Explain how you can find the common emitter de current gain, ß, and the common emitter ac current gain, hre, from the common emitter output characteristics of an npn transistor. You need to draw typical output characteristics in scales and provide numerical calculations to support your explanation.

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Assume R1= R2 =D6002, RL=500, and Vcc = 15V. Assuming D1 and D2 are identical and have same characteristics as Q1 and Q2 base-emitter junctions, if the input voltage is 1Vrms, what will be the output peak voltage? Vcc R1 D1 D2 Q2 R2 R2 -Vcc

Instruction/s:  Draw, Illustrate and label your schematic diagram before solving the problem. 1.) Given a Fixed-Biased transistor circuit with Beta DC is 200 , voltage at common collector is +22v ,base supply voltage is +11V, Base resistor is 47kOhms , collector resistor is 390 ohms ,Voltage at Base-emitter junction  is 0.7v. Determine the Q-point of collector current and Voltage at collector-emitter junction.  These is the example or guide that might help in answering the problem.

8.

Discuss the significant different between the construction of an E-MOSFET and a D-MOSFET.

Draw typical output characteristics of a common emitter npn transistor and clearly identify the active, saturation, and cut off regions on your drawing.

Please solve it.

O 12V Q2): For common collector circuit shown below: 1. Determine DC load line and Q-point? 2. Determine Vi at Vo max? Vi 3. Find Ai. 120 Vo 390K 5.6K -8V

Q1:- find the emitter, base and collector currents and VE. (let any parameters if you need). + Vcc=6 V 2 k2 530 kN