Chapter 4 PARABOLIC DISH ANTENNAS - QSL.net
Dish Antenna Design A dish antenna works the same way as a reflecting optical telescope. Electromagnetic ... this is commonly called space attenuation or space taper. In order to compensate, we must provide more power at the edge of the dish ... useful and work very well in some applications). In order to have very efficient dish
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Chapter 4 PARABOLIC DISH ANTENNAS - QSL.net
www.qsl.netAperture, Gain, and Efficiency The aperture, gain, and efficiency of an antenna were all defined in Chapter 1 for antennas in general. The aperture A of a dish antenna is the area of the reflector as seen by a
What’s the best antenna? - QSL.net
www.qsl.netWhat’s the best antenna? ... A large beam antenna implies a large tower, rotator, guy cables, concrete, and so forth, and a backyard to put it all in.
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Frequency Multipliers - QSL.net
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www.qsl.netSkin Depth of Planar Conductors At high frequencies, the current flowing in a conductor tends to get confined near the outer surface of the conductor.
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www.qsl.netHighly Stable Active Bias for High Frequency Amplifiers The most common form of biasing in RF circuits is the current mirror. This basic stage is used
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Impedance Matching - QSL.net
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