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An antenna has a radiation pattern function given by
Find the main beam position, the 3 dB beam widths in the principal planes, and the directivity (in dB) for this antenna. What is the polarization of this antenna?
The bits of data arestored on circular tracks, with 77 tracks per side. The radius of the innermost track is (1/2)", while the radius of the outer most tract is 1(1/2)".The number of bits in one byte. How much area doesa bit stored on the innermos..
Describe the operation of the series RC circuit. The discussion must address phase angle relationships of current and voltage. The answer must include the effect of source frequency on the voltage drops across the resistor and the capacitor at ver..
A 150 MVA, 24 kV, 123% three-phase synchronous generator operates with an induced voltage that is twice the rated line-to-neutral voltage. Calculate the three-phase steady-state short-circuit current at the generator terminals.
Design a load resistor (resistance rating and power rating) network to have the transformer operate at full load. Design a second network for half load. You may need to combine several resistors to get the desired value.
calculate the potential variation vx electric field and the depletion layer width for a graded p-n junction that is
Design a circuit that will SAFELY convert the output of a 60-Hz6.3V (rms) transformer into a source of TTL-level pulses, all withrepetition rate of 60 Hz and in synchronization with the sine wavesthat come from the transformer.
Write a computer program to solve the dispersion relation V(1-b)^0.5 =mπ+arctan(b/(1-b))+arctan((b+a)/(1-b)). (a) We wish to fabricate a planar waveguide in GaAs (n = 3.6) for light of wavelength λ = 1.3 μm that will operate only in the fundamen..
Let h(t)= (1/(R*C))*(e^(1/(R*C)))*u(t) be the impulse of an RC circuit and x(t)= u(t) an input to that circuit. 1. Find X(jω) and H(jω), which are the Fourier transforms of x(t) and h(t). 2. Form the product Y(jω)=H(jω)*X(jω) the Fourier transform of..
A 10 MVA, 6.9 KV. star connected generator has positive, negative and zero sequence reactance of 25, 20 and 7% respectively. An inductive reactor with 6% reactance based on the rating of the generator is placed in the line from neutral to ground.
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
Design the instruction decoder using AND, OR, and inverter gates todecode the 3-bit op codes (bits D7, D6, D5, of 8-bit instruction)and produce the ADD, SUB, IN, OUT, and MOV control signals (thecontrol signal will be "1" when i asserts)
Consider a Δ-connect, 25 kVA, 480 V, 60 Hz, six pole synchronous generator. The field current is set such that the line voltage is 504 V when supplying a rated load. Consider the armature resistance to be negligible.
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