Hidetsugu Yagi and “his” antenna. Source: Physics World.com Having ... or sometimes a folded dipole to increase the impedance. The parasitic elements shape and direct the beam using ...

The long-wire dipole antenna is effective for low-frequency systems. Adding LC traps makes a single-band dipole antenna into ...

Slight changes in length or the angle between two elements result in a vastly different resonant frequency or a significant change in the antenna’s impedance ... pair of WiFi Yagi antennas.

The actual impedance of the antenna at its center ... of the dipole or ground plane antennas. For example, a Yagi-Uda antenna adds parasitic elements like a director and/or reflector to a dipole ...

For example, you can change some characteristics of the widely used Yagi-Uden antenna by varying the number ... a feedline arrangement that minimizes impedance disruptions and VSWR.