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Quadrifilar helicoidal antenna
A few variations of the antenna exist. Normally the circumference length of the loop is 1 wavelength, but 1.5 wavelength and 2 wavelength versions exist
post 18 Sep 2024
Antenna Calculator Links →
Types of Coax Cable and Line Loss Calculator
Here's a quick line loss calculator to use
Toroidi Amidon: quanto filo per l'avvolgimento
Il programma calcola l'induttanza di un avvolgimento monostrato in aria - The program calculates the inductance of a single-layer winding in air
VHF/UHF Antenna Calculations
These programs should work on any Javascript-capable browser
Link Planning for Wireless LAN
Hese calculations are theoretical and represent only the maximum achievable performance for a system
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Here's a quick line loss calculator to use
Il programma calcola l'induttanza di un avvolgimento monostrato in aria - The program calculates the inductance of a single-layer winding in air
These programs should work on any Javascript-capable browser
Hese calculations are theoretical and represent only the maximum achievable performance for a system
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 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 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