Antenna
topics 
related topics: Decibels, Electro magnetic waves,
RF transformers,
Transmission lines |
| 11 meter CB
antennas 11 meters yagi cubical quad antennas |
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AM Band Antennas
AM Band antenna, A good AM Band antenna can be a simple long-wire strung between
two trees or across the top of the roof |
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Antenna and Receiver Noise
noise power, Boltzmann's constant, background noise temperature, Sky Noise,
Antenna Noise Temperature, background noise, Atmospheric noise, pdf file |
| Antenna filter impedance
antenna filter impedance |
| Antenna calculations
impedance antenna matching, antenna impedances |
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Antenna characteristics antenna characteristics, doc file |
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Antenna
coil design pdf file |
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Antenna Design
Calculating of the antenna input circuit, Ferrite material, Practical antenna
design |
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Antenna formulas Antenna Basics, Antenna Polarization, Radiation Patterns,
Frequency-Phase |
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Antenna
gain and beamwidth antenna gain and beamwidth, Antenna Gain: The relative
increase in radiation at the maximum point expressed as a value in dB above a
standard, in this case the basic antenna, a ˝-wavelength dipole, ... |
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Antenna Gain Explained
Antenna Gain Explained,
the explanation of antenna gain, what is antenna gain |
| Antenna Gain, S-Meter, Radio/Signal report |
Antenna
Height and Communications Effectiveness The purpose of this paper is to
provide general information about communications
effectiveness as related to the physical height of antennas, pdf file |
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Antenna matching
Delta match, Quarter-wave transformer, LC network match, transformer match |
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Antenna Near Field Free Space Loss, FSL, Fresnel Zone, Receiver
Sensitivity, Antenna Gain, Transmit Power, Effective isotropic radiated power
(EIRP), System Operating Margin, Multipath Interference, Line of Sight, Fresnel
boundaries, Clearance, Refraction, Signal-to-noise ratio (SNR) |
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Antenna
radiation patterns understanding and using antenna radiation patterns, antenna radiations patterns, discone antenna, dual
polarized sinuous, guide fed slot, helix antenna, normal mode helix, axial mode,
horn antenna, linear dipole array, log periodic, loop antenna, circular antenna,
loop, alfred, loop, square, luneberg lens, microstrip patch, monopole |
| Antenna
radiation patterns the radiation pattern is a graphical depiction of the relative field strength transmitted from or received by the antenna |
| Antenna
radiation patterns pdf file |
| Antenna scatterers
analysis program general purpose thin-wire antenna analysis software program |
| Cellular
phone antennas and human health |
| dBi
Why I use dBi - Mostly |
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Electromagnetic Waves what are Electromagnetic Waves, Electromagnetic Waves
explained, the description of an oscillating electric dipole, Energy and
Momentum in EM Waves |
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Ferrite Rods, Bars, Plates
and Tubes Ferrite rods, bars, plates and tubes are primarily used in radio
antennas and chokes. They are available in materials from permeability of 20 to
10, 000 |
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Field Intensity Units What is the difference between dBu, dBm, dBuV, and
other units? |
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Free Space Field and Loss Calculations |
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Gain of Directional
Antennas
Polarization of antennas, Directive Gain from a Hypothetical Antenna, Antenna
Efficiency, Aperture, Type Antennas, Directive Gain and Beamwidth, Antenna Gain
and Polarization, pdf file |
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Impedance Matching of Open–Ended Waveguide Radiating Elements Impedance
matching of open–ended waveguide radiators in a planar phased–array environment |
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Isolation between antenna network and TV/radio equipment a ground loop in your AV system caused by antenna connection or TV cable is very common if you
have your computer connected to the same system. This type of ground loop problem can be solved by using suitable isolation between your AV system and the
antenna cable |
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Isotropic antenna
isotropic antenna: an ideal antenna that radiates power with unit gain uniformly
in all directions |
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Isotropic antenna
isotropic antenna calculations, dBi, or decibels relative to isotropic |
| Linear arrays
Definition of Antenna Pattern, Relative pattern, Two-Isotropic-element Array, Array of two isotropic sources, Three-dimensional pattern, Parallel dipole two-element array,
Geometrical positioning of pattern for two dipoles, Multi-element Uniform Linear Arrays, Broadside Linear Arrays, Beamwidth and Gain of Broadside Linear Arrays, doc file |
| POWER
DENSITY
pdf file |
| Power splitters
a 0° splitter is a passive device which accepts an input signal and delivers multiple output signals with specific phase and amplitude characteristics,
pdf file |
| Putting a
balun and a tuner together A two wire transmission line as a three
terminal Device, The W2DU and W7EL models of a choke balun, Baluns on the input
and output of unbalanced tuners, The effectiveness of a balun |
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Radar technology
the physical basics of radar technology, radar principle |
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Radar technology
provides an introduction to radar concepts and terminology |
| Radar:
the origins of radar |
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Radiation
patterns The radiation pattern is a graphical depiction of the relative
field strength transmitted from or received by the antenna |
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Radiation
patterns Antenna Radiation Patterns,
pdf file |
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Radiation resistance What is radiation rsistance |
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RF amplifier for ferrite bar antennas RF amplifier for ferrite bar antennas |
| Smith
chart spectral simulation, the Smith chart can help
us translate the reflection coefficient into impedance |
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Smith
chart What is a Smith chart |
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Smith chart Excel Graph |
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Smith Chart
Tutorial This Smith Chart Tutorial Consists of 5 Flash programs with
embedded audio. These programs will allow you to learn the Smith Chart through
interactive flash programs |
| Tower and
Antenna Wind Loading as a Function of Height
pdf file |
| Understanding
electromagnetic fields and antenna radiation pdf file |
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Understanding Standing Wave Ratios Understanding Standing Wave Ratios |
| Why an antenna
radiates the basic principles of radiation, Why an Antenna Radiates |
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Why an antenna
radiates How an Antenna radiates, Radiation from an antenna, Near and Far
Field Regions, Field regions around an antenna, Far field radiation from wires,
Spherical co-ordinate system for a Hertzian dipole, Radiation Pattern, what are
Antenna Performance Parameters, Radiation pattern of a generic directional
antenna, what is Directivity of an antenna, radiation intensity of the antenna,
input impedance of an antenna, Voltage Standing Wave Ratio (VSWR), Return Loss
(RL) parameter, antenna efficiency, Antenna gain parameter, Polarization of a
radiated wave, bandwidth of an antenna, Half Wave Dipole, Radiation pattern for
Half wave dipole, monopole antenna, Radiation pattern for the Monopole Antenna,
Loop Antennas, Radiation Pattern of Small and Large Loop Antenna, helical
antenna or helix, Radiation Pattern of Helix Antenna, Horn antennas, pdf file |
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Horizontaal |
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dBi: = Gain of antenna with respect to isotropic antenna given in dB = 10 log
(power max / power isotropic)
dBd = Gain of antenna with respect to a dipole antenna given in dB = 10 log
(power max/ power max of half-wave dipole antenna)
dBi = dBd + 2.15 dB |
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Last updated on:
2011-01-02
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