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Consider the following signals, sketch each one of them and comment on the periodic nature:
(a) x(t) = A cos(2πf0t + θ), where A, f0, and θ are the amplitude, frequency, and phase of the signal.
(b) x(t) = ej(2πf0t+θ) , A> 0.
(c) Unit step signal u-1(t) defined by u-1(t) =
(d) Discrete-time signal x[n] = A cos(2πf0n + θ), where n is an integer.
An n-channel depletion MOSFET, for which I DSS = 7mA and V P = 4 V, is said to be operating in the ohmic region with drain current i D = 1 mA when v DS = 0.8 V. Neglecting the
Q. The current through a 2.5-mH indicator is a damped sine given by i(t) = 10 e -500t sin 2000t. With the aid of MATLAB, plot the waveforms of the inductor current i(t), with v
Q. What is an amplifier? What are the various types of amplifiers? AMPLIFIER: A circuit that increases the amplitude of the given input signal is an amplifier. A small a.c. sig
1. Derive the necessary formula/method to determine the effective value or RMS of a triangular wave. Use either a similar method to the class example of the RMS determination
Q. What are the benefits of ccs over in-channel signalling? The benefits of CCS over in-channel signalling are listed below: a. Information can be exchange between processor
Define Johnson Counters to Produce a Time Delay? The "serial in-serial out" shift register can be used as a time delay device. The amount of delay able to be controlled by:
What is the purpose of carry (c) flag and zero (z) flag? Carry flag conatins the carry after addition or borrow after subtraction. This carry flag also shows error conditions,
Q. What is the significance of giving a negative voltage to the gate higher than that of the source? This is done to reach the saturation at a lower of level of V DS . The re
explain working
why we configure bjt using h parameter model
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