For the 2-stage amplifier below, assume that the transistors Beta is infinite for DC analysis and 99 for AC. Also, the DC Base-Emitter voltage is VBEI=0.7 V. a) Run a DC analysis and find the DC Collector voltages of Q2 and Q3 b) Find the overall voltage gain from the differential inputs to the output of the two stage amplifier c) Design a current source to replace the current source shown in the schematic (assume ideal components) +5 V 1-2 mA 2552 2582 www -vi/2 5k +vi/2 -5 V +5 V 23 2ΚΩ 1.3 ΚΩ -5V

For the 2-stage amplifier below, assume that the transistors Beta is infinite for DC analysis and 99 for AC. Also, the DC Base-Emitter voltage is VBEI=0.7 V. a) Run a DC analysis and find the DC Collector voltages of Q2 and Q3 b) Find the overall voltage gain from the differential inputs to the output of the two stage amplifier c) Design a current source to replace the current source shown in the schematic (assume ideal components) +5 V 1-2 mA 2552 2582 www -vi/2 5k +vi/2 -5 V +5 V 23 2ΚΩ 1.3 ΚΩ -5V

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Example 8:-
9. Design a biased-transistor circuit using VBB = Vcc= 10 V for a Q-point of Ic = 5 mA and VCE 4 V. Assume pc = 100. The design involves finding RB, RC, and the minimum power rating of the transistor. (The actual power rating should be greater.) Sketch the circuit.
The collector characteristics for a certain transistorare shown a. Find the ratio Ic/IB for VCE =10 V and IB =100,200, and 600 pA.b. The maximum allowable collector powerdissipation is 0.5 W for IB = 500 pA. Find VCE. Hint: A reasonable approximation for the power dissipatedat the collector is the product of the collector voltage andcurrent P = IcVCE, where P is the permissible powerdissipation, Ic is the quiescent collector current, and VCE iSthe operating point collector-emitter voltage.
Consider the following common emitter amplifier: Discuss the LIMITATIONS of this circuit in terms of linearity and in terms of impedance matching. I just need the constraints of the circuit, like for example the operating point of the transistor and more.In the images, the graphics are:With the number 1: input-output curveThen a simulation was performed and obtained:With number 2: input-output curveWith number 3: more detailed input-output curveWith number 4: input-output curvePlease I just need the limitations of the circuit based on these graphs.
The DC Current Gain of a Transistor is Select one: a. Ratio of Collector Current to Base Current b. Ratio of Base Current to Collector Current c. Ratio of Emitter Current to Collector Current d. Ratio of Base Current to Emitter Current
Just need 1d and 1e answered.
In this voltage divider bias circuit, the input is at the base. Output is at the emitter with a high input resistance and low output resistance. The maximum voltage gain is 1 and the coupling capacitors must have a negligible reactance at the frequency of operation. (use to answer a and b) a. Derive the expression for the voltage gain, current gain, and power gain in terms of power delivered to the load, R. b. Sketch both the DC and AC equivalent circuits. c. Derive the expression for ripple factor of Half Wave Rectification with a capacitor filter.
Exersice 4: For the Darlington amplifier circuit used in an emitter-follower configuration appears in figure below: . Determine the dc levels of Vi, Ve, Vi, Ves, and Ver. . Find the currents I, Iz, and Irz. . Calculate Zi and Zo. . Determine the voltage gain Ay = Vo/Vi and current gain Ai=IL/l;. . Repeat parts 1 to 4 with a load resistor of 1.2 kQ. . Evaluate A = Vo/Vs if the source has an internal resistance of 1.2 kQ and the applied load is 10 kQ. omAwWNE 416V L i prammm, I Tour i,
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1 The AC input to a common emitter amplifier (Figure 1) is such that it is comparable to thermal voltage VT. For such an amplifier: a. Please show how a hybrid – T small-signal model would look like. Do not ignore early effect. b. Please derive relation for the terminal voltage gain and overall voltage gain. Vcc Rc R RE C Figure 1 You uolont oirouit