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a 10 khz sinsudal signal is used to amplitude modulate a sinsoidal carrier frequency of 50 khz the number of frequency components that would be included in the resulting DSP AM waveform would be
An Ericson cycle operates on 0.227 kg of nitrogen from 650oC to 92oC. If 68kJ of heat is added during the isothermal expansion process, determine a) the overall expansion ratio; b) the heat transfer
A) What is the state diagram, extra states B) transition table, (8 states with 2 unused that need to be addressed) C) K-Maps D) Equations E) Logic Diagram: replace basic logic gates with NAND and Inve
The unused states have to be taken care of in such a way that Even numbered unused states will go to state 7 and Odd numbered states will go to state 3. The combinational logic portion of the circui
An AM modulator operates with the message signal: m(t) = 9 cos(20πt) - 8 cos(60πt). The unmodulated carrier is given by 110 cos(200πt), and the system operates with an index of 1/2. a. Writ
A measurement team has determined that the average path loss exponent in the system isn n= 3. Determine the major radius of each cell if a seven-cell reuse pattern is used. What is the major radius
If 20 MHz of total spectrum is allocated for a duplex wireless cellular system and each simplex channel has 25 KHz RF bandwidth, find: (a) the number of duplex channels (b) the total number of channe
Assuming the resistance versus temperature function to be linear, determine the expected resistance of the material at 0 degrees celcius( the freezing point of water) and at 100 degrees celcius (the
An electrical device has a linear temperature response. The device has a resistance of 120Ω ata temp of -20 degrees celcius and a resistance of 190 Ω at a temp of 120 degrees celcius. a.
Nichrome wire is used to construct heating elements. Determine the length of 1.0 mm diameter Nichrome wire needed to produce a heating element which has a resistance of 2.0Ω at a temperature o
If the output of a low-pass RC filter is 12 dB below its maximum at f = 1 kHz, then how far below the maximum will the output be when f = 10 kHz
What is the equivalent admittance of the circuit for Z1 = 12, Z2 = 5 - j7, Z3 = 4 + j36 and Z4 = j10 (all in ohms) Note: Z1 and Z3 are in parallel connected to Z2 + Z4 in series, equal Zt || to Z1||Z3
An analog system requires an antenna signal power of 100pW to meet the required detected signal-to-noise ratio. Other system parameters are given as follows: Gt(dB) =4dB determine the minimum value
Calculate the minimum number of PN bits required for each frequency hop for an FHSS system that employs a total bandwidth of 800 MHz and an individual channel bandwidth of 200 Hz. If this system use
A) Determine the individual residues at the single poles at s = 0 and at s = -1 B)determine the two residues at the complex conjugate poles C) using the inverse laplace transform of the single poles a
a) An Si p+-n junction has A=1/100 cm^2 and N(donor)=10^15/cm^3 on the n side. Calculate junction capacitance with reverse bias of 10V. b) An abrupt p+-n junction is formed in Si with donor doping of
An emitter-follower circuit is built using an npn transistor with ß=100 and with RE =1k-ohm. What is the input impedance of the open circuit. If a load of 100-ohm is connected to the output of
A balanced transmission line picks up an undesired signal with a 5-mW level. After conversion to an unbalanced signal using a center-tapped transformer, the undesired signal is 0.011 uW. Calculate t
where ω0 is a constant, and Y, θ are statistically independent random variables. Assume that Y has a mean value of 3 and a variance of 9, and that θ is uniformly distributed from -
A gold wire (resistivity of 2.44× 10(-8) Ω·m and a temperature coefficient of 3.4×10(-3) °C-1) with a radius of 0.100 mm has a uniform electric field of 2.50 V/m imposed along
(a) Calculate the radius of the orbit that would be perfectly circular under the Coulomb force. (b) Treat the electron as a current loop. Calculate the resulting torque when the electron-alpha syste
A filter has the following design specifications: Cutoff frequency 1500 Hz Second-order Butterworth highpass filterSallen-Key circuit topology Determine the transfer function and realize it using the
Determine the transfer function of the second-order (2 poles) lowpass Butterworth filter with a 3-dB cutoff frequency of 5 kHz. Design it using the Sallen-Key lowpass filter configuration, find all th
One of the home satellite services uses a dish antenna having a diameter of 18" (0.457 m) and frequency of 12.45 GHz. If the illumination efficiency is 70%, determine the gain of the antenna in dB