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Compute z in decibels required to give PE = 10-7 for noncoherent, binary FSK and for DPSK. For the latter, carry out the computation for both the optimum and suboptimum detectors.
Find the signal-interference ratio in dB when 120-sectoring antenna is used and the propagation coefficient n =3. If a cluster is replicated 10 times within the system, find the total number of users
What is the composition of the alloy and what is the temperature at which the first solid phase solidifies? (Estimates rounding to convenient numbers are sufficient.)
Draw a block diagram for a datapath that contains: an 8-word, three-port register file; an ALU that accepts operands either from the datapath or from an external source; and a shifter that shifts th
A portable electric garden tool uses a 11 volt rechargeable battery pack with a rated capacity of 2.1 amp-hours. If the tool is used with a continuous power output of 0.2 horsepower, what is the exp
A receiver produces a noise power of 200 mW with no signal. The output level increases to 5 W when a signal is applied. Calculate the signal-to-noise ratio as a power ratio and in decibels.
A sequential circuit receives decimal numbers encoded in BCD one digit (4 bits) at a time, starting with the least significant digit. The circuit outputs are the 10's complement of the input number,
In telecommunication systems, Time-Division Multiplexing and Frequency -Division Multiplexing are used. Give detailed explanations for both systems and give succinct examples for each of them.
Design an op-amp astable multivibrator to have an output frequency of 400Hz and the frequency should be adjustable by plus or minus 20%. Use a 741 op-amp with supply of plus or minus 18 volts.
A device moves 120 coulombs of charge from point a to b in 8 seconds. the distance between a and b is 6 cm. the energy expended in moving the charge is 600 Ws. calculate the voltage between a and b.
Estimate the mass transfer area per unit volume (a) for this column, estimate the Hoy value for this column and calculate Noy and estimate the height of the column using your answer for Hoy
A 6-bit A/D converter with a full-scale voltage of 20 V is to be employed in a binary PCM system. The input analog signal is adjusted to cover the range from zero to slightly under 20V, and the conv
1) Determine the number of possible PCM values that can be encoded for (a) 6 bits and (b) 10 bits. 2)it is desired to represent an analog signal in no less than 500 values. determine the minimum num
Shannon's Law describes the relationship between bandwidth, signal power, and noise in determining the theoretical maximum Capacity in bits per second of a particular communications channel.
The work-piece motion of a certain system is measured using an LVDT that outputs 12mV/cm. (i) If the output from the LVDT ranges from -12mV to 24mV, what is the maximum horizontal motion of the work-p
Show how to wire the two gauges and two fixed 150 W resistors into the bridge circuit to provide temperature compensation, using the graphs given on the right. The plastic tube has an outer diameter
A photovoltaic cell is to be used with radiation of intensity from 2 to 15mW/cm2. If an optical source with a radius of 0.1cm is 200m away from the sensor, find the maximum power if the divergence i
Design and sketch a current source that delivers 1uA to a load. The sum of all resistors used should be <20k ohms. Assume Vcc=10V and that the negative rail is 0V. If you use a BJT, you may assum
Design a m-seguence PN generator using 3 shift registers. Show design procedure circuit and PN sequence and find 16 Walsh codes for modulating (encoding) a 4-bit data packet
A PCM channel consists of 10 links, with a regenerative repeater at the end of each link. If the detection error probabilities of the 15 detectors are p1, p2, ....... , p15, determine the detection
Identify the intervals of interest for performing the convolution {x[n]*h[n]} on the following LTI system. This experiment requires that you write the summations for each interval of interest, but d
An RLC circuit consists of a 25 mH inductor, a 0.001 µF capacitor and a variable resistor connected in series. The initial charge on the capacitor at t = 0 when the switch is closed is 1 mC. Wha
Design a circuit that can perform BCD addition on two decimal digits. You don't have to design any of the major components you may use (such as adders, comparators, etc.). Assume all those component
Distortion per data symbol is negligible and the time variation during a symbol period is negligible - what is the appropriate range of the symbol duration in this communication system?
Unfortunately, nick is pretty lazy and doesn't want to design another filter. thinking twice the filtering gives twice the proforamce," he suggests filtering the audio signal not once or twice with