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5/8 wave antennas vertical
The 5/8 wave antenna consists of a vertical radiator which is fed at the base of the antenna
post 02 Sep 2024
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Discone Antenna Calculator
An interesting application note about WLAN discones 2.4 to 5 GHz by Clemens Verstappen
eHamRadio Antenna Calculator
1/2 Wavelength Dipole length L(feet) = 468/f(MHz).Length L(meters) = 142.5/f(MHz)
Electronics Converters and Calculators
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An interesting application note about WLAN discones 2.4 to 5 GHz by Clemens Verstappen
1/2 Wavelength Dipole length L(feet) = 468/f(MHz).Length L(meters) = 142.5/f(MHz)
Below is a list of electronics based calculators, conversion charts
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