15-15. Determine the power gain and beamwidth for an end-fire helical antenna with the following = 0.05 m, and frequency of parameters: helix diameter = 0.1 m, number of turns = 10, pitch = operation = 500 MHz.
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A: (a) Given: The power output of the green laser pointer is 142 mW. The diameter of the circular spot…
Q: 26 MHz radio waves penetrate to a depth of 14 cm, how far do 2.8 GHz microwaves penetrate?
A: Given : frequency of radio , f1= 26 MHz Depth, d1 = 14 cm Frequency of micro waves, f2= 2.8 GHz =…
Q: Homework: The radiated power density of an antenna is given by by A, (sino)² W r² ār m² W rad…
A:
Q: For a electromagnetic wave of 3GHz frequency, what wavelength will be required for the same…
A: Frequency of the EM wave, f = 3 GHz = 3 x 109 Hz Speed of the EM wave, c = 3 x 108 m/s From the…
Q: A cube of ice water (11 cm a side at -15 oC), is placed in a microwave with a beam having E0 = 27.47…
A: The length of the side of the ice cube: a=11 cm=0.11 m Initial temperature of the ice cube: T0=-15°C…
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A:
Q: A green laser pointer has a power output of 104 mW. (a) If the laser beam is projected onto a…
A:
Q: 1- Calculate the maximum range of radar which operate at a frequency of 15 GHz, peak pulse power…
A: Given data : Peak power transmitted by the Radar, Pt=1 MW = 1000 K W Gain of transmitting Antenna…
Q: A 18.0-mW (milli-Watts) laser puts out a narrow cylindrical beam 2.40 mm in diameter. What is the…
A: The equation for intensity in terms of power is,
Q: If the largest dimension of the receiving antenna operating at a frequency of 9.5 GHz is 10 cm, then…
A:
Q: If a radio transmitter has a vertical antenna, should areceiver’s antenna (rod type) be vertical or…
A: Given: The position of the antenna of the radio transmitter.
Q: 15-11. Determine the efficiency for an antenna with radiation resistance R, = 18.8 2, effective re-…
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Q: Calculate the power density (Pa) produced at a point (P) of 10Km distant from 80m long-wire antenna…
A: A power density of an antenna is expressed as the input power provided to the antenna divided by the…
Q: Problem 5: The wavelength range of visible light is usually taken to be from 400 to 700 nm,…
A: The wavelength range of visible light is usually taken to be from 400 to 700 nmThis range is usually…
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A:
Q: Very short pulses of high-intensity laserbeams are used to repair detached portions of the retina of…
A: P = 250 mW = 250 x 10-3 W d = 510 mm = 510 x 10-3 m r = d/2 = 255 x 10-3 m Emax = ? Bmax = ?
Q: A circular radar antenna on a Coast Guard ship has a diameter of 2.10 m and radiates at a frequency…
A:
Q: Problem 6: An antenna radiates equally in all directions over a half space above a perfectly…
A: Total radiative power means the amount of power which is radiated when connection is made. A power…
Q: Find the frequency range of visible light, given that it encompasses avelengths from 380 to 760 nm.
A:
Q: 3. Designing an antenna for Bluetooth in about 2.4GHz, which type is the best among A, B, or C if…
A: S11 parameters are used to describe the power factor reflected from the antenna, if it is zero, it…
Q: The helium-neon lasers most commonly used in student physics laboratories have average power outputs…
A: Average power = 0.25 mW = 0.00025 W Diameter = 1.3 mm = 0.0013 m Radius = 0.00065 m
Q: A pulse radar is used to detect a target with an area of 10 m2 located at a distance of 120 km. If…
A: A pulse radar tells us about the distance to the target by calculating pulses timing and using…
Q: Assuming a PON system has performance parameters as follows: transmit power at OLT is
A: Given Data Given Input power is: IP=1 mW=10-3wattIP=1dBm Splitter ratio is:N=32 Length of optical…
Q: 11- The normalized radiation intensity of a given antenna is given by U = sin 0 sin² Ø The intensity…
A: To calculate the exact directivity and half-power beam widths of the given antenna, we need to find…
Q: Given: - cellular phone with 0.6W transmit power - unity gain antenna, 900 MHz carrier frequency -…
A: To calculate the maximum distance, we need to consider the power received at the receiver and…
Q: 1) Draw the current distribution and typical radiation patterns of λ and 3/2 antennas. Explain the…
A: The λ and 3λ/2 antennas are specific types of antennas with different lengths. The radiation…
Q: A circular radar antenna on a Coast Guard ship has a diameter of 2.10 m and radiates at a frequency…
A: Diameter of ship (d) = 2.1 m Frequency (f) = 18 GHz Distance from the ship to boats (r) = 5 km We…
Q: In a simple lossless medium with u, = 3, &, = 27, the phasor electric and magnetic induction density…
A: Answer is option A Because amplitude of magnetic Field Because amplitude is =2/3 frequency=900 MHz
Q: An RF power of 100 W is radiated by a half-wavelength antenna in free space. Calculate the maximum…
A:
Q: (a) What is the wavelength of 133-MHz radio waves used in an MRI unit? 2.25 (b) If the frequencies…
A: Given, frequency, f = 133 MHz
Q: Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of…
A:
Q: A television is tuned to a station broadcasting at a frequency of2.04 * 108Hz. For best reception,…
A: Given data The frequency of the antenna is given as f = 2.04 x 108 The mathematical expression…
Q: For a S-band horn antenna what RF measurements can be measured on a Scalar Network Analyzer?
A: Scalar Network Analyzer is one type of RF Network Analyzer. Compared to a vector network analyser,…
Q: Compute for the following wavelength of the following frequency: 5. 50Hz
A: The frequency of the sound wave is f = 50 Hz The wavelength of a wave is given by λ = vf, where v =…
Q: 5. A communication satellite is in stationary (synchronous) orbit about the earth (assume an…
A: It is given that, Transmitted power, P=8.0 W Altitude, d=22,300 miles or d=22,300 miles=22300…
Q: A laser used in LASIK eye surgery produces 55 pulses per second. The wavelength is 220.0 nm (in…
A: Write the expression for the length of the pulse and substitute the corresponding values.…
Q: Waveguide dispersion is measured in a silica fiber at various wavelengths using laser diode sources…
A: The waveguide dispersion is measured in a silica fiber at various wavelengths using laser diode…
Q: A uniform plane wave in free space is given by: Exs=800cos(10^8t - βz)az V/m Find: Phase…
A:
Q: A plane, regular, and frequency wave if 9.4GHzthe amplitude of the magnetic field strength is 7m A/m…
A: Given, f = 9.4 HHz H= 7 mA/m
Q: (11%) Problem 5: Consider the 100-MHz radio waves used in an MRI device. E A 33% Part (a) What is…
A: We know that for an electromagnetic wave, c=λfWhere, c= speed of light in free spaceλ= wavelenghtf=…
Q: A radio receiver is tuned to 555 KHz with its oscillator frequency being 1010 KHz. Determine (i)…
A: We have given that a radio receiver is tuned to 555 KHz. Its oscillation frequency is 1010 KHz. We…
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