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For the system of given figure, using a DMM with a 10-MΩ internal resistance in the voltmeter mode:
a. Determine the voltmeter reading four time constants after the switch is closed.
b. Find the time that must pass before iC drops to 3 µA.
c. Find the time that must pass after the closing of the switch for the voltage across the meter to reach 10 V.
A 6600V/230V, 50Hz single phase core type transformer has a core section 25cmX25cm. Calculate the approximate number of primary and secondary turns if the flux density in the core should not exceed 1.1Wb/m2.
Determine ideal impulse response using inverse discrete-time Fourier transform. An ideal low-pass filter is described in the frequency-domain by
An amplifier using balanced power supplies is known to saturate for signals extending within 1.2 V of either supply. For linear operation its gain is 500 V/V. What is the rms value of the largest undistorted sine-wave output available,
Design an 8th order, type 1, FIR low-pass filter having a cutoff frequency of 8Hz for a signal acquired using 64Hz sampling rate.Use the window method with a hamming window. Note that youdon't need matlab to solve this exercise.
An open-circuited 50 Ω microstrip transmission line is used ina microwave amplifier circuit to provide a capacitance of 3.2 pF at2.3 GHz. (a) Find the appropriate electrical length of the line
Determine the number of hours at a drain current of 150 mA, and compare the ratio of drain current to the resulting ratio of hours of availability.
The result of transmitting a single pulse through a channel is a received sequence of pulses at the sampling instants given by {0.1, 0.3, -0.2, 0.96, 0.4, -0.1, 0.1} where the leftmost sample is the earliest. The value 0.96 corresponds to the main..
The shunt capacitance of metal work ofeach insulator is 0.26C to earth and 0.15C to line. Find the stringefficiency if a guard ring increases the shunt capacitance to lineof the metal work of the lowest insulator to 0.35C.
Looking for help in developing RF heating for curved laminated wood in a newly patented machine.
A) Write the KCL expression for this circuit and set it equal to zero. B) Find the voltage of Vo. C) Use your value of Vo. The final step is to use the inverse phasor-transform operation to transform this value.
Suppose there is only a single user (i.e., K = 1). From your plot in part (1), do you think the dual transmit antennas provide any gain? Justify your answer. Hint: Use Jensen's inequality.
It has been proposed that by placing an appropriately selected resistor across the line at a distance dmax from the load, where dmax is the distance from the load of a voltage maximum. Show that the proposed approach is valid and find the value of th..
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