Antenna Matching with T-Networks Explained

In this video, we delve into antenna matching using T-networks. Learn all about the principles behind antenna matching T-networks and benefits they bring to your antenna system. Whether you are a beginner or an experienced enthusiast, this video will equip you with the knowledge needed to optimize your antenna system for better performance. Tune in now and master the art of antenna matching T-networks!
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[@DonzLockz]

Good cut down version Ape. I used to do schematics in MS Visio, loved it. Keep schoolin' us Mr Ape.👍

[@TheSmokinApe]

Thanks for watching Don 👍

[@slappomatthew]

Wow that is really simple

[@TheSmokinApe]

Yeah, pretty cool right?

[@ozone385]

Excellent video Ape.

[@TheSmokinApe]

Thanks Marvin, glad you liked it 👍

[@bassangler73]

Good video Ape!! 👍

[@TheSmokinApe]

Thanks BA 👍

[@AndyAAzeroAM]

Knobby equipment is fun. Not opposed to auto stuff at all, but Knob tuning is my Jam

[@TheSmokinApe]

Knobs are cool 👍

[@karlbesser1696]

You could do this by drawing a Smith diagram showing all possible antenna impedances that can be matched to 50 ohms.

[@TheSmokinApe]

I like that idea 👍

[@g0fvt]

A minor, and not often mentioned merit of the T-network is indeed the high-pass characteristic. If you live near a MW broadcast site it can reduce the level to your receiver operating at a higher frequency further up in a ham band. A small nuance to the design of a practical T-match is (for example) to configure a roller coil so that the roller tap is connected to one end of the coil. Although this means that you have a section of short circuited coils (lowering the Q) it prevents the roller-coil from behaving as an auto-transformer. There are other similar fixes for this situation, without it the RF voltage on the free end of the coil can be extremely high and create arcing. The same applies to the tapped inductor. Most schematics for practical T-matches using roller coils do illustrate them in the way I describe. 73

[@TheSmokinApe]

Thanks for the additional detail G0FVT, hope you have been well 👍

[@blackquiver]

5 min or less. Over a minute longer than I need .. but not bad. 👍

[@TheSmokinApe]

Thanks for watching BQ 👍

[@haxwithaxe]

Is the whole version available somewhere?

[@TheSmokinApe]

Here you go: kzbin.info3-ATKlu_YiY?feature=share

[@haxwithaxe]

@@TheSmokinApe lol I watched it already and didn't recognize it.

[@TheSmokinApe]

Haha

[@dandypoint]

I think MFJ makes or made a L network tuner. You can mistune a T network but there is only one way to tune a L network. Plus they are easy to build with only two components. I have used them for over 50 years with end fed wires. Maybe you could do a video on them.

[@TheSmokinApe]

I will see what I can do, thanks for watching DP.

[@petevannuys5642]

CB is not working on this one?

[@TheSmokinApe]

You can use a tuner with CB

[@karlmadsen3179]

Why don't any of the dials go to 11? From Spinal Tap, I learned that was better.

[@TheSmokinApe]

I heard that will be in the new firmware 👍

[@NickFrom1228]

Just saw that MFJ is closing up so the 80 year old owner can retire. Bummer.

[@TheSmokinApe]

Yeah, it’s a shame for sure