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Introduction to Communication Systems

Unguided Transmission Media

August 10, 2018November 12, 2018 Gopal Krishna 10564 Views 0 Comments electro magnetic spectrum, EM spectrum, guided transmission, infrared, microwaves, radio frequency spectrum, Radio waves, RF spectrum, satellite, unguided transmission

Unguided transmission unguided transmission media do not use any physical connection between source and destination. They use air or free-space

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Introduction to Communication Systems

Signal Bandwidth vs Channel Bandwidth

August 9, 2018November 12, 2018 Gopal Krishna 29549 Views 0 Comments Bandwidth, bB, channel bandwidth, coaxial cable, data signal, decibel, fibre optics, music signal, radio channel, satellite, shannon channel capacity, signal bandwidth, signal to noise ratio, SNR, twisted pair, types of channel, video signal, voice signal

BANDWIDTH Bandwidth is the difference between upper and lower frequency limits of the signal It is defined as the range

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Antenna Communications

Types of Antennas | Communication Systems

August 3, 2018November 10, 2018 Gopal Krishna 2961 Views 0 Comments antenna types, aperture antennas, circular loop, circular polarization, dipole, elliptical, helical antennas, horn, lens antennas, linear, loop antennas, polarisation, radar, rectangular loop, reflector antenna, satellite, wavelength, wire antennas, yagi uda antenna

Types of Antennas Antennas are broadly classified based on the following parameters: Wavelength (or frequency of operation) Frequency range of

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