• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.


  1. F

    5/8 Wavelength Antenna Top Loading

    When I was younger, I had a CB radio with a 5/8 wave base station antenna. The antenna had a capacitance hat on the top and a tapped coil on the bottom. I Know what the tapped coil is for, impedance matching. I'm not so sure about the capacitance hat. I've been reading up on top loading with...
  2. F

    3/4 Wavelength Antenna

    I don't want to build one but I was just wondering: Is a 3/4 wavelength antenna self resonant?

Latest threads

EE World Online Articles