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A filter has the following design specifications: Cutoff frequency 1500 Hz Second-order Butterworth highpass filterSallen-Key circuit topology Determine the transfer function and realize it using the
Determine the transfer function of the second-order (2 poles) lowpass Butterworth filter with a 3-dB cutoff frequency of 5 kHz. Design it using the Sallen-Key lowpass filter configuration, find all th
One of the home satellite services uses a dish antenna having a diameter of 18" (0.457 m) and frequency of 12.45 GHz. If the illumination efficiency is 70%, determine the gain of the antenna in dB
Assume that an antenna has a power input of 50 W and a gain of 30 dB relative to an isotropic radiator. Determine the increase in dB of the received signal at a point where the signal strength is 5
The input impedance of a certain antenna is 30+ j40 ohms and the rms voltage across the terminal is 100 V. If the antenna were 100 percent efficient, determine the total radiated power in watts.
A coaxial cable contains material with a dielectric of 9. The diameter of the inner conductor is 2 mm and the diameter of the outer conductor is 12 mm. Determine the velocity of propagation in m/s.
A coaxial cable contains material with a dielectric constant of 9. The diameter of the inner conductor is 2 mm and the diameter of the outer conductor is 12 mm. Determine the characteristic impedanc
The power density 50km from a transmitting antenna is 0.5 uW/m^2. If the frequency is 2 GHz and the antenna gain is 30 dB, determine the transmitter power.
A well-behaved analog signal with a frequency of 20 kHz is being sampled. What is the sampling frequency of frequency aliasing occurs
An embedded system with a 8 bit analog to digital converter is connected to a transducer with an output voltage of 20 millivolts. This signal is then amplified by an amplifier with a gain of 50. Ass
one side of an oxygen meter is exposed to oxygen in equilibrium with a mixture of Ni and NiO at 1300K, and the other side is exposed to air at 101kPa. If the cell e.m.f is 0.596V, Calculate the stan
A helical spring is fabricated by wrapping wire ¾ in. in diameter around a forming cylinder 8 in. in diameter. Compute the number of turns required to permit an elongation of 4 in. without ex
Determine the maximum shearing stress and elongation in a helical steel spring composed of 20 turns of 20-mm-diameter wire on a mean radius of 90 mm when the spring is supporting a load of 1.5 kN.&n
The rigid bar ABC shown in Fig. P-212 is hinged at A and supported by a steel rod at B. Determine the largest load P that can be applied at C if the stress in the steel rod is limited to 30 ksi and
A steel tire, 10 mm thick, 80 mm wide, and 1500.0 mm inside diameter, is heated and shrunk onto a steel wheel 1500.5 mm in diameter. If the coefficient of static friction is 0.30, what torque is req
A steel wire 30 ft long, hanging vertically, supports a load of 500 lb. Neglecting the weight of the wire, determine the required diameter if the stress is not to exceed 20 ksi and the total elongat
The strength of longitudinal joint in Fig. 1-17 is 33 kips/ft, whereas for the girth is 16 kips/ft. Calculate the maximum diameter of the cylinder tank if the internal pressure is 150 psi.
A water tank, 22 ft in diameter, is made from steel plates that are ½ in. thick. Find the maximum height to which the tank may be filled if the circumferential stress is limited to 6000 psi.
The diameter of the pressure vessel is 450 mm and its length is 2.0 m. Determine the maximum internal pressure that can be applied if the longitudinal stress is limited to 140 MPa, and the circumfer
Calculate the minimum wall thickness for a cylindrical vessel that is to carry a gas at a pressure of 1400 psi. The diameter of the vessel is 2 ft, and the stress is limited to 12 ksi.
An instrumentation amplifier with 2 buffers has a feedback resistor of 52K. The 2 resistors from the buffer's output to the input of the last stage Op-Amp are 1 K resistors. Voltage level to the non
Consider a pressure relief system. If consists of two values in parallel and achieves an availability of 0.95 when the valves are tested on a staggered basis, each valve being tested every 4 months.
A system consists of three components in series, each with a reliability of 0.935. A second set of three components is purchased and a redundant system is built.
Assume for now that all components are powered up simultaneously and that event detection is instantaneous. This means that one does not need to consider sampling or processing time. Also, all three
Design a 3rd order Butterworth High-Pass filter with a Fc of 2kHz and a passband gain of 2. Find the gain and critical frequencies of each individual stage. Plot the gain portion of the bode plot.