BNC male to BNC male adapter

john dozier · 29th May 2012, 02:33 AM

I am trying to find a BNC male to BNC male adapter with teflon insulation. All the ones I find have Delrin. I did find one supplier for adapters with teflon insulatin, but they want a $50 minimum order. Anyone know of a supplier who will supply just one? Thanks

Pano · 29th May 2012, 02:44 AM

That's a tough one. The male to male BNC is rare, don't think I've ever seen one. The Female-female BNC barrel is much more common.
Makertek sells them, but no specs.

john dozier · 29th May 2012, 02:48 AM

I may just have to spring for the $50 minimum, but I really do not want to. But at least I know I am getting what I want. Regards

Pano · 29th May 2012, 02:50 AM

What you gotta do? I can't picture what you'd use it for. Unless you have a cable with a female end that you need to turn around.

john dozier · 29th May 2012, 02:53 AM

It is to mate a jitter reduction device directly to a DAC input. It's to keep cable induced jitter to a minimum. Regards

Pano · 29th May 2012, 02:58 AM

Got it, makes sense thanks! A BNC cable without the cable.

gootee · 29th May 2012, 03:04 AM

Narda? Pasternak? MCM (I think it is)?

Why don't you want to use the ones with Delrin?

DF96 · 29th May 2012, 10:41 AM

How fast is the DAC receiver? Provided your connection transit time is significantly shorter than the receiver response time it should not matter how much shorter it is. There is an argument that a longer cable can reduce jitter, because it gives more attenuation of reflections.

Ideally, your jitter reduction device should be next to the DAC on the same PCB. Even then you have PCB traces acting as transmission lines.

SY · 29th May 2012, 12:11 PM

As long as the impedance is 75 ohms, why on earth would Delrin be a problem? It's mechanically much sounder than Teflon.

DF96 · 29th May 2012, 12:25 PM

BNC only works up to 3GHz, so obviously marginal for audio. Maybe we should start a trend to SMA (10GHz)?

29th May 2012, 02:33 AM	#1
john dozier diyAudio Member Join Date: Dec 2010 Location: columbia sc	BNC male to BNC male adapter I am trying to find a BNC male to BNC male adapter with teflon insulation. All the ones I find have Delrin. I did find one supplier for adapters with teflon insulatin, but they want a $50 minimum order. Anyone know of a supplier who will supply just one? Thanks __________________ Evil looms. Cowboy up. Kill it. Get Paid.

29th May 2012, 02:48 AM	#3
john dozier diyAudio Member Join Date: Dec 2010 Location: columbia sc	I may just have to spring for the $50 minimum, but I really do not want to. But at least I know I am getting what I want. Regards __________________ Evil looms. Cowboy up. Kill it. Get Paid.

29th May 2012, 02:53 AM	#5
john dozier diyAudio Member Join Date: Dec 2010 Location: columbia sc	It is to mate a jitter reduction device directly to a DAC input. It's to keep cable induced jitter to a minimum. Regards __________________ Evil looms. Cowboy up. Kill it. Get Paid.

29th May 2012, 12:11 PM	#9
SY diyAudio Moderator Join Date: Oct 2002 Location: Chicagoland Blog Entries: 1	As long as the impedance is 75 ohms, why on earth would Delrin be a problem? It's mechanically much sounder than Teflon. __________________ If there's a sucker born every minute, where do the rest of them come from?

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29th May 2012, 02:44 AM	#2
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	That's a tough one. The male to male BNC is rare, don't think I've ever seen one. The Female-female BNC barrel is much more common. Makertek sells them, but no specs.

29th May 2012, 02:50 AM	#4
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	What you gotta do? I can't picture what you'd use it for. Unless you have a cable with a female end that you need to turn around.

29th May 2012, 02:58 AM	#6
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Got it, makes sense thanks! A BNC cable without the cable.

29th May 2012, 03:04 AM	#7
gootee diyAudio Member Join Date: Nov 2006 Location: Indiana Blog Entries: 1	Narda? Pasternak? MCM (I think it is)? Why don't you want to use the ones with Delrin?

29th May 2012, 10:41 AM	#8
DF96 diyAudio Member Join Date: May 2007	How fast is the DAC receiver? Provided your connection transit time is significantly shorter than the receiver response time it should not matter how much shorter it is. There is an argument that a longer cable can reduce jitter, because it gives more attenuation of reflections. Ideally, your jitter reduction device should be next to the DAC on the same PCB. Even then you have PCB traces acting as transmission lines.

29th May 2012, 12:25 PM	#10
DF96 diyAudio Member Join Date: May 2007	BNC only works up to 3GHz, so obviously marginal for audio. Maybe we should start a trend to SMA (10GHz)?

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