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A message signal m(t) is normalized to peak voltages of +- 1V. The average power equals 20mW. To transmit this signal by binary PCM without compression, uniform quantization is adopted. If the SQNR is required to be atleast 43dB, determine the minimum number of bits required to encode the uniform qu...
List and describe the components of IT infrastructure that firms need to manage.
Determine the position x and the tension in the cord that is required for equilibrium. The cord passes through the smooth ring at B and has an unstretched length of 6ft and stiffness of k = 50lb/ft.
In a two-winding transformer N1 = 2000 and N2 = 500 and the supply voltage V1 = 1200 V. The transformer has winding resistances R1 = 2.0ohm and R2 = 0.125ohm , and leakage reactances X1 = 8.0 and X2 = 0.5ohm
A combinational circuit is defined by the following three Boolean functions. Design the circuit with a decoder and external gates. f = x y z + xz g = x y z + xy h = x yz + xy
Interface TTL logic to 120 VAC lamp. In this part of the lab, you will interface lowpower solid state electronics to the "outside world" by switching the 120 VAC lamp on and off using the AND gate from the previous experiment.
Explain what a limit switch is, its function, and how it affects the control circuit.
How are Zener diodes specified? Define the important specification factors for the device
The capacitance of a MOS structure is shown in the attached figure. (n+ polysilicon gate, SiO2 insulator, Si substrate). The plot is not necessarily to scale.
Find the largest allowable signal swing (peak-to-peak) at the collector to satisfy the two conditions: BJT remains active , and vbe limited to 5 mV . What is the corresponding allowable peak-to-peak input voltage vi
(a) If E=Exax andH=Hyay, begin with Maxwell's equations anddetermine the second order partial differential equation that Ex must satisfy. (b) Show that Ex=E0 cos (ωt-βz) isa solution of that equation for a particular value of β.
Determine the capacitance as a function of Ri and Ro. If the dielectric is polystyrene of relative permittivity, εr = 2.6, calculate the capacitance of an isolated conducting sphere of a radius 0.4cm(i.e., Ri=0.4cm and Ro goes to infinity).
design must mention the values of the resistors, capacitors, average and maximum current through the diodes, transformer turn ratio and the current carrying capacities of the transformer coils. Present these values neatly in a tabular form.
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