14GHZ 100W MESH VTX DIY
A 20 km mesh video datalink designed end to end: link budget, 33 dBm PA, RF chain, PCB layout, tuning and mass production. Aomway walks the full build.
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Thermal Noise Floor: Where -174 dBm/Hz Really Comes From
Every RF link budget starts at -174 dBm/Hz. The Boltzmann derivation behind that number, why 290 K is the reference, and how to scale it by bandwidth.
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