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What is the main significance of IEEE/ANSI symbols when compared with the conventional ones? Draw the ANSI symbols for four-input OR, two-input AND, two-input EX-OR and two-input NAND gates.
Assume the z0 is in the far field and derive an expression for the strength to return as a function of angle. Make approximations where appropriate and do not forget the sidelobes.
Find the most economical area of X-section of the conductor. Given that the density of copper is 8.93gm/cm3 and its specific resistance is 1.73 x 10-8 Ω m.
design and test three matching networks
The surface concentration is fixed at N0=1.8e20/cm^2 when diffusing boron into a uniformly doped n-type substrate. The atomic diffusion constant for boron in Si at the temperature of 950 C is 3.0e-15 cm^2/s.
A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120Vrms. The load draws a total of 10kW at a power factor of 0.9.
Design a square wave oscillator using the op-amp that provides the output signal with amplitude of 4V to 6.5V and a frequency of 1kHz.
Calculate Vout (f0), Vout (3f0), Vout(5f0), and Vout(7f0) of the frequency spectrum of a triangle wave (A = 10 V and T = 1 ms) passed through a low-pass R-C filter (R = 10 k-ohm and C =5 nF).
A cellular radio transmitter has a power output of 3W at 800 MHz. It uses an antenna with a gain of 3 dBi. The receiver is 5 km away, with an antenna gain of 12 dBi. Suppose that the transmission line losses are 1 dB at the transmitter
What is the electric filed (magnitude and direction) at point P, which is on the x-axis at x = 40.0 cm?
After the numbers have been placed in A and B, and X is set to 0 or 1, a start signal (st) arrives thats sets the circuit in operation. After four shift pulses, the operation is completed and the circuit automatically shuts itself off.
A base-station cellular communicationsystem utilizes arrays of f/2 dipoles as transmitting and receiving antennas. Assuming that each element is lossless and that the input power to each of the f/2 dipoles is 1 watt, determine at 1,900 MHz
Assume that the op-amps are ideal and that the magnitude of their output voltages is less than their maximum peak output voltage swing (VOM).
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