how to increase dipole antenna gain?
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In order to increase the gain of an antenna, you need to concentrate its effectiveness in the required direction. Two common methods are to concentrate horizontal beamwidth by adding reflectors and directors, thus creating a Yagi beam.
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Each specific antenna has a gain rating or dBi (decibel isotropic) number which coincides with the performance. The higher the dBi rating the larger the area the signal covers. Keeping that in mind and thinking about what your specific needs are you can begin to narrow down what antenna is best for you.
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Directivity. “directivity” of an antenna: the ratio of the maximum radiated intensity to the average radiated intensity. Directivity gives a measure of how strongly directional is the radiation pattern. For a Hertzian dipole, the total radiated power is: 2.
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['Infinite open-loop gain G = vout / v. ... ', 'Infinite input impedance Rin, and so zero input current.', 'Zero input offset voltage.', 'Infinite output voltage range.', 'Infinite bandwidth with zero phase shift and infinite slew rate.', 'Zero output impedance R.']
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Not really. Indoor TV Antennas are very small in size and strength, and therefore the indoor Antenna does not give a good signal to the TV. Digital TV's, which is what we have in Australia now, require a good strong clean signal to get the information it needs to display a crisp clear image.
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['Basic half wave dipole antenna.', 'Components required to make an FM dipole antenna.', 'FM dipole made from twin flex.', 'A tie wrap can be used to secure the centre point of the FM dipole antenna.', 'The wire end of the FM dipole is knotted.']
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['The best antenna: Mohu Releaf.', 'The best flat antenna: ClearStream Eclipse.', 'The best amplified antenna: Mohu Curve Amplified.', 'The best tiny antenna: Leaf Metro.', 'The best indoor/outdoor antenna: ClearStream 2Max HDTV Antenna.', 'The best outdoor antenna: Winegard Elite 7550.']
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A reference dipole antenna is defined to have 2.15 dBi of gain. So converting between dBi and dBd is as simple as adding or subtracting 2.15 according to these formulas: dBi = dBd + 2.15. dBd = dBi - 2.15.
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The parasitic elements of the Yagi antenna operate by re-radiating their signals in a slightly different phase to that of the driven element. In this way the signal is reinforced in some directions and cancelled out in others. ... The Yagi antenna is able to provide very useful levels of gain and front to back ratios.
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A height of 120 feet or even higher will provide even more advantages for long-distance communications. To a distant receiving station, a transmitting antenna at 120 feet will provide the effect of approximately 8 to 10 times more transmitting power than the same antenna at 35 feet.
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468 / freq in Mhz = total length in feet for a half wave dipole. You want to center your dipole on, as an example, of 14.300Mhz. So, using the formula 468/14.3...we get 32.72 feet...or about 32 feet 8 inches for the total antenna length in feet.
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It's simple: Boost your 4G and 4G LTE signal! A cell phone signal booster for rural areas takes existing weak signal, amplifies it up to 32X, and rebroadcasts the enhanced signal inside your remote cabin, cottage, or off-the-grid home: Better 4G, LTE, and 3G coverage, reliable reception, and faster internet service.
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['Find the channel you want to tune in using the table below.', 'Go to your TV Guide using your remote.', 'Using the menu on the left, select “Settings”', 'In the settings menu, choose “Manual Tuning”', 'Insert your PIN if prompted.', 'Select “Add a channel”']
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The Sky Booster is effectively an amplifier. In the most basic sense, it has a better antenna that can provide a Wi-Fi signal in areas that a regular router can not. ... Contrary to popular belief, however, the Sky Booster does not improve the broadband speed in your home. It simply makes the Wi-Fi signal more accessible.
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Performance. In signal reception tests, the RCA antenna did well enough. With a full strength signal, it got reception numbers as good as many other antennas costing the same or more. ... Several other amplified antennas deliver similar performance, such as the Antop SBS-301, which pulled in 31 watchable stations.
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The digital TV signal is a 'line of sight' signal. Typically, the higher you have your antenna, the better the reception. While signals pass through walls and other surfaces, the more obstructions the signal encounters, the weaker the signal and this causes signal disruption.
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With the increase of diode size, the IIP3 of LNA can be improved. However, it will appreciably degrade the gain, NF and current consumption of LNA. Thus, the diode with a parallel R1-C1 circuit can improve the linearity performance, minimizing the degradation of gain, NF and current consumption.