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Assume that a in the flow graphs shown in Figure P6.47 is a real number and 0
(a) Assume that the two systems are implemented with two's-complement fixed-point arithmetic, and that in both cases all products are immediately rounded (before any additions are done). Insert round-off noise sources at appropriate locations in both flow graphs to model the rounding error (multiplications by unity do not introduce noise). Assume that each of the noise sources inserted has average power equal to
(b) If the products are rounded as described in part (a), the outputs of the two systems will differ; i.e., the output of the first system will be y1[n] = y[n] + f1[n] and the output of the second system will be y2[n] = y[n] + f2[n], where y[n] is the output owing to x[n] acting alone, and f1[n] and f2[n] are the outputs owing to the noise sources. Determine the power density spectrum of the output noise f1f1 (ejω). Also determine the total noise power of the output of flow graph #1; i.e., determine
(c) Without actually computing the output noise power for flow graph #2, you should be able to determine which system has the largest total noise power at the output. Give a brief explanation of your answer.
When a HIGH is on the output of the decoding circuit below, what is the binary code appearing on the inputs?
Find the intrinsic gain of an NMOS Transistor fabricated in a process for which kn'=200 uA/V^2 and V'A =20 V um. The transistor has a 0.5-um channel length and is operated at Vov=0.25 V. If a 2-mA/V transconductance is required, what must ID and W..
What is the magnitude and direction of the electric field along the axis of the ring?
A certain transistor is to be operated at a collector current of 50mA. How high can VCE go without exceeding a PD(MAX) of 1.2W?
a generic rectifier is supplied from a 115v 60hz ac source and operates with a firing angel of 30 degrees. For the output voltage of the rectifier find: The dc component The rms value othe ac component
The rotor of a 3phase, 5kw, 400v, 50Hz, slip ring indution motor is wound for 6 poles while its stator is wound for 4 poles. The approx average no load steady state speed when this motor is connected to 400v, 50Hz what is the supply
Attach a capacitor of value 0.001μF in parallel with the feedback resistor of your non-inverting amplifier. At what frequency will the gain be down by 3dB. Draw and design a non-inverting amplifier with a gain of 6 V/V.
A sin wave that is full wave rectified, has the following properties: Vmax=13 Period=1mS Calculate Vrms.
Imagine we discharge this capacitor by connecting its plates with a wire of resistance R.
The time taken to download software from the internet is uniformly distributed between four and ten minutes. A. What is the probability that the downloading time for software is more than six minutes B. Prob that time is between five and eight minute..
Your circuit has an input, controlled by a switch, that specifies which of the two names are displayed. For example, 0 displays JOsias and 1 displays KAbimb in Braille. A separate LED will be used to indicate the end of the sequence.
The quantization step size or resolution, ?, if the signal range is 5 volts;
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