Introduction to Antenna Design #1 // Terminology 

For newcomers you are too fast, for old-timers you tell nothing new. So what 's the point of this showing-off???

Lol, I caught that, and was about to open my math book! I had to make sure at least that much is right in my head! Subscribed!

I was wondering if you were talking about admittance for a second...

No problem Taiden. What you're doing is fine and is really common. You're connecting the balanced line of your antenna to an unbalanced feed line as well as converting the mismatched impedances at a ratio of 4:1. When people need to get a much out of their systems as possible while requiring long lengths of cable may use a balanced transmission line like a ladder line. Many pre-made antennas already have small length of unbalances coax already attached. This is where you would use a balun to adapt the ladder line to the coax. The simplest form of a balun is just an adapter with a 1:1 transformer. If the antenna was already a good match at the end of the ladder line, then it would just be a 1:1 balun. As a result of being balanced, the ladder line will have much lower losses at long lengths compared to coax. For example, RG-58 coax loses 6.6 dB per 100 m at 1 GHz, while 300 ohm twin-lead loses only 0.55 dB. There are some disadvantages though. Ladder line is much more sensitive to the environment it is placed in and coax is still preferred unless you absolutely need maximum performance out of your system.

Thank you!

This thing is awesome and worth it if a company is designing antennas of any kind that may also need to be serviced in the field. It has a cable and antenna analyzer, a network analyzer, a spectrum analyzer, vector voltmeter and a ton of other modes. You might be able to convince them to just buy certain features a la carte and a smaller frequency span in order to get a much cheaper unit.

We compared four different manufacturer's cable and antenna analysers. The Agilent (now Keysight) FieldFox came out on top. Not at all cheap though. You're going to have to prove it will increase your productivity considerably!

He be feelin kinkeh.

Dust, oil, etc. can get on your devices.

@@GasparinPR Would it be bad for RF devices though? For optics or vacuum chamber equipment, sure, but I don't see the need for radio equipment.

Thanks, but I disagree. I like this style and a lot of my subscribers do as well. I have been told multiple times that my quick and to the point video are much preferred to the longer ones and my youtube statistics prove that.

Thanks for the quick video without all the BS. I can't stand technical RU-vid videos that assume you have the brain of a gnat.

You're not alone. I came here for antenna fundamentals, and an "introduction" and left feeling stupid.