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A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter? How much modulating signal power is needed to produce 100 percent modulation?
The photoelectric threshold wavelength for Tungsten is 2300 Å. Find the energy in eV of the emitted electrons from the surface by ultraviolet light of wavelength 1800 Å.
If the capacitor in the previous problem has a plate separation of 1 mm, what is the average displacement current, to the nearest tenth of a microamp, during that time period Assume a resistance of 180006 ohms and an applied voltage of 14 volts.
What is the value of RTH?
Given the surface charge density,ρs =2μ c/m2 , exsisting in region ρ=0.2m, z=0, find E at (a) PA(ρ=0, z=0.5); (b) PB(ρ=0, z=-0.5). Show that (c) the field along the z axis reduces to that of an infinite sheet charge at small values of z
Given transfer function of dynamic system: T(s)= (2s^2 + 2s + 3) / (s^3 + 4s^2 + 6s + 10). write down state equation and output equation in Controllable Canonical Form and in Observable Canonical Form.
An unspecified resistance, R, and a 12Ω resistor are both connected across a 24V source in parallel. The power dissipated by R is 12W. Determine the value of R and the total power delivered by the source.
A DC motor is driving a load given by TL = 2 + 0.02ωL Nm , where ωL is the speed in rad/sec. The armature resistance of the motor, Ra = 2Ω . The machine constants, kE=kT =0.4 (in SI units).
The reliability performance of each microprocessor is based on the exponential reliability distribution with the following failure rates: A = 23.5 × 10^-3 , B = 12.5 × 10^-4 , C = 12.5 × 10^-4 and D = 23.5 × 10^-3
A canonical base for H7 is {(0000001), (0000010), (0000100), (0001000), (0010000), (0100000), (1000000)}. Express the vector (1010111) as a linear combination of the elements of the canonical base.
The output is asserted high (Z=1) whenever the input sequence 1101 has been observed during the past four clock cycles, as long as 1001 has never been observed. Draw the state diagram for the finite state recognizer. (Overlapping sequences are all..
a) Using Shannon's expansion theorem, expand F about the variable d. b) Use expansion in (a) to realize the function using two 3-variable LUTs and a 2-to-1 mux. Specify the LUT inputs. c) Give the truth table for each LUT.
A platinum resistance coil has a resistance at O0 C of 100 . Determine the change in resistance that will occur when the temperature rises to 30°C if the temperature coefficient of resistance is 0.0039 K-1.
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