Golden Engineering
Golden Engineering
What do our customers think about AN-SOF?
"Intuitive and friendly software. I found that the simulations are very close to reality. AN-SOF is an excellent tool for modeling antennas."
"AN-SOF is an easy to use, great value piece of software for designing antennas, especially useful for ham radio amateurs and hobbyists."
"I use AN-SOF extensively when writing my AerialsNow! column. I find its excellent graphics abilities essential for presenting data in a format that is easily understood by readers."
Design, enter data, and display a collection of graphs and charts with ease.
Check out for the latest news on AN-SOF updates and antenna models.
From this link > you can download 5 examples of antenna models that have less than 50 segments, so the calculations can be run with the trial version of AN-SOF:
It is an array of two tightly coupled loops with a bi-directional pattern. Both loops are linked to share a single feed point. This antenna can operate in the 14 to 28 MHz bands with the appropriate impedance matching. It is self-resonant when the perimeter of each loop is around one wavelength. In this example, each loop is 3 x 4.5 m and the resonant frequency is 19.8 MHz.
A balun can be modeled in AN-SOF using an equivalent generator, as the figure below shows. Since voltage sources admit an internal impedance, we can adjust its resistive part to match the antenna input resistance. Of course, we must previously cancel out the antenna reactance using an opposite lumped reactance.
