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A 3-D cubic unit cell contains four atoms whose centers are positional halfway up along each of the vertical cell edges and one atom each centered in the middle of the top and bottom faces. a. How many atoms are there per unit cell?
(c) Use a single 4-to-1 multiplexer with an active low enable and an active high output and a minimum of additional gates. Show the function expansion both algebraically and on a Karnaugh map.
what is transmission velocity and how it is different from drit velocity. Drift velocity the actual (physical) velocity of electrons along the wire.
A linear CW product detector local oscillator has a 500 Hz error while detecting an AM signal. What will the receiver's output sound like What if the receiver is listening to a DSB or SSB signal
1) Two signals are said to be orthogonal if the integral of the product of the signals is 0 over one period of the new (multiplied) signal. Assume x(t) and y(t) are orthogonal energy signals with energy, Ex and Ey, respectively.
A long narrow rod has an atomic density of 5*1028 m-3. Each atom has the polarizability of 10-40 F m2. Find the internal electric field when an axial field of 1 V/m is applied.
S = {c(k + jl) | k = 3, 1, 1, 3 and l = 3, 1, 1, 3 and j = square root of -1, where c is a constant. Determine the value of c to ensure a unit energy constellation. Sketch this constellation. Find d^2 min and label the constellation points with bi..
A coaxial line 5.6m long has distributed parameters R=6.5ohm/m, L=3.4 uH/m, G=8.4 mS/m, and C=21.5 pF/m. If the line operates at 2MHz, calculate the characteristic impedance and the end-to-end propagation time delay.
Discuss different types of addressing modes of HCS12. What is a relative addressing mode What is the difference between a direct and an extended addressing mode Discuss how Registers X and Y are used in index addressing mode.
A signal x[n] is formed by sampling a signal x(t) = -4sin(200*pi*t) at a sampling rate of 400Hz. Graph x[n] over 10 fundamental periods versus discrete time. Then do the same for the sampling frequencies of 60 and 200Hz.
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op amp characteristics cause any challenges if used for each application What effect will high source resistance have on your output volta..
Single pole amp. has an open loop gain 10^6 and open loop bandwidth of 10Hz. If the feedback factor =1, calculate the gain and bandwidth after the feedback
Telephone channels and PCM analysis, The analog to digital converter (ADC) used in a telephone system outputs 8 bit words. The digital words are transmitted as a serial stream to form a PCM voice signal
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