11. i) Design a series Op-Amp regulated O/P of 12V which its I/P voltage is 20V. Chose the designed components and draw the circuit diagram ii) Design a shunt transistor regulated O/P of 6V which its I/P voltage is 15V. Chose the designed components and calculate I, with drawing the circuit diagram
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- Amplifier circuit is show below has a single ac input and one ac output. Assuming 2N2222 transistor: Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature. Draw a complete small signal circuit model, then find the voltage gain. Explain two characteristics of this amplifier. Calculate the current gain, the input resistance, and the output resistance.For the cascaded amplifier of the figure below, calculate the input impedance of the first stage, output impedance of the second stage, total voltage gain, and the output voltage if Vs= 1mV.Amplifier circuit is show below has a single ac input and one ac output. Assuming 2N2222 transistor: 1- Determine the Q point, then illustrate it on the transistor I-V characteristic curves. 2- Is the transistor in the active region? Explain thoroughly. 3- Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature. 4- Draw a complete small signal circuit model, then find the voltage gain. Explain two characteristics of this amplifier. 5- Calculate the current gain, the input resistance, and the output resistance.
- THE PAIR of transistors Q1 and Q2 in the figure have gains β1 = 200 and β2 = 75 respectively. Determine the value of the equivalent gain βeq for the equivalent transistor Qeq. ( NEED ONLY HANDWRITTEN SOLUTION PLEASE OTHERWISE DOWNVOTE).The resistors in the difference amplifier shown are slightly mismatched due to their tolerances. (a) What are the differential-mode and common-mode input voltages if v1 = 3 V and v2 =3V? (b) What is the output voltage? (c) What would be the output voltage if the resistor pairs were matched? (d) What is the CMRR?Consider the circuit. The transistor has a parameter β that varies between 50 and 200. The operation of the circuit and the electrical variables at the end points must be known. end points. Calculate the following for β = 50 and β = 200. a) lE, VE and VB (DC analysis). b) The input resistance Rin (small signal analysis). c) Voltage gain V0/ Vsig (Small Signal Analysis
- For the cascaded amplifier of the figure below, calculate the input impedance of the first stage, output impedance of the second stage, total voltage gain, and the output voltage if Vs=1 mVActivity 2:The amplifier circuit below has a single ac input and two ac outputs. Assuming transistorparameters of ß = 200 and VBE = 0.7 V:(2-a) Determine the Q point.(2-b) Is the transistor in the active region? Explain thoroughly.(2-c) Construct the T-model of the transistor with all parameters labelled and evaluated.Assume room temperature.(2-d) Draw a complete small-signal circuit model, then find the voltage gain for both outputs.(2-e) Based on the analysis results, what is the function of this circuit? Suggest a properapplication.(2-f) Use Multisim to verify all of your results. Compare and comment.(2-g) Assuming that each output is feeding a 100-kΩ resistor, determine the total voltage gainand current gain for both outputs. Also, calculate the amplifier input resistance and theamplifier output resistances.amplifier has a gain of unity andVcc= 25Vdc, RL= 8Ω and Vi(p-p)= 34V.a. Calculate the input power, the output powerand the efficiency of the amplifier.b. Consider the operation mode that the two output transistors dissipate the maximum power. For this operation mode, find the output voltage across the load and the power dissipated by each transistor.
- Determine the values of the elements of the common-source amplifier as shown such that gain is high and drain current is 11.33 amp.For the amplifier, VDD = 12V, VSS = 12V, ISS= 20uA, and RD= 820kOhm. Assume Kp = 1mA/V2 and VT P = +1V. (a) What are the output voltages vo for the amplifier for vI = 0V and vI = 20mV? (b) What is the maximum permissible value of vI?Activity 2:The amplifier circuit below has a single ac input and two ac outputs. Assuming transistorparameters of ß = 200 and VBE = 0.7 V:(2-a) Determine the Q point.(2-b) Is the transistor in the active region? Explain thoroughly.(2-c) Construct the T-model of the transistor with all parameters labelled and evaluated.Assume room temperature.(2-d) Draw a complete small signal circuit model, then find the voltage gain for both outputs.(2-e) Based on the analysis results, what is the function of this circuit? Suggest a properapplication.(2-f) Use Multisim to verify all of your results. Compare and comment.(2-g) Assuming that each output is feeding a 100-kΩ resistor, determine the total voltage gainand current gain for both outputs. Also, calculate the amplifier input resistance and theamplifier output resistances.