the
aid of suitable diagrams, how the input signal can be amplified by
this circuit in Fig. QB2.
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