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Attenuators and Preamps
How to get the most from attenuators and preamps
post 14 Mar 2024
RF attenuator Links →
Accuracy of homebrew attenuators
To go below the lowest power of my FT-817, I use attenuators of 10 dB and 20 dB
Build An Offset Attenuator
An RF attenuator is a device that goes between antenna and receiver to reduce the signal strength down to within the range that the receiver S-meter can handle
Fox Hunt Offset Attenuator
An Offset Attenuator for fox hunts
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To go below the lowest power of my FT-817, I use attenuators of 10 dB and 20 dB
An RF attenuator is a device that goes between antenna and receiver to reduce the signal strength down to within the range that the receiver S-meter can handle
An Offset Attenuator for fox hunts
Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane
Build a Three-Way Antenna Switch and Displa To use a wireless relay to select one of two high current capacity power relays
Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening factor