A 20 ohm resistive element, a coil of L = 100 millihennries and a capacitor of 5 uF capacitance are connected in series to form an RLC branch.

A voltage v(t) = 7*311.12*sine(377t) volts is applied to the RLC branch.

It is requested:

1. The numerical value of Z_RLC
2. Write the expression for i(t), using numerical coefficients.
3. Write the expression for p (t), using numerical coefficients, and express all trigonometric functions with exponents not greater than unity.
4. The average value of the power delivered to the branch.
5. Find and graph v_R(t), v_L(t), v_C(t), i(t) y p(t).

find zero state response y[n+4]-y[n]=x[n], if x[n]= e^-n u[n]

A series RC circuit with R = 5 W and C = 0.02 F is connected with a battery of E = 100 V. At t = 0, the voltage across the capacitor is zero.

(a) Obtain the subsequent voltage across the capacitor.

(b) As t → ∞, find the charge in the capacitor.

(DIFFERENTIAL EQUATIONS)

SOLVE THIS USING MATLAB SOLVE THIS USING MATLAB

SOLVE THIS USING MATLAB SOLVE THIS USING MATLAB

SOLVE THIS USING MATLAB SOLVE THIS USING MATLAB

SOLVE THIS USING MATLAB SOLVE THIS USING MATLAB

What is the working principle behind using dual resonator for impedance bandwidth?


Reference : Low-Profile, Low-Cost, Broadband Millimeter-Wave Antenna Array for High-Data-Rate WPAN Systems Byungje Lee and Yonghyun Yoon

4. The heart of the original Apple iPad is the Apple A4 chip which operates at 1.0 GHz and is believed to utilize ARM Cortex-A8 CPUs built with Samsung 45nm technology. Assume it dissipates 5 watts using a 1.1 V power supply.

a) If a prototype made in 65 nm is available, what speed and power consumption will the chip likely have assuming constant-field scaling?

b) If the supply voltage on the 65 nm part were scaled to 0.7 V, what will the power consumption and speed be then?

c) i) What supply voltage should be used by the 45 nm part to set the power consumption of 2.5 Watts?

ii) At what speed would the processor then operate?

Introduction:

Clearly define the assigned robotic arm and research on its developer, history and applications.

Show an image of the actual robotic arm and annotate the image by labeling all joints.

(Typed answer only 250 -400 word)

create simple cheat sheet dealing with op-amp circuits. fundamentals and explanation

1.Draw and label a typical generator capability curve, showing the Rotor Current limit, stator current limit and the origin of the Rotor Current circle. Also include the prime mover limit.
2. Write down and explain the important formula and relevant current, voltage and Power limit. Show the correct axes of the curve. Indicate the safe operating point for the generator on the curve.

Ch 26

32. A power pack charging a cell phone battery has an output of 0.4 A at 5.2 V, both rms. If the power pack is plugged into a 120 V wall socket, what is the rms current? 17.3 mA

33. A neon sign transformer has a 450 Watt AC output with an rms voltage of 15kV when connected to a normal household outlet. There are 500 turns of wire in the primary cell.

a) How many turns of wire are in the secondary coil? 62,500 turns

b) When the transformer is running full power. What is the current in the secondary coil? 30 mA

c) When the transformer is running full power. What is the current in the primary coil? 3.75 A

34. A generator produces 250 kW of electric power at 7.2 kV. The current is transmitted to a remote location through wires with a total resistance of 15 W.

a) What is the power loss due to the resistance in the wires? 18 kW

b) What is the power loss if the voltage increased to 30 kV? 1 kW

35. A 20 µF capacitor is connected across an AC generator that produces a peak voltage 6 Volts. The peak current is 0.2 A. What is the oscillation frequency in Hz? 265 Hz

36. A 500 µH inductor is connected across an AC generator that produces a 3.5 V rms Voltage. What is the frequency if the peak current is 50 mA? 31.5 kHz

37. An FM radio station broadcasts at a frequency of 103.5 MHz. What inductance should be paired with a 10 pF capacitor to build a receiver circuit for this station? 236 nH

What is penalty function and why they are used? Compare two penalty functions you have studied in your course, which one is preferable according to your opinion?

identify the distinctive aspect of the coil connection in a lap-winding that enables it to carry a relatively high current

Algorithm

1. Enter the pass band ripple (rp) and stop band ripple (rs).
2. Enter the pass band frequency (wp) and stop band frequency (ws).
3. Get the sampling frequency (fs).
4. Calculate normalized pass band frequency, and normalized stop band frequency w1 and w2 respectively.           

w1 = 2 * wp /fs            

w2 = 2 * ws /fs

5. Make use of the following function to calculate order of filter

Butterworth filter order                       

[n,wn]=buttord(w1,w2,rp,rs)

6. Design an n^th order digital lowpass Butterworth filter using the following statements. Butterworth filter [b, a]=butter (n, wn)

OR

Design an n^th order digital high pass Butterworth filter using the following statement. Butterworth filter [b,a]=butter (n, wn,’high’)

7. Find the digital frequency response of the filter by using ‘freqz( )’ function

[H,w]=freqz(b,a,512,fs)

8. Calculate the magnitude of the frequency response in decibels (dB)

mag=20*log10 (abs (H))

9. Plot the magnitude response [magnitude in dBversus normalized frequency (Hz)]
10. Calculate the phase response using an = angle (H)
11. Plot the phase response [phase in radians Vs normalized frequency (Hz)]

Program

Output

Q, A seperate excited de generator runs at 150 rad/sec with flux density o.2 Tesla gives aterminal VoHag, of 200 Volt at no-lond. Find the terminal voltigi: (a) when the speed changes to lo00 RPM ? (b) The Speed iskeptat i50 rad/sec, but the field increnses by 20 % (C) The Speed is increased by 10% and the field increases by 15% Id) The genermtor is londed by 1o Ampur and its armature resistance is o .7 2 neglecting armature reaction

Q, A seperate excited de generator runs at 150 rad/sec with flux density o.2 Tesla gives aterminal VoHag, of 200 Volt at no-lond. Find the terminal voltigi: (a) when the speed changes to lo00 RPM ? (b) The Speed iskeptat i50 rad/sec, but the field increnses by 20 % (C) The Speed is increased by 10% and the field increases by 15% Id) The genermtor is londed by 1o Ampur and its armature resistance is o .7 2 neglecting armature reaction

Design a linear phase, minimum-length, band-pass FIR digital filter in MATLAB to meet the specifications listed below. Use Rectangular Windowing (MATLAB function: fir1)

pass-band frequencies: f_p1 = 0.35, f_p2 = 0.65

stop-band frequencies: f_s1 = 0.10, f_s2 = 0.80

pass-band tolerance: d_p <= 0.1

stop-band tolerance: d_s <= 0.1

I am attempting to learn more about MATLAB and I am having trouble with specific filter design and it would be helpful to have an example.