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1. Design an amplifier with a gain of -2 using Multisim.
2. Design an amplifier with a gain of 2 using Multisim.
3. What is the phase shift between the input and output signals of an inverting op amp?
4. What is the phase shift between the input and output signals of a non- inverting op amp?
Evaluating Coding Gain, CNR, and BER of a DSSS-CDMA Transmitter, a. A DSSS-CDMA transmitter sends message signals at a rate of 5.0 kbps using a long chip sequence with a rate of 1 M chips per second. In the receiver, what is the processing gain (a..
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
Discuss the trade-offs between fiber optic and satellite communication in terms of costs, signal capacity, signaling method, interference, likelihood of failure and repair issues, multipoint capability, reconfiguration capability, and noise.
calculate the resistor's resistance. If the bandwidth were cut to 25 kHz, determine the expected output meter reading.
Consider the convolutional code described by connection polynomials
Tuning methods for PID controllers, Investigating tuning methods for PID controllers of 2nd order and 3rd order control systems. Eg. Zieglar Nichols, etc
Determine the magnitude of the current when the machine develops its maximum gross power with the excitation held constant.
Calculate the minimum value of Vd if the power flow through the converter is 5 kW (a) from the ac to the dc side and (b) from the dc to the ac side.
A coil of 2000 turns surrounds a flux of 5 mWb produced by permanent magnet. The magnet is suddenly withdrawn causing the flux inside the coil to drop uniformly to 2 mWb in 1/10 of a second. What is the voltage induced.
Find the complex impedance of the inductance. Find the phasor voltage and current, and construct a phasor diagram. Write the current as a function of time. Sketch the voltage and current to scale versus time. State the phase relationship between t..
Power Factor, A single phase electric motor has an output power of 10 kW and an efficiency of 90% at full load. The motor is fed from a 240 V supply via a cable that has a resistance of 10 milli ohms per metre length.
Draw a relay construction diagram and briefly explain the operation of a relay.
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