A PCM system uses a uniform quantizer followed by a 7-bit binary encoder. The bit rate of the system is equal to 50 megabits per second. a) What is the maximum message bandwidth for which the system operates satisfactorily? b) Determine the output signal to quantizing noise ratio when a full-load sinusoidal modulating wave
Are the filters shown in Figure P6.50 low-pass, high-pass, bandpass, or bandstop (notch) filters? Please see both attached files for filters.
In the circuit shown in Figure P6.9 (in the attached file), if L = 190 mH R1 = 2.3 kΩ R2 = 1.1 kΩ C = 55 nF a) Determine how the input impedance behaves at extremely high or low frequencies. b) Find an expression for the input impedance in the form (see attached file) c) Determine the four frequencies at which
Using phasor techniques, solve for i in the circuit shown in Figure P4.53 (see attached file).
Can you confirm the following statement? The outputs of two "NAND" gates are connected to the inputs of an "EXCLUSIVE OR" gate. Each of the "NAND" gates has one input at logic high level and the other input at low logic level. What is the output of the "EXCLUSIVE OR" gate? I say 0 would be the output...am I correct?
Can you help me find the transfer function IL/Vs? See attached for circuit layout.
How much current flows through the 1k ohm resistor in parallel with the current source? See attached file for circuit diagram.
See attached file for circuit diagram. I need some help finding voltage and current, and determining if Vbg 3V or -3V.Is I2 1A or -1A?
I need some help with this question, I keep getting it wrong. 'Find the expression for the output, C, of the logic circuit shown in the following figure:'. See attached file.
See attached dwg. Can you please show me how to find the magnitude of Z (The impedience "looking in") as a function of frequency from 10Hz to 100KHZ? Note the inductor is 1mH the resistor 100 Ohms and the cap 1uF.
How would I sketch a bode plot for the following transfer function: V2/V1=20jf/10,000/(1+jf/10,000)(1+jf/1,000,000)
A 4:1 step down transformer uses a 60Vac source on the primary windings. There is 120mA flowing through the load resistance on the secondary windings. What is the resisitive load?
Please see the attached file for the full problem. W[n] = 2u[n] - 4u[n-2] + 2u[n-4], v[n] = sin[2πn/4]u[n] Calculate the exact answer by convolution w[n]*v[n]
Please see the attached file for the full problems: 1) A 2µC point charge is located at A(4,3,5) in free space. i) Find Eρ, Eφ, and Ez at P(8,12,2). 2) A charge Qo located at the origin in free space produces a field for which Ez = 1kV/m at point P(-2,1,-1). i) Find Qo ii ) Find E at
1) A normalized load admittance of (0.2 + j0.2) needs a single stub tuner. i) how far down the line should it be located? ii) what is normalized admittance at the point just to right of where stub should be attached? 2) A certain point along a transmission line the normalized admittance is (1+j1.5) i) Design the sho
A system has an impulse response h(t) = e^(-t)*u(t). Calculate its output by convolution when its input is x(t) = cos(2πt). Please see the attached file for the full question.
Two discrete time systems are connected in series. Their input-output difference equations are: T1[.]: w[k] = 0.25x[k-2] and T2[.]: y[k] = 0.5w[k-1] + 0.5w[k-2] Determine the overall input-output difference equation relating y[k] to x[k] and determine the impulse response of the overall system using convolution.
Use nodal analysis to determine the node voltages and also the branch currents of the circuit as shown in Fig.3.2. Use Matlab to calculate these values. Enter these readings in Table 2 under the 'calculated' column. (Note: Node voltage VA is known, that is, 10 V. So you need to write nodal equations at B and C only for the circu
Refer to attached circuit diagram. a) Write the loop equations for the circuit. b) Take Laplace transform of the equations c) Solve for the current through the 5 ohm resistor.
Find equivalent resistance of circuit (see attachment) by using the Tee-Pi conversion. See attached file for full problem description.
In the circuit of Figure 2.17 (see attached file), if v1=v/4 and the power delivered by the source is 40 mW, find R, v, v1, and i. Given: R1=kilo-ohms, R2=10 kilo-ohms, and R3=12 kilo-ohms. Please show your steps. Thanks.
Write a Matlab script to plot the transfer characteristics of a resistor as shown in Fig. 1.1 (step 10) with V=1V and R=1kΩ. (Use these commands, R=1000; V=[0: 0.1:1]; I=V/R; plot(V-I)). Are these graphs identical? See attached file for full problem description.
See attached .Can yo show me how to find the value of R to obtain the drain current Id=.4mA. Also find the drain voltage VD.The NMOS transistor has a Vt=2V (See attached file for full problem description).
Plot the root locus for the following system (see attachment) as the feedback gain is varied from (see attachment).
Design a proportional and integral controller, G= k_p ((a+1/T_1)/s) for the plant, P = 1/((X+1)(S+3)) to have dominant poled with (see attachment) i) Use rough sketches of the root locus to determine the location of the controller zero (i.e. find T_1) ii) Calculate the required controller gain Kp, (An accurate root lo
Consider the following system whose state space representation is as follows: x'1 -1 1 α x1 0 x'2 = 0 -2 1 x2 +
Consider the following system whose state space representation is as follows: x'1 1 1 0 x1 2 x'2 = 0 -1 1 x2 + -1
Consider the system whose state space representation is attached: a) Design a controller for the system such as the closed loop poles are located at s= -1.8± 2.4j. b) Design a full state observer to estimate the states of the system. Place the eigenvalues of the observer at s= -8,-8. c) Check the design in (a) and (b)using M
Find the relationship between the gain and phase margins for the two graphs attached.
I need some help with these questions: 2. Calculate the linear state space matrices A,B,C and D for system that is described by the state equations, for deviations from uop = [-1, 1]^T, xop = [1,1,0]^T and yop=  (see attached file for better formula representation). 3. A linear system is described by its transfer functio