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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.
What is the use of modem control unit in 8251? The modem control unit handles the modem handshake signals to coordinate the communication among the modem and the USART.
Tri State Devices Tri State devices have three states logic 1 logic 0 and high impedance. A tri state device ( Buffer/ Inverter) has three lines output enable as shown
Determine the Service and Backwash Rates The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, s
Connection of Shunt Capacitors at 11 kV Substations 11 kV automatic switched capacitor banks are installed on bus of 33 or 66 kV substations. This has the facility that the re
what is frequency response plot?
how to design load forecasting
Indirect Addressing In this addressing mo e also ne of the operands is the stored in the memory. The memory address of the operand is specified by the register pair.
Q. Write a short note on the frequency response of a R-C coupled amplifier. At low frequencies ( , the reactance of coupling capacitor Cc is quite high and hence very small pa
discuss the factor affecting the emf induced in electric machines
Return Instructions These instruction are used to transfer the program sequence from subroutine to the calling program. Basically it restores the previous contents of th
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