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- Q2: (A): What is the advantages and disadvantages of RC coupled amplifier?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=100a. IcQ. b. VCEQ. c. Locate the Q-point on the output characteristics. d. Draw the AC equivalent circuit of the above bias network. R1=100kOhms R2=17kOhms
- Given 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 .The common-mode gain, ACM, of an op-amp with AOL = 196,848 and a CMRR of 73 dB is?Suppose that each output channel of a computer’ssound card can be represented by a 1-V ac sourcein series with a 32-Ω resistor. Each channel ofthe amplifier in the external speakers has an inputresistance of 20 k , and must deliver 10 W intoan 8-Ω speaker. (a) What are the voltage gain, currentgain, and power gain required of the amplifier?(b) What would be a reasonable dc power supplyvoltage for this amplifier?
- 2. Design a unity gain inverting summing amplifier that will output the sum of two input voltages. Use a feedback resistor of 2.5 Kohms.How experimental setup is prepared for a CE transistor configuration. Drawits a h-parameter model. Find amplifier parameters given below using this model- (i) Current gain(ii) Input impedance(iii) Voltage Amplification (AVS) consideration source impedance(iv) Current Amplification (AIS) consideration source impedanceProblem 1: Consider the circuit shown below. The transistor parameters are Kn1 = 0.5 mA/V2 , Kn2 = 0.2 mA/V2 , VT N1 = VT N2 = 1.2 V, and λ1 = λ2 = 0. The quiescent drain currents are ID1 = 0.2 mA and ID2 = 0.5 mA. (a) Determine the small-signal voltage gain of the given multistage amplifier. Answer: -6.14. (b) Calculate the small-signal output resistance Ro. Answer: 1.32 kΩ. Problem 2: The transistor parameters for the given circuit are β1 = 120, β2 = 80, VBE1 (on) = VBE2 (on) = 0.7 V, and VA1 = VA2 = ∞. (a) Determine the quiescent collector current in each transistor. Answer: IC1 = 2.253 mA, IC2 = 69.73 mA. (b) Find the small-signal voltage gain Av = vo/vs. Answer: 0.99. (c) Determine the input and output resistances Rib and Ro. Answer: Rib = 467.6 kΩ, Ro = 0.512 Ω
- Table Q2 shows the datasheet comprising the parameters of a practicalop-amp. Please answer the following questions with reference to the data inTable Q2. Determine the full-power bandwidth for a 10-V output. Using the typical values from Table Q2, find the magnitude of thecommon-mode gain, Acm.Formulate V1 , V2 , Vout voltage values and Av gain value.Find out the gain of inverting amplifier if it is performing on 12 V supply, it has input resistance of 20 ohm and feedback resistance of 50 ohm respectively. NOTE : KINDLY ELABORATE BRIEFLY