parabolic dish antenna has efficiency 85% and aperture area 3m². At a frequency of 12.85 GHz, what is its gain?

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Q: Calculate the beamwidth between first null of a 5 m paraboloid reflector used at 10 GHz. What will…

A: Given data: Frequency f=10 GHz The diameter of the paraboloid reflector D=5 m From the frequency,…

Q: Compare the quarter-wavelength monopole and half-wavelength dipole in terms of their radiation…

A: We need to compare the given antenna .

Q: A standard air-filled WR-75 rectangular waveguide, o = 5.8e + 7 (S/m), is chosen for microwave…

A: It is given that, the waveguide is rectangular wave guide : where, σ=5.8e+7 S/ma=19.05…

Q: CLO 3 To design a single-turn lossless large resonant loop antenna to operate at 150 MHz without a…

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Q: A parabolic reflector with an FID ratio of 0.4 is fed by a small horn placed at the focal point that…

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Q: A standard air-filled rectangular waveguide has dimensions such that a = 2b. If the cut-off…

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Q: An earth station antenna has a circular aperture with a diameter of 6.5 m and an aperture efficiency…

A: We know direct formula for gain and beamwidth .

Q: A radiative Hertzian dipole antenna

A: Antenna- A device used for capturing or transmitting radio electromagnetic wave is termed as…

Q: 1.) What is the reflection coefficient at the spectral point of reflection in the near- earth…

A: Dear Student, Since you have posted multiple questions, we will provide the solution only to the…

Q: If the gain of a helical antenna is 30dbi and it operates at 5GHz with an average diameter of 3m,…

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Q: Problem 3: a. What is the lowest frequency cut off frequency for a Ka Waveguide band with WR28…

A: The cut-off frequency for a rectangular waveguide is given by the formula:f=c2×(ma)^2+(nb)^2where:c…

Q: What will be the value of the radiation resistance of a monopole antenna of length equal to quarter…

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Q: A 2 cm by 3 cm rectangular waveguide is filled with a diekectric material with , 6. The %3D…

A: Wave is function of space and time. The mode at which waveguide have lowest frequency is said to be…

Q: 3. A rectangular search radar antenna is 2.5m wide by 1.4m high. It has an azimuth length efficiency…

A: Solution- Fig 1 is an example of Rectangular Antenna with,  Azimuthal length = LAZ = W=2.5 m…

Q: Determine the maximum spacing allowed for an equally-spaced linear array such that, for a beam scan…

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Q: Q2/ In an air-filled rectangular waveguide, the cutoff frequency of a TE10 mode is 5 GHz, whereas…

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Q: Q2. A circular copper waveguide has a radius of 0.6 cm and is filled with a Teflon having & 2.25 and…

A: A circular copper waveguide has a radius of 0.6 cm and is filled with a Teflon having εr=2.25 and…

Q: A brass waveguide (o. = 1.1 x 10' mhos/m) of dimensions a = 4.2 cm, b = 1.5 cm is filled with Teflon…

A: Wave is function of space and time. The mode at which waveguide have lowest frequency is said to be…

Q: How large is the dish diameter (in wavelength and in meters) that is needed for a 80 dB gain at 300…

A: The Gain for a parabolic dish antenna is given by the below Formula: G=10log10KπDλ2Where,G=Gain in…

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Q: What is a Ripple counter? Draw the circuit of a 2 bit ripple counter.

A: - Ripple counter is also known as asynchronous counter.  In this counter flip flop corresponding to…

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Q: Discuss a good application of planar array antennas and why it's used.

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Q: (c) A TV broadcast antenna transmits power of 3 kW at frequency of 200 MHz. The transmitter antenna…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: What will be the power gain of a parabolic antenna with 10 m diameter dish and a feed of 10 GHz?

A: The expression of power gain G­p for a parabolic antenna having a dish diameter of D is given as

Q: an experiment with the Microwave Bench Setup working in ominant TE mode, the reading between two…

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Q: please do it correctly.. A system starts with omnidirectional transmit antennas. This produces a…

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Q: rectagular waveguide having an inner dimension of (4.0 × 2.0) cm is used for porpagating a microwave…

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Q: Problem 3: a. What is the lowest frequency cut off frequency for a Ka Waveguide band with WR28…

A: The cut-off frequency for a rectangular waveguide is given by the formula:f=c2×(ma)²+(nb)²where:c is…

Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.