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Wien Bridge Oscillator: Simulate the oscillator in Simulink with a gain block of 3.1 and a feedback transfer function of s/(1 + 3s + s2). Include a saturation element and limit the amplitude at 10v peak to peak. To get the oscillation to start in Simulink, add a small step of amplitude 0.1v to the amplifier input. Plot the output on the scope.
Give an example of an RC circuit whose transient behavior cannot be modeled by having a function generator with square wave output replacing the mechanical switch.
Place the relay in the Collector circuit, the resistor in the Base circuit and the diode in parallel with the relay to provide a path for current due to energizing the relay.
Compute the first 10 samples of the step response for the nonrecursive difference equation: y(n) = x(n) -0.5x[n-1]-0.7x[n-2] Indentify which of the following filters are recursive and which are nonrecursive.
1. Calculate the Fourier transform of f(t)=5 sinc ([t-0.2]/2), and graph the magnitude and phase as function of f. 2. A military satellite uses 10 GHz for the downlink frequency. The distance to the satellite is approximately 36000 km.
Design a circuit that, given a 2-bit value, will light a LED corresponding to that value. One of four LEDs should be lit for each of the four possible input values (binary 0 through 3).
Given that the number of charges measured at t1 is n1 = 2.20×10^19, and the number of charges measured at t2 is n2 = 7.15×10^19. Find the current flow if the time interval between t1 and t2 is 2 s.
In a Zigbee network, Coordinators and Routers can't "sleep", i.e. enter a low-power, inactive mode. Why is this What implications are there because of this on the structure and applications of a Zigbee network
consider a fax/xerox outlet, processin files of various size. the size (in number of pages) of the files to be faxed or xeroxed has a geometric (p) and poisson (a) PMFs respectively. An arbitrary file arriving at the outlet is a fax file with prob..
A 75 lossless line is terminated in error with a 93 resistor. A generator sends 100 mW down the line. (a) What is the SWR on the line (b) What is the reflection coefficient
Make a table showing Temperature as a function of pressure for Psat from 20 to 600 psia every 20 psi, and another table showing pressure as a function of temperature from 150 degrees to 350 degrees every 20 degrees.
Write down the principle of energy conversion and give an example for single and double excited system.
A 1000 turns wire are tighly wound on a toroid with a rectangular cross section, the heigh of toroid is 0.5 cm . The inner and outer radii of 2 cm and 3cm respectively. The current in the wire I=100 mA, Ur = 4000. N= 1000, Find H,B,phi and inducta..
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