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Analyze a balanced mixer using a 180? hybrid junction. Find the output IF current, and the input reflections at the RF and LO ports. Show that this mixer suppresses even harmonics of the LO. Assume that the RF signal is applied to the sum port of the hybrid, and that the LO signal is applied to the difference port.
Light is incident from air to glass at Brewster's angle. Determine the incident and transmitted angles. Glass has refractive index n2=1.45.
Sketch magnitude and phase responses (as linear gain versus digital frequencies) for each filter (use [0,π]). Indicate filter type. Find cutoff frequencies if sampling frequency in 30 kHz. Use 6 points only. Do not use MATLAB.
A conical section of material extends from 2.0 cm = r = 9.0 cm for 0 = (theta) = 30° with (permitivity) = 9.0 and (omega) = 0.020 S/m. Conductive plates are placed at each radial end of the section. Determine the resistance and capacitance of the ..
A charge density of ohm Coulombs per square meter is uniformly distributed over a thin and very long cylindrical shell of radius a. You want to know the electric flux density field D and the electric field E generated by this charge at all points ..
a)- Determine the type of forward path amplifier needed to make sinusoidal oscillator from your filter. b)- Predict the frequency of oscillation and the gain of the amplifier needed for oscillations. c)- Draw the filter and amplifier
Determine the signal/noise ratio (Eb/No) in input of the receiver for each modulation format presented below if symbol error rate (SER) is required to be 10-^4 (use the coherent detection), for the solution the appropriate graphs can be used inste..
Describe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code.
Five periods of the signal s(t)=sin(2500pi*t) are sampled at a sampling frequency of 4000 Hz. a. Does this sampling frequency meet the Nyquist requirement for the signal? b. How many samples are collected
Consider a 75kVA, 7500/480V, 60 Hz distribution transformer and following test data: O/C Test (on Primary) - VOC = 7500V, IOC = 0.35 A, POC = 473 W and S/C Test (on Primary) - VSC = 499V, ISC = 10A and PSC = 1050 W. Determine the following:
An alphanumeric source is connected to voice-grade telephoneline with a useable bandwidth of 3000 Hz and SNR of 20 dB at theline output. Assume that the source has 128 equiprobable andstatistically independent characters. If the channel noise is w..
What is ups and its types, operation ,advantage and disadvantage.
(a) Show the truth table of a 3-input-8-output binary decoder (without enable logic). (b) Construct a 3-input-8-output binary decoder using NOT, AND and OR gates (without enable logic).
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