1. L

    UWB circular antenna: input impedance (Zo= 50 Ω)

    I'm having difficulty with the line input impedance of the circular planar antenna signal. Its impedance is 117 ohms and the correct is 50 ohms, I am not able to lower the value. I made modifications to the input increasing the line width and also made an impedance transformer. When I get it...
  2. S

    Newbie Cable Question here

    Ok, I'm a total newbie when it comes to "other than stock telescopic antenna" scanning. Other than that I've been scanning for over 20 years. I've just now gained an interest in installing a Discone in my attic, however I have questions regarding the ohm ratings of cable. I've come to the...