BNC Binding Post Adapters a Word of Caution

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BNC Binding Post Adapters a Word of Caution
In this video, we take a look at BNC Binding Post or Banana Plug adapters and something you should be aware of when using them.
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Опубликовано:

28 дек 2021

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Комментарии : 155

@markw.schumann297 2 года назад

Spoiler: if you switch the black and red caps, then the black and red caps will be switched.

@lmaoroflcopter 10 месяцев назад

Addendum: you can use a multimeter to check continuity.

@wildweasel6898 4 месяца назад

Yeah I would do that. If you were wondering if someone really needed that reminder the answer is yes. It's like your staring into my soul. 😂

@K5YVY 2 года назад

That’s some good talk Ape. It’s always a good idea to test your stuff first instead of relying on the factory to get it right every time👍

@TheSmokinApe 2 года назад

Trust no one ☝️

@bobblum5973 2 года назад

Good tip for those who haven't learned about these yet, and a warning for how to use them correctly! The ones I have of these are roughly 40 years old, I think all are Pomona brand. The knurled "knobs" do not come off; there's a little swaging done to prevent that. I also have one or two that are BNC jack to dual banana plugs; they also have the small "GND" bump to indicate which banana plug is tied to the BNC shell.

@TheSmokinApe 2 года назад

I've seen a few of the male plugs, they were being used on lab equipment. Thanks for checking out the video!

@bobblum5973 2 года назад

@@TheSmokinApe You're welcome, thanks for _making_ the video!

@daveN2MXX 2 года назад

I guess some people needed to hear this

@TheSmokinApe 2 года назад

Yes, thanks for watching David.

@Siskiyous6 2 года назад

Thank you Mr Ape - I use them for Marine VHF, 2M, 440, and GMRS frequency Verticle dipoles. With stiff solid wire even small half square and Bruce array configurations are simple to construct.

@TheSmokinApe 2 года назад

Yeah, so many ways to use these things. Thanks for watching LC 👍

@jackK5FIT 2 года назад

I use them in almost all my portable HF antennas. I find the best results for me are in an L configuration with the red side wire up a fiberglass pole (40M or 20M versions) with the coax feed point down the pole but off the ground and the black side wire horizontal with the ground at the same height as the feed point. Done voice and FT8 on the 20M version at 20 watts with my G90 and works great. Jack K5FIT

@TheSmokinApe 2 года назад

Nice idea and thumbs up on the g90, thanks for watching Jack!

@nathan-co6ho 9 месяцев назад

I pretty much have the exact same thoughts. 1000+ QSLs on Inverted L wire antenna using the cobra head…easy FEA!

@VE3FAL1Fred 2 года назад

One thing I have learned for sure is you get what you pay for when it comes to connectors. I have quite a few of these binding posts, and so far zero issues. I have however had failures in the field with SO-239/PL-259 adapters in the field.Great video and hope we can chat on the air soon again from outdoors in the field...cheers and Happy New Year Fred VE3FAL

@TheSmokinApe 2 года назад

I agree Fred, don't scrimp on cables and connectors.

@wild-radio7373 2 года назад

This is hecka #proTip !♡♡♡ The kind of useful stuff us new hams need to know!👍📻🔥thank you professor Ape!😎

@TheSmokinApe 2 года назад

Thanks for watching Aname 👍

@enriquekb9lht 2 года назад

Thanks for the tip 👍 I bought a few of those at the hamfest not knowing that the binding post were switched til I tested them kudos 👏 for you Bro!

@TheSmokinApe 2 года назад

Glad you liked it, thanks for watching 👍

@paulgarcia1566 2 года назад

Thanks Ape for breaking these down. Some good tips in here. I've used these to ham some homebrew antennas and I want to try a long wire ant. next.

@TheSmokinApe 2 года назад

Thanks for watching Paul 👍

@derekthwaytes4689 2 года назад

You brought up a good point I may not have checked for polarity thanks

@TheSmokinApe 2 года назад

Thanks for watching Derrek 👍

@danmarkiewicz524 2 года назад

Thank you for a nicely done and thorough explaination!

@TheSmokinApe 2 года назад

Thanks for watching Dan 👍

@K9KMVTheUnluckyHam 2 года назад

Good advice there Mr Ape. Thanks for the video.

@TheSmokinApe 2 года назад

Thanks Unlucky 👍

@KK6USYHamRadioAdventures 2 года назад

Good heads up for people, I once received some that were backwards. Thanks Ape!

@TheSmokinApe 2 года назад

Can never be too careful, thanks for watching Chuck 👍

@n6oft 2 года назад

Never thought of testing for correct polarity on these. Will do from now on. Tnx & 73

@TheSmokinApe 2 года назад

Thanks for checking out the video Mike!

@rexyhassell1400 5 месяцев назад

This is very helpful!

@TheSmokinApe 5 месяцев назад

Glad you liked it Rexy 👍

@kulanchandrasekaran4462 5 месяцев назад

So basic, but so ESSENTIAL. Thank you. Human or machine made, there are chances for error, and ham radios costing a fortune these days, best to test than be sorry, and not even know what went wrong, even after spoiling the equipment ! Nice, short and to the point.

@TheSmokinApe 5 месяцев назад

Glad you liked it, thanks for watching!

@BLACKHEAT1028 Год назад

Learned something today!

@TheSmokinApe Год назад

Awesome, thanks for watching!

@HamRadioDX 2 года назад

Great job Ape, great tips 👍

@TheSmokinApe 2 года назад

Thanks Hayden 👍

@oldskool9783 2 года назад

I use those to power bias t's. I always use galavanic isolation to protect my front end, but its good to know all of this, thanks for the heads up!

@TheSmokinApe 2 года назад

Thanks for checking out the video OS978

@brandonzawaski 11 месяцев назад

Testing for shorts prevents all kinds of problems. Great observations with the multimeter.

@TheSmokinApe 11 месяцев назад

Yes, exactly. Thanks for watching 👍

@530eman Год назад

More great information, thank you so much 💪🏻👊🏻💥

@TheSmokinApe Год назад

Glad you liked it, thanks for watching Eman 👍

@Kd4stt. 7 месяцев назад

Thank you for your video.

@TheSmokinApe 7 месяцев назад

Thanks for watching 👍

@Forevertrue Год назад

Thanks Man!! Good stuff. I am bad about assumptions, and you straightened out a few questions I had. Thanks Again.

@TheSmokinApe Год назад

Thanks for checking it out IS 👍

@DonzLockz 2 года назад

Good practical info to be aware of Mr Ape. It reminds me that I need to buy some.👍

@TheSmokinApe 2 года назад

This things are handy, thanks for checking out the video Don 👍

@OttoDestruct 5 месяцев назад

"I was today years old" when I learned this. Thanks!

@TheSmokinApe 5 месяцев назад

Thanks for watching Otto 👍

@xe1fbg 2 года назад

Muchas gracias, efectivamente un conector estaba invertido el color. 73.

@phildurall7466 2 года назад

Nicely done Sir Ape! I have on occasion, used banana plugs in the holes in the black part as well. 73, KF6IF

@TheSmokinApe 2 года назад

Thanks for checking out the video Phil 👍

@batica81 2 года назад

Very useful hint! I almost found about this the hard way. I think I will add some red duct tape to bottom part of "positive" end, just in case.

@TheSmokinApe 2 года назад

Tape is a good idea

@jeanphi0078 Год назад

always test besfore to use, you have right

@TheSmokinApe Год назад

Thanks Jean 👍

@MichaelKooiman 8 месяцев назад

Very helpful!

@TheSmokinApe 8 месяцев назад

Thanks Michael, glad you liked it 👍

@madmax2069 2 года назад

I can't count how many times I've used a continuity tester, before I bought a cheap multimeter that had one on it I just used some wire, a AA battery and a light. I've got quite a few barrel jacks where the wires have no markings to be able to tell if that wire goes to the inner or outer. Got quite a few adapters where they was shorted, some that are wired backwards vs the rest. Yeah I always like to test before I hook things up.

@t1d100 2 года назад

Great tip/heads-up.

@TheSmokinApe 2 года назад

Thanks for watching!

@DK5ONV 2 года назад

Happy New Year, SmokinApe! Stay healthy and keep up the Good Work. 73 de Your Friend Uncle Guenter

@TheSmokinApe 2 года назад

Same to you Guenter!

@paulhastings3109 2 года назад

Thanks Ape. Been wanting to get some to play around loops. Do you have link KQ4CD Paul

@TheSmokinApe 2 года назад

There's on in the description.

@GordonHudson Год назад

There used to be 50 and 75 ohm BNC plugs. The 75 ohm has a larger conical centre pin. This would fit a 50 ohm socket but break the centre connector on the socket (eventually). I haven't looked at any of these to see what the centre pins look like.

@TheSmokinApe Год назад

These are 50ohm

@darylnd Год назад

Thanks, Ape! I have a couple of these. I've never used them, since I've yet to build the antenna I had in mind. But it never even occurred to me to verify polarity.

@TheSmokinApe Год назад

Hey Daryl, thanks for watching the video!

@tangobayus Год назад

I used these to make dipole antennas. I used banana plugs to insert the wires. They work very well.

@TheSmokinApe Год назад

Using banana plugs is a good idea 👍

@tangobayus Год назад

@@TheSmokinApe I found some nice ones with set screws on Amazon. Some people drill out the holes to take larger wires. I'm using #14 stranded wire.

@TheSmokinApe Год назад

@@tangobayus sounds awesome, I should look into them 👍

@KM4ACK 2 года назад

Always test first 😃 thanks

@TheSmokinApe 2 года назад

Right. Thanks for watching Jason 👍

@mikemiles3068 2 года назад

Good video Ape👍

@TheSmokinApe 2 года назад

Thanks Mike 👍

@TheNoCodeTech 2 года назад

Great tip man, thanks.

@TheSmokinApe 2 года назад

Thanks for checking it out No Code, BTW your package should be there Monday

@TheNoCodeTech 2 года назад

@@TheSmokinApe Hey thanks a million man. Seriously, Thank You!

@TheSmokinApe 2 года назад

@@TheNoCodeTech No worries 👍

@robertmeyer4744 10 месяцев назад

I got lots of them. they do come with some test equipment . I have put Balum right on them for antenna . 73's

@TheSmokinApe 10 месяцев назад

Sounds right to me, thanks for checking out the video 👍

@ReedAB8AS 2 года назад

Thanks Ape

@TheSmokinApe 2 года назад

Thanks for checking it out Reed 👍

@hoofie2002 2 года назад

These were not designed for RF use or amateur radio use - they are purely an easy way to run test leads to a Bnc input or output such as a scope or signal generator

@barrykery1175 2 года назад

Kinder Garden class on these connectors. That's not to say that it was not needed. But please don't ever say plus and minus when referring to an RF connection since there really is no positive and negative connection when it comes to RF that is really AC. The new hams don't get this yet so don't plant the seed. Yes, it was a good video and needed to be posted. Barry

@TheSmokinApe 2 года назад

Fair point

@geekwithasideofnerd6592 2 года назад

We use these in our student's field expedient antenna kits. We call them H connectors for some reason that predates me. When building a NVIS or an inverted sloping V these things work great. The students biggest problem is using the correct BNC connection or excessive feed line. They always want to use an adapter instead of grabbing the right one and the longest cable in their bag. Operators have a hard time understanding power loss.

@TheSmokinApe 2 года назад

H Connector is as good a name as any. Thanks for checking out the video!

@DominicMazoch 2 года назад

I can see somebody using these to build a portable dipole for say QRP POTA, IOTA, SOTA, FD, MSWE..... Or a connection to ladder wire.

@TheSmokinApe 2 года назад

Yeah, these are very versatile 👍

@johnbullpit9481 2 года назад

You didn't mention about wrapping the wire around the posts. Also the holes in the side. I've used all the methods on my scope. But it was really ugly. And if you accidentally tug on a leed there is a lot of leverage.

@ronaldschild157 2 года назад

You are able to use these adapters to directly mate a BNC line (unbalanced) to a dipole antenna (balanced) without a balun in between? A balun (balance-unbalance) is usually required in mating balanced and unbalanced RF lines, but I could see the adapter working for this application, albeit not as efficiently as with a balun.

@TheSmokinApe 2 года назад

You can but I wouldn't. I am firmly in the "must use balun" camp for the holy war.

@Tump2010 2 года назад

nice video

@TheSmokinApe 2 года назад

Thanks Thump 👍

@ekbanjosworld4926 4 месяца назад

I decided to watch this just for curiosity,,, I had just bought a nice selection of these. Male/Female with Binding Posts and Banana Jacks,,, 2 of each. All four of mine were backwards ? That's how they came? I switched em because I agreed with what you said. I hadn't really looked at em yet,,, thanks!

@TheSmokinApe 4 месяца назад

Yeah, crazy that they can come like that...

@yungsmile7546 Год назад

Better to test and be safe

@TheSmokinApe Год назад

For sure, thanks for watching 👍

@antilogism 2 года назад

Who makes those? This is the first time I've ever seen a binding post nut that's removable. Just to be sure I checked my power supplies, amp, bench meter and BNC to post adapters and all are non removable including the really old HP adapter I use with the wide-band voltmeter. I went to my box-o-posts and they were all non-removable too. I have Pomona, Mueller and who knows what random brands in that box dating into the 1950s---at least.

@TheSmokinApe 2 года назад

I think these are generically made, I have a link in the description.

@fullwaverecked 2 года назад

I scored some vintage General Radio ones that are solid black, but do have the ridge for negative. Haven't used them yet, but they sure do look cool... :)

@TheSmokinApe 2 года назад

Thanks for watching FWR

@fullwaverecked 2 года назад

@@TheSmokinApe Hey, it's my pleasure. Since we're buds now, just call me FW. And if you don't mind, I'll refer to you as Ape. Never got to call anyone Ape without getting slugged... So this is pretty awesome, but let me know. I'll call you anything except 3 in the morning. Cheers!

@TheSmokinApe 2 года назад

@@fullwaverecked lol! Ape is good with me FW 👍

@fullwaverecked 2 года назад

@@TheSmokinApe Well, there ain't too many people on the planet these days that can take a joke without peein their panties, so good on ya! BTY, speaking of jokes, what do you call a deer with no eyes? ...

@fullwaverecked 2 года назад

@@TheSmokinApe No Ideaer... What kind of silly question is that?

@BruceNitroxpro 2 года назад

Have you ever run across a reversed adapter which was sold to you, or only one which was changed to reversed polarity?

@TheSmokinApe 2 года назад

No, I believe I have 8 which would be the grand total that I have purchased.

@ubergeek318 2 года назад

so what you are saying is the BNC binding posts could land you in a bind ?

@TheSmokinApe 2 года назад

Exactly

@Mino_512 2 года назад

Seems like a good place for the 'Escape from LA' nail polish trick.

@TheSmokinApe 2 года назад

Lol

@CharlesHuse 11 месяцев назад

Another tip would be to put a spot of red paint on the center pin side of the body.

@TheSmokinApe 11 месяцев назад

That's a great idea, thanks Charles.

@DominicMazoch 2 года назад

There is also a cig lighter to banana plug connector for 12V. Test. Test. Test....

@TheSmokinApe 2 года назад

Yeah, also I’ve seen fuses in them that were blown and folks didn’t know why they weren’t working.

@chrisb3989 Месяц назад

How did you fit that huge storm in that little teacup. As a reminder it’s also dangerous to eat solder flux……just in case you were not aware.

@TheSmokinApe Месяц назад

It took some work but I have practice 👍

@chrisb3989 Месяц назад

@@TheSmokinApe I like to spread solder flux on toast

@TheSmokinApe Месяц назад

@@chrisb3989 who doesn’t

@FrankTheTank 2 года назад

#TeamReplay FTW

@DominicMazoch 2 года назад

The Marsian would become really angry indeed if the connection was wired wrong!

@TheSmokinApe 2 года назад

Thanks for watching Frank \o/

@expert244 9 месяцев назад

A small mark with a red and black paint marker on the bottom of the terminal might not be a bad idea...

@TheSmokinApe 9 месяцев назад

With like a pain pen, good idea 👍

@mikewillliams7044 10 месяцев назад

using beep mode for continuity is fraught with peril. Many Fluke multimeters will beep when higher ranges are selected and resistance may be higher than 50 ohms.

@TheSmokinApe 10 месяцев назад

Thanks Mike

@mikewillliams7044 10 месяцев назад

@@TheSmokinApe it isn't common knowledge, so I thought I would pass it on, iron sharpening iron as the Bible says...73, KK5SC

@elkabong6429 Год назад

FYI, the BNC males are plugs, not jacks. The jack is what the plug inserts into or onto. The banana parts are jacks, by the same logic. The female BNC is a jack, as well.

@TheSmokinApe Год назад

Thanks EK 👍

@Philip-KA4KOE Год назад

I've always considered these widgets as for temporary use.

@TheSmokinApe Год назад

Agreed, I wouldn’t use them for a long term installation 👍

@maka5955 2 года назад

These female bananas are not a problem if even once checked. Instead, those male banana versions get the equipment easily broken. You use a male banana to connect the power supply to the terminals.

@grahamauld8894 2 года назад

But RF is AC, so what's the problem? On 20m the current changes direction 14 million times a second.

@johnwest7993 Год назад

While it's possible for someone foolish, and a lot of us are sometimes foolish, to switch the colored screws on the binding posts, the small plastic tab sticking out to the side of the connector body on the ground side says 'GND'. That won't change.

@TheSmokinApe Год назад

Hey John, that’s a good point about the tab 👍

@johnwest7993 Год назад

@@TheSmokinApe, I probably used them on and off for 2 years before I actually looked closely and saw the tabs. Some manufacturer may not include them, but so far so good by my observation. Certainly Pomona uses the tabs.

@fredtownsend7016 2 года назад

To bad you missed some of the most important features of the 5 way binding post and the features of the BNC to 3/4" banana adapter. It would be nice if you mentioned the BNC is 50 Ohms and should not be used with 75 Ohm BNCs. You missed so much.

@TheSmokinApe 2 года назад

Lol