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Need to create a microcontroller based signal gegerator which would generate sine, triangle and square waves. There should be two buttons(up/down) to adjust frequency and two buttons to adjust amplitude. The minimum resolution is 20mV and frequency range is 0 to 10kHz. When powered on the frequency, level and the waveform used on the last use should be used as default values. I can use only one 16F628 microcontroller and the code should be written in assembly only.(I need an explanation about the functioning of the circuit and the code also)
What property of the space charge region contributes to the collection of charge carriers and which is not present in the neutral regions where movement and collection are by diffusion. Which resistance term does this affect, series resistance, RS,..
assume that capacitor is completely discharged when tlt0. plot these graphs in matlab or any other computing software
An op-amp based amplifier has +/- 51 V supplies and a gain of -80.Over what input range is the amplifier linear. Find (a) the minimum and (b) the maximum values.
Design the logic to control the thermostat in a house. There isa sensor that compares the current house temperature to the desiredhouse temperature. If the current house temperature is below the desired temperature and the control switch is on
Production cost refers to prime cost plus 1. factory, administration and sales overheads 2. factory overheads
0.143-henry inductor is connected in series with a variable capacitor to a 208-volt 400-cycle source. For what value of capacitance will the current be a) 1.04 A leading b) 1.04 A lagging
Given a 1-phase 50 kVA 12.47 kV pf = 0.8 lagging static load a. Modeling the load as constant complex power, determine the correct value for S and I. b. Modeling the load as constant complex impedance, determine the correct value for Z and I.
To maintain a freezer box at -40°C on a summer day when the ambient temperature is 27°C, heat is removed at the rate of 1.25 kW. What is the maximum possible coefficient of performance of the freezer
find the new speed and power factor,when connected to 22oV,25 hz. supply,the motor current remaining the same .The motor has total resistance of 1ohm.and total inductance of 0.1 H.
Given a parallel RC circuit with input voltage Vs, resistance value of R, capacitance value of C, and Vo taken across the capacitor. For this circuit, Vo/Vs=1/(jwRC+1), so the gain is 1 V/V. Is there any way to modify this circuit to make the gain..
What is a delay loop and how is it developed?
A reservoir-type small hydroelectric system has a penstock that is 2 m in diameter,The speed of water at exit end of the penstock is 10 m/s.assume that the power coefficient is 40%,the turbine efficiency is 80%
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