Find Ray for the feedback amplifier shown below. Qi and Q2 are identical transistors with h=1.IkQ, 50, and h-h-0. Voc * 3k 330k 0.5k 330k Vo 10uF Vs 1k 0.05k Rof 100
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- What are the gain and bandwidth of the amplifier shown for the nominal and worst-case values of the feedback resistors if A = 50,000 and fT =1 MHz?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 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?
- 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.For the amplifier shown below, find the expressions for Vout / isig, Rin and Rout.(a) Calculate the poles at the base of Q2, the base of Q5, the collector of Q5, and the emitter of Q6 for the amplifier of (a) with CC = 0. Use fT = 300 MHz and Cμ = 1 pF in addition to the bias parameters (b) Calculate the gain of the amplifier with VA = 50 V and βo = 100. (c) Assuming a unity-gain feedback connection, calculate the phase margin of the amplifier. (d) What value of CC is necessary to set the phase margin at 75◦?
- Q.4/ Refer to the class AB power amplifier shown below:a. Determine the dc parameters VB(Q1), VB(Q2), ICQ, VCEQ(Q1), VCEQ(Q2).b. For the 5Vrms input, determine the power delivered to the load resistor.c. Determine the approximate input resistance seen by the signal source if ac=100Given r_e = 10 Ω, β = 200, A_v = -160, and A_i = 19 for the collector-feedback network shown below, determine a) R_C; b) R_F; and, c) V_CC .find small signal gain Av. of the amplifier from Vin to Vout assuming that Rc = 5Kohms Rs = 0 and Rl = infinity
- Find the loop gain, ideal current gain, actual current gain, input resistance, and output resistance for the feedback amplifier shown with RI = 150 kΩ, RL = 5k Ω, R1 = 10 kΩ and R 2 =1kΩ.An averaging amplifier has five inputs with RF = 30 kohms, what should be the value of each input resistor? give the ans with explanation.. a) 150 kohm b) 225 kohm c) 135 kohm d) 285 kohmFind the loop gain, ideal transresistance, actual transresistance, input resistance, and output resistance for the feedback amplifier shown with RI =100kΩ, RL =15kΩ, and RF =10kΩ.