Which of the following is true for an ideal difference amplifier
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Q2.4 Which of the following is true for an ideal difference amplifier?
A) The Common Mode Suppression Rate is zero.
B) The Common Mode suppression ratio is always negative.
C) The common mode gain is zero.
D) The differential mode gain is zero.
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- Topic: Field Effect Transistor Given the FET Amplifier circuit. Answer the question asked in each letter. a. Transconductance Gain (gm) b. Drain Resistor (RD) c. Input Impedance (Zi) d. Output Impedance (Zo) e. Voltage Gain (Av) f. What is the AC configuration of the amplifier?common source, common gate, common drain, or source bias?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.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.
- 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=100The 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?Determine the dc levels for the currents (IB1, IC1 and IE2 only) of the direct-coupled amplifier of Figure. Note that it is a voltage-divider bias configuration followed by a common-collector configuration; one that is excellent in cases wherein the input impedance of the next stage is quite low. The common-collector amplifier is acting like a buffer between stages.
- Q2: (A): What is the advantages and disadvantages of RC coupled amplifier?Figure Q3 shows a common-source amplifier that has transistor parameters Kn’=40μA/V2, W/L=40, VTN=0.4V, and λ=0.02V-1 . State all assumptions made. i. Determine IDQ and VDSQii. Sketch the small signal analysis and determine the small signal voltage gain, Av.What is the output voltage vO if theop-amp is ideal? What are the values of the baseand emitter currents and the total current suppliedby the 15-V source? Assume βF = 40. What is theop-amp output voltage?
- Design a common-source amplifier such that gain is high and drain current is 11.33 amp. State the tech parameters and assumptions made.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?Explain what a 2 stage amplifier is and couplings below with diagrams please!