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The left and right channels of a analog stereo signal are sampled at a 45kHz with each signal being converted into a digital bit stream using a 12-bit A/D converter. Determine the combine bit rate of the two channels after sampling.
Design a circuit to compute F = (A*B*C) +3*D+12. where A,B,C and Dare 16-bit inputs, and F is a 16-bit output. Use 16-bit multiplier and adder components, and ignore overflow issues.
Consider a BPSK signal where each bit is represented by a triangular pulse with width T and height A. What is the "energy per bit" for this BPSK pulse with A=1V and T=0.002s
Design and sketch a current source that delivers 1uA to a load. The sum of all resistors used should be
Create the Walsh code matrix for a W16. (c) For IS-95, on the forward link, list the Walsh code assigned to the various logical channels (hint: there are 64 Walsh codes)
Two large flat charged plates are fixed parallel to one another in a large tank of distilled water (Er=81) with a total surface charge of 41.25×10-7 C on each plate (with opposite polarities). The plates are square, 4 m each side.
If someone presses the 1 or First floor button, the elevator should go to the 1st floor, open the door and remain in this state for a small amount of time, then close the door. Assume the elevator takes one clock cycle to travel.
In a circuit, a resistor is only element that has resistance. The generator voltage varies in time, where the amplitude of e max= 1.2 volt and emf freq.= 0.5 Hz , which the max current is equal to the max current when the freq. of emf = 3.0 Hz,
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.
Electrostatic scaling: prove that electrostatic force between the two plates of a charged capacitor is a surface force (~L2); How about the stored energy under constant voltage on the capacitor (~L1, ~L2, or ~L3)
a critically damped parallel rlc circuit is constructed from component valures 40Ω, 8nF, and 51.2μH, respectively. verify that the circuit is indeed critically damped and then explain why the circuit once fabricated is unlikely to be trruely criti..
The 16giga-byte (GB=2^30 bytes) flash memory chip for an MP3player is 11mm by 15mm by 1mm. This memory chip holds 20,000photos. a) How many photos fit into a cube whose sides are 1mm
Starting from the expression for the MOSFET unity-gain frequency, fT=gm/2*pi*(Cgs+Cgd) and making the approximation that Cgs>>Cgd and that the overlap component of Cgs is negligibly small, show that for an n-channel device fT=3*un*Vov/4*pi*L^2
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