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1. How much noise can be tolerated in a digital system using a 5 V power supply?
2.What functions does an H-bridge perform in controlling a small DC motor?
3.Explain how to calculate the duty cycle of a pulse in terms of frequency and width.
4.Explain how to calculate the duty cycle of a pulse in terms of frequency and width.
5.Why is bit stuffing needed on a CAN system?
6. A communications channel has a bandwidth of 1,000 Hz and a signal-to-noise ratio (SNR) of 40 dB. What is the maximum possible data rate?
Determine the surface charge density on each conductor.
a) At what time does the peak value of the AC signal occure b) What is the frequency,f,of the AC signal c) What is the period,T,of the AC signal d) At what time does the negitve peak value of the AC signal occur
1. What is the step response equation for charge time 2. How to determine the current in RLC circuit using the osciscope 3. List three reseasons why the measured value and pspice value for tau are different.
You do some quick measurements and find that the area of the lagoon behind the dam would be about 5m wide by 20m long, and the lagoon would be about 3m deep at high tide, and 1m deep at low tide.
(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.
MOSFET Amplier Sketch the 4-resistor bias network for an amplier with an n-channel enhancement-mode MOSFET, with R1 = 1Mohm ; R2 = 1:5Mohm ; RD = 75kohm ; Rs = 39kohm ; K = 25microA/V2 ; VDD = 10V and Vto = 1V.
A 480V, 60 Hz three phase induction motor has the following parameters: R1=R' 2= .3 ohms Xeq= 1 ohm Xc=600 ohms At full load, the motor speed is 1120 rpm, the rotational loss is 400W and the core loss is 1 kW.
An AM broadcast receiver's pre-selector has a total effective Q of 90 to a received signal at 1180 kHz and uses an IF of 455 kHz. Calculate the image frequency and its dB of suppression.
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?
The cylindrical coaxial cable with the cross section shown below, has inner and outer radii of 5mm and 15mm respectively. The dielectric parameters are; er=2, signma=5*10^(-10) S/m and Ur=1
Design a 16 bit adder using both the ripple carry and CLA methods. Use 4-bit CLA blocks for the carry-lookahead design. Use only two-input logic gates in your design. Simulate the design using LogiSim at the logic gate level.
An 8cm diameter hydraulic cylinder has a 4cm diameter rod. If the cylinder receives flow at 100Lpm and 12MPa, find the a) Extension and retraction speeds b) Extension and retraction load-carrying capacities
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