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My 9year old son is very interested in science and is working on aproject that involves hooking up a motion sensor (PIR) to a clock alarm. The challenge is to get the PIR to de-activate a sounding a
The network is toanalyze each sequence of four binary digits and produce the corresponding 2's complement of the 4 bit sequence. Assume each 4bit sequence is occurring with the least significant bit
The state machine has two inputsignals, LEFT and RIGHT, that carry the driver's request fora left turn or a right turn. It also has anemergency flasher input, HAZ, that requires the tail lights to b
A 3-phase, 200 hp, 480 V, 6 pole, 60 Hz synchronous motor has asynchronous reactance x1= 1.5Ω and x2=1.5Ω. Neglect all losses. The motor is connected to an infinite bus, and it delivers
A coil of 20Ω and inductance of 212mH is connectedin parallel with a 106μF capacitor. The circuit is connected over a 180V, 50Hz(variable frequency source) supply. 1.) Calculate the total C
Given series circuit and parallel circuit consisting of a 100 ohm resistor and a 10 μF capacitor (100 mH inductor-parallel) and a v(t)= 50sin(1000t+0degree) V source, what is the RMS phasor volta
Capacitors c1= 8.50μF andc2=3.50μF are charged as a parallel combination across a 36-V battery. Calculate the initial voltage across, and initial chargeon each capacitor. a) Calculate the resu
The samples are binary PCM encoded into n bits whichare transmitted using two waveforms S1 (t)=1.414 sin(w1t) and S2(t)=1.414 sin(w1t) + 1.414 cos(w1t) where t is between 0 and Tb,and the a priory p
An FM transmission system with r.m.s frequency deviation=100kHzis used to transmit a Gaussian base band information signal havingflat spectrum to 10kHz. Through a fading channel. The transmitted pow
1- Derive the transfer function of a third orderlow Pass Butterworth filter for a bandwidth of200 rad/sec. 2-Draw a simulation diagram for the design of this filter. Use integrators, amplifiers and su
A number of SCRs, each with a rating of 2000V and 50A are to beused in series-parallel combination in a circuit to handle 11KV and400A. For a derating factor of 0.15, calulate the number of SCRs in
The FM input to a PLL demodulator has an unmodulated center frequency of 10.7 MHZ. (a) To what frequency must the VCO be set (b) From which circuit is the recovered modulating signal taken
Explain the differences amonga truth table, a state table, a characteristic table, and an excitation table. Also, explain the differences among a Booleanequation, a state equation, a characteristic
Actel Corporation manufactures an FPGA family called Act 1, which has the multiplexer based logic block. Show how the function f=w2w3'+w1w3+w2'w3 can be implemented using only one Act 1 logic block.
Consider the function f=w1'w2'+w2'w3'+w1w2w3. Give a circuit that implements f using the minimal number of two-input LUTs. Show the truth table implemented inside each LUT.
Discuss the major difference(s) in operational characteristics for latches vs. flip-flops: compare the timing diagrams for the D latch and D-type positive-edge triggered flip-flop.
Create a state diagram for an FSM describing this sequencing behavior, having aninput bit B, and two output bits s1 and s0. Be sure to onlysequence forward by one item each time the button is press
When the input returns 1the sequence stops were it was left off. The output should change only on a rising clock edge. Make 000 the initial state. Assume an implicit rising clock is ANDed with every
A simple relay has an air gap of length 1.0mm and effective cross-sectional area of 1000mm2. The magnetising coilconsists of 1000 turns of wire carrying current of 200mA. Calculate the energy stored
1. Determine the capacitance for a capacitorif its impedance is 5000 ohms at 400 radians/second. 2.Calculate the frequency that will cause a100mH inductor to have an impedance of 15,708 ohms.
An engineer attempts to build a remotely actuated door lock for asecurity operation. The door is powered by an electromagnetic actuator whose coil can be modeled as a 500Ω resistor .The actuat
A digital communication system is being designed with twelveidentical network ports. Which type of schematic structture is probably most appropiate for the design
A sinusoidal voltage source vs = 100cos 105t V, a 500Ω resistor, and an 8 mH inductor are in series. Determine those instants of time, 0≤t < 1/2 T, at which zero power is being: (a)deliv
Design an OP AMP Relaxation Oscillator having a frequency in Hz equal to 462. Choose convenient values for the capacitorC and b. Determine thevalue of R using the formula for the period T.
A short- dipole antenna is placed at the origin while another short-dipole antenna is located at a point given in sphericalcoordinates as P (1000,π/4,π/4). Both Antennas arealigned parallel w