b) Draw an appropriate equivalent circuit for the amplifier shown in Figure Q4b, and hence derive...
Circuit Analysis For the circuit shown in Figure Q2: (a) (b) Determine the amplifier type and feedback topology Derive the input impedance with feedback, Zif and state whether it is increased or decreased from the circuit without feedback. If Ar 10, Zi 500k2, Zo = 2kQ, and Zof- 25k2, calculate Zi, Ax and B. (c) I IG Vo V Ax V Zd Zof Figure Q2 For the circuit shown in Figure Q2: (a) (b) Determine the amplifier type and feedback...
A21921 2. +9V Re Vout Re RE CE 0v Figure 3 (a) ) State the purpose of each of the capacitors Cin, Cout and Ce in the circuit [3 shown in Figure 3. (i) Derive an expression for the input resistance of this circuit in terms of the [5 mutual conductance of the transistor gm and its current gain β. we require an amplifier with a gain of-100, an output impedance of 1kΩ and an input impedance of 1k2. The...
1. Derive the gain expression for the following instrument amplifier shown in Figure 1. 2. Derive the Transfer function for the circuit shown in Figure 2. 10K R7R6 R2B R38 RiR4 10K 10K R5 Figure 1 Figure 2
For the differential amplifier shown in Figure 6: Assume well-matched transistors and = 100 for all transistors: a) Why it is important to use well-matched transistors in differential amplifier circuits? What is the potential influence of mismatched transistors on the performance of the differential amplifier? b) Determine the resistor values (R1, R2 and R3) such that the emitter coupled current IE = 0.5 mA and VC1 = 3 V. c) Draw the ac equivalent circuit for the single ended...
Consider the circuit shown in Figure 1. Draw the equivalent single stage standalone circuit for the first two transistors (Q1 and Q2). Derive the expression for the time constants for these two circuits (Note. Do NOT plug in the formulas for Ru and Rrt). RS CA ca 04 M194 02 01 ct c) RL RS Figure 1 Consider the circuit shown in Figure 1. Draw the equivalent single stage standalone circuit for the first two transistors (Q1 and Q2). Derive...
Problem 2: The circuit shown is the AC equivalent circuit of a CC amplifier. The parameters for the BJI are β-100, r.-2.5 KOhms, VT-25 mV, and Va very large. A) Find the input impedance Rin and the output impedance Rout as indicated. B) Find the voltage gain A. /vC) Find Ic, the DC biasing current? RE2.5 P,
2. For the circuit shown in Figure 4, find the following: ° The input impedance to the right of v1. This is typically done by taking the ratio of applied (input) voltage to induced current. ° The output impedance of the amplifier circuit. Note output impedance is the same at Thevenin's (equivalent) impedance
4. Consider the common-emitter amplifier of Figure 5. Draw the dc circuit and find ICQ. Draw the dc circuit and find ICQ. Find the value of Then, calculate values for Voltage gain Av, Open circuit voltage gain Avoc, input impedance Zin, current gain Ai, power gain G, and out- put impedance Zo. Assume operation in the frequency range for which influence of coupling and bypass capacitors can be ignored +15 V +15 V B 100 100 Ω 47ka Figure 5...
Q3. V CC R1 CL Rg R2 Vs Rs RL Figure -Q3 Consider the arrangement in the above Figure-Q3 circuit diagram i. Using the symbols under the usual notation, draw the high frequency equivalent ii. (6Marks) (9Marks) (5Marks) circuit diagram Find expressions for the voltage gain, input impedance and the output impedance Hence derive an expressionforthelowfrequency voltagegainoftheabove amplifier. iii.
The circuit shown in Figure 3 is a rudimentary Common-Source Amplifier 10V Draw the small-signal AC model of this amplifier Specify: rin rout 8m and A/loc) Also specify the Input Linear Range. 33k Fig. 3 200k 200k C, The circuit shown in Figure 3 is a rudimentary Common-Source Amplifier 10V Draw the small-signal AC model of this amplifier Specify: rin rout 8m and A/loc) Also specify the Input Linear Range. 33k Fig. 3 200k 200k C,