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Electronic Components and Systems


RF coax connectors are designed to transmit analog signals while minimizing radio frequency RF signal losses
post 01 Feb 2024
Electronic Components and Systems

Antenna Feed Lines Links

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10 80m doublet antenna
is at about 57 feet 17.4m and the feeder is about 60ft 18.3m long almost vertical but comes into the house about 3 ft above ground level

How do I properly feed coax through an outside wall?
a new cable outlet to an outside wall and wanted to find out what kind of drill bit is needed to drill through and feed the coax cable

Low loss Japanese coaxial cable
about having as good an antenna system as you can manage to get the best out of six metres

Of end-feds and feed-lines
The end-fed half-wave antenna can function alone, but feed lines are the norm regardless

Openwire ladder line
Normally there is no need to retune the matchbox when using Ladder-Line


Take off angle of horizontal antenna

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

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

Calculo da Antena Bazooka

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 facto