W ki t $2 S 5(5+2) Find K1 and K2 such that the close loop dominant poles damping ratio (d) 0.5 and natural frequency of (wn) 1 76
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- bls 3 Why the amplifier called a unity - gain while it provides 180 degree phase ? inversion3) Load for a circuit with direct current source voltage The waveform of the voltage generated on it is below shown. Source for this working circuit that is symmetrical The value of the voltage and load resistance is 100 V and 5Ω respectively.It is given as. Find what is required below. d) Find the effective value of the output voltage e) Total harmonic distortion in output voltageCalculate (THD)What is the quiescent current in the class-AB stage as shown if Kp = 400 μA/V2, Kn = 600 μA/V2, VT P = −0.8 V, and VT N = 0.7 V?
- Compute the eight-point DFT of the sequence x(n) using radix-2 decimation-in-time. Follow exactly the corresponding signal flow graphs and keep track of all the intermediate quantities by putting them on the diagram. x(n)=1/2.sin(pie/4.n),0<=n<=?The voltage gain of an amplifier is described bythe transfer function has an inputvi = 0.002 sin ωt V. Write an expression for theamplifier’s output voltage at a frequency of (a) 5 Hz,(b) 500 Hz, (c) 50 kHz.Circuit1( 4 mosfets) Cicruit2( 2 mosfets) The gain of the circuit 1 is -gm1(Ron ll Rop) and the gain of circuit 2 is -Gm(ro1 ll ro2) Combine the gain of these two circuits (drawing the small signal model could help)
- Signal-conditioning analysis shows that the following equation must relate output voltage to input voltage: Vout = 3Vin – 3V Design circuits to do this using (a) a summing amplifier and (b) a differential amplifierA mixer with a noise figure of 20 dB is preceded by an amplifier with a noise figure of 9 dB and a power gain of 15 dB. Find the noise figure referred to its input and provide an illustration.For the discrete-time signal x[n] shown in Figure 4. Sketch and label carefully each of the following signals in picture
- Q) Input signals are given as V1 = 3sin(wt) V2 = 2sin(wt) V3 = 1sin(wt) in circuit. a) Find equation that expresses output signal in terms of input signals. B) Write sinuzoidal expression of output signal.Which of the following is the Vo(s)/Vi(s) transfer function of the subtavernop-amp circuit? (You considered the op-amp ideal.)For the circuit in the figure, extract the following as the formula according to r model and π model. a) IB, IC and IE currents b) The voltages at the X, B, C, E points and the voltage VCE c) Ri input resistance and output resistance Ro d) Av Voltage gains e) Low cutoff frequencies f) Formulate the high cutoff frequencies.