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End fed long wire


I will try to share my experience with the end fed long wire antenna
post 28 Apr 2024
End fed long wire

Toroid & balun Links

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Baluner coaxialkabler benyttes ofte baluner
Balancing is often used to optimally match balanced antennas to unbalanced coaxial cables. These can be made of coaxial cables or toroidal transformers

Balun HF 1,5KW
Vengono illustrati negli schizzi sottostanti, i dettagli costruttivi per la realizzazione di un balun H.F. trifilare in aria in grado di sopportare oltre 1,5KW

Balun 4:1 ferrite, swl-i2-5759
Si tratta di un avvolgimento su barrette di ferrite collegato in parallelo ad un condensatore variabile

Balun 1:1 por HK4 TTF
An asymmetric Coaxial system with a symmetrical system Dipolo Balun 1: 1


23cm Yagi Antenna building

23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency

50 MHz preamp Gain 26dB with the BFG135

50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection

interface-for-digital-broadcasts-with-integrated-audio

Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free