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A) Compare and contrast the following serial bus architectures: I2C, CAN, UART. Discuss the hardware implementation, communication protocol, and typical applications of each.
B) Explain the concept of bit dominance used in CAN bus.
C) Draw a timing diagram for the SDA and SCL signals for the transmission of the word 0xA5 (10100101) across an I2C bus. (From Master to slave)
SCL
SDA
DAC and ADC
A) Define the following:
i. Resolution
ii. VLSB
iii. Full scale
iv. Monotonicity
v. Gain error
vi. Offset error
B) Discuss the differences between voltage-scaling and current-scaling DACs, including advantages and disadvantages of both What is the benefit of using an op-amp in the current scaling DAC?
C) What is meant by sample and hold? Why are transmission gates better in S&H circuits than single transistors?
Show that the Hall coefficient for a p-type semiconductor is R_H=1/pe where p is the hole concentration and e is the electron charge. Assume the current is along the +x direction, the magnetic field is along the +z direction, and the Hall electric..
A person shuffling across a dry carpet can be approximately modeled as a charged 100-pF capacitance with one end grounded. If the person touches a grounded metallic object such as a water faucet, the capacitance is discharged
Three point charges are positioned in the x-y plane as follows: 5 nC at y = 5 cm, -10 nC at y = -5 cm, and 15 nC at x = -5 cm. Find the required x-y coordinates of a 20-nC fourth charge that will produce a zero electric field at the origin.
A 3.5inch floppy disc has a nominal capacity of 2 MB. Note that there are eight bits to a byte. Estimate the area of magnetic material allocated to each bit of information. Clearly state any assumption made and carefully note any measured quantiti..
Compute the rectangular form of the four-point DFT of the following signal, which is zero for n =4. Compute the inverse DTFT of: X(ω)=sinΩ cosΩ
1- Find the voltage across the inductor for t > 0 2- Sketch the voltage and the current as a function of time 3- Find the power ( in microwatts) at the terminals of the inductor when t = 200 ms
Consider a satellite communication link with a one way propagation delay of 300ms between the sender and receiver, operating at 10Mbps using packets of length 1500bytes. Length of the ACK packet is also 1500 bytes.
a.) What isthe minimum sampling frequency to avoid aliasing b.)If the sampling frequency of fs=2500 samples/sec is used how many samples must be taken to give a frequency resolution of 10Hz
Control Systems: Operation of a PID, Which one of the following statement regarding to operation of a PID is true?
A control system for positioning the head of a floppy disk drive has the closed-loop transfer function T(s)=11.1(s+18) / (s+20)(s^2+4s+10). Plot the poles and zeros of this system and discuss the dominance of the complex poles.
Despite the advantages to the synchronous alternator there is a downside and this has to do with keeping the load balanced on such a machine. Why is balancing the load so important to the synchronous alternator?
(a) Determine a unit vector in the direction of Q at P(1, 2, 1) (b) Find the component of Q at P in the direction of PT where T is point (5, 3, -4) (c) Where is Q the same as the unit vector of \(a_{x}+11a_{y}+10a_{z}\)
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