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What distinguishes an external interrupt from an RTI interrupt?
Describe what transpires when an interrupt occurs?
What is an interrupt service routine? What benefit does the ISR have over standard polling code?
Pulse Generator, Using one 555 timer, design a pulse generator that will have the following continuously variable ranges
A 200hz(mode 1), 50% duty cycle square wave is to be generated at Timer0 interrupt. a) write a main program that would set Timer0 and the interrupt,and then force the first interrupt.
Consider a permanent-magnet dc-motor with the following parameters: Ra=0.35Ohms, La=1.5mH, Ke=0.5V/(rad/s), Kt=0.5Nm/A, and Jm=0.02kgm^2. The rated torque is 4Nm. This motor is supplies by a switch-mode dc-dc converter
When a square wave with a fundamental frequency of 2khz and amplitude 5v and comprised of up to five odd harmonic (each successive odd harmonic having half the amplitude of its predecessor) is passed though a standard telephone line of bandwidth o..
Perform the following addition or subtraction of the given numbers using 8-bit 2's complement representation of the numbers. Parts (a) and (b) are given in decimal, while parts (c)-(e) are given in 8-bit 2's complement.
A three-phase substation transformer operating at 34.5kV is loaded to 24 MVA. What is the per-phase current? (assume balanced conditions)
Supply the quantisation levels (including zero) that are available. Do this for both the three and 4-bit ADC in table form. What is the resolution of each quantizer?
Concider an ac circuit source with an rms amplitude Irms connected to a parallel RLC circuit with resistance R, inductance L, and capacitance C. Derive an expression for the time-average power dissipated by the circuit
The intensity of solar radiation is 1366.1 W/m2 in space. This light strikes a 10 m2 solar panel of a satellite. Assuming that all the light is absorbed, how much force (momentum per second) is transferred
A negative feedback amplifier has a close-loop gain Af=100 and an open-loop gain A=105. What is the feedback factor If a manufacturing error results in a reduction of A to 103, what close-loop gain results
Assuming that only integer multiples of a unit bipolar transistor having IS = 3 x 10-16A can be placed in parallel, and only a single voltage source, VB, is available (Fig. 4.54), construct the required circuit with minimum number of unit transist..
Design a simple BJT amplifier circuit for receiving the over-the-air HDTV signals. The circuit should have a voltage gain of 10-100, assuming your signal source (antenna) is connected to amp through a cable with an impedance of 75
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