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Suppose we have a resistive load that varies from 5 kOhms to 10 kOhms. We connect this load to an amplifier, and we need the voltage across the load to vary by less than 1 percent with variations in
Design a garage door controller using PLC Ladder Diagram (RSLOGIX 500 PLC SIMULATOR). The behavior of the garage door controller is as follows there is a single button in the garage, and a sin
A voltage source v(t) = 28.2cos(50000t) is wired in series with a 100 Ω resistor, a 0.40μF capacitor, and a 2.0 mH inductor. 1. Express the voltage from the source as a phasor, V. 2. Find the
An odd parity circuit with 2^n inputs can be built with 2^n-1 XOR gates. Describe two different structures for this circuit, one of which gives minimum worst-case input to output propagation delay a
A typical commercial FM broadcast signal starts out at an effective power level around 100 KW (+80 dBm). How much of that FM signal power finds its way into the clock radio on your nightstand, or the
1.The Thyristor is a natural commutation device. What does that mean. 2.Mention two reasons why the HVDC might be your choice as a power system designer to transfer large amount of power.
When the required bandwidth is a large portion of the center frequency, another approach is commonly used for bandpass filter design. An example might be a filter that's required to pass frequencies
A disk located at 0<p<1, z=1 has a uniform charge distribution with Ps = 200 pC/m^2. A 30uC point charge is located at the origin. Determine the force acting on the point charge due to the ele
Design a BJT mixer with conversion gain of 10dB for an IF load of 1 kohm and a LO amplitude of 10 mV. The RF frequency should be 707 KHz and the IF frequency should be 455 KHz. Hint: calculate the b
A voltage source V = 119 < 3deg V, an impedance of Z1 = 100 < 70deg O, and an impedance of Z2 = 75 < 90deg O are connected in series. Calculate the power factor of the combined load.
A voltage source V = 119 < 3deg V, an impedance of Z1 = 100 < 70deg O, and an impedance of Z2 = 75 /90o O are connected in series. Calculate the average power delivered to Z2.
An IPv4 datagram has arrived with the following information in the header (in hexadecimal): Ox45 00 00 54 00 03 58 50 20 06 00 00 7C 4E 03 02 B4 OE OF 02 a. Is the packet corrupted b. Are there any op
A circuit consist of two impedance,Z1=50/_45 ohms and Z2=25/_30 ohms, connected in parallel. They are supplied by a source whose voltage is V=50/_0 volts. Determined follows 1. the current drwan by
A 22KVA, 2300/230 VAC, 60HZ transformer is tested with a short circuit test. The measured data are as follows: Psc=280W, Vsc=80VAC and Isc=9.5 A 1. Find the transformer turns ratio of the transforme
Design a 3-tap FIR lowpass filter with a cutoff frequency of 1,500 Hz and a sampling rate of 8,000 Hz using a. rectangular window function b. Hamming window function.
A 100 kVA 2000/400 V, 50 Hz single-phase transformer gave the following test results. With 2000 V applied to the primary with the secondary on open circuit: current 2 A, power 1400 W With the secondar
A computer has 16-bit instructions and 64 registers. Suppose it is required to have at least 14 instructions designed to have 2 operands from registers (e.g., add, $1, $3 puts the sum of $1 and $3 i
A -3.4 nC charge is on the x-axis at x_1 = -8 cm and a 4.6 nC charge is on the x-axis at x_2 = 17 cm. At what point or points on the y-axis is the electric potential zero
The problem has two parts(a and b) and it asks: Find the power and rms value of each of the following signals: a) x(t) = 5 + Ccos(ωot+θ) b) x(t) = 2+7cos(1/2t+θ1)+3cos(2/3t+θ2)
Given that KG =.0894, w=15.4, φ=-125 degrees and G(s) = [520(s+2)]/[s2(s+30)] design a compensator that gives a PM of 90 degrees and does not change the open loop bandwidth.
Derive an iterative formula for finding the roots of cos(x) = x with Newton's method. Starting with an initial guess of x = 5 radians, determine the estimate of the root after five iterations. How m
An amplifier with a power gain of 26 dB, is using a dual power supply of +/- 14 V. Find the peak-to-peak value of the largest input signal the amplifier can process without clipping.
Determine the N-point DFT X[n] of the N-point sequence x[n]=sin(ωon), 0≤n≤N-1, for ωo ≠ 2∏r/N, where r is an integer in the range 0<r<N-1.
A lossless transmission line, with characteristic impedance of 50Ω and eletrical length of l=0.27λ, is terminated by load impedance 40-j25Ω. Determine voltage reflection coefficie
Consider a 6 cm2 dye sensitised solar cell with reverse saturation current Jr=10-10A/cm2. When the solar irradiance is 1,000 W/m2, it produces an equivalent photo current/short circuit current of 15