Yagi Antenna Design Procedure
The design of a yagi uda antenna is actually quite simple.
Yagi antenna design procedure. The directional pattern of the yagi uda antenna is highly directive as shown in the figure given below. Harishr newbie level 4. My personal commitment. Detailed illustrations are extensively used throughout the whole process of antenna construction to simplify the otherwise difficult to comprehend technical.
Introduction since it is very difficult to get a commercial vhf uhf portable antenna in my town like the famous arrow i decided to build a homebrew antenna as i did it in the past with most of my old hf and vhf antennas. The yagi antenna s overall basic design consists of a resonant fed dipole the fed dipole is the driven element and in the picture above and the second from the left side with one or more. 2 practical antenna design. Conventional yagi uda antenna with 4 directors.
Joined feb 20 2017 messages 5 helped 0 reputation 0 reaction score 0 trophy points 1 activity points 44. Design procedure based on. Look up a table of design parameters for yagi uda antennas. Yagi uda antenna design procedure boom reflector directors driven element s ij i j n d d 1 2 3 l i figure 1 yagi uda antenna layout notes.
Department of commerce national bureau of standards december 1976. Viezbicke yagi antenna design nbs technical note 688 u s. Antenna design 140 150 mhz vhf transceivers online edition. If the specifications given above are followed one can design an yagi uda antenna.
Before discussing various yagi uda antennas initially we need to know the optimized. Design procedures for yagi antenna one thing to keep in mind is that some of these simulators assume a dielectric and nonconducting boom. Feb 20 2017 1 h. Build the yagi or model it numerically and tweak it till the performance is acceptable.
Yagi antenna design procedure in hfss. Start date feb 20 2017. The minor lobes are suppressed and the directivity of the major lobe is increased by the addition of directors to the antenna. A well designed yagi antenna as per the design given below can cover a line of site distance of even 5 kms with just 1 watt rf power.
Formulas for conve rting antenna designs. Because yagi antennas have been extensively analyzed and experimentally tested the process basically follows this outline. Vhf uhf portable yagi uda antenna design and construction notes by xe1mex.