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#1 2013-11-02 11:55:22
- glicerine
- Member
- Registered: 2013-11-02
- Posts: 2
Eagle BRD for PCB antenna
Hi,
Where can I find the Eagle BRD file for build a PCB antenna 13.56MHz?
I have found BRD file for 125KHz but for 13.56MHz.
Thank you
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#2 2014-06-07 06:15:52
- kwx
- Contributor
- Registered: 2013-11-26
- Posts: 46
Re: Eagle BRD for PCB antenna
Looking for this too!
Any help would be appreciated 
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#3 2014-06-07 20:37:44
- charliex
- Contributor
- From: Los Angeles/Scotland
- Registered: 2010-08-05
- Posts: 70
- Website
Re: Eagle BRD for PCB antenna
There isn't one, you'll have to roll your own. Plus manufacturing differences make it more complicated than just a brd file unfortunately.
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#4 2014-06-09 07:38:53
- kwx
- Contributor
- Registered: 2013-11-26
- Posts: 46
Re: Eagle BRD for PCB antenna
Hey Charlie -
Thanks for the reply. The only reason I mention the BRD is because according to user laser's posts: "I found a PCB design for the 13.56 antenna in the downloads section of the forum" - and that's the one he's been manufacturing (xfpga) - emailed him with no luck so far - and trawled the forum with no success either.
Anyone's input would be appreciated!
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#5 2014-06-09 07:57:09
- app_o1
- Contributor
- Registered: 2013-06-22
- Posts: 247
Re: Eagle BRD for PCB antenna
Are you sure he was talking about the 13.56 antenna ?
Not the 125 kHz : 
There is also a 13.56. But it is not the one sold with the PM3
Last edited by app_o1 (2014-06-09 08:00:55)
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#6 2014-06-09 21:30:48
- charliex
- Contributor
- From: Los Angeles/Scotland
- Registered: 2010-08-05
- Posts: 70
- Website
Re: Eagle BRD for PCB antenna
yeah i've never seen a 13.56mhz antenna BRD file for the one that comes from the official site, we rolled our own but like i said manufacturing differences changes it a lot. We used high end lcr's and network analysers to figure out what it ought to do, and i beat the voltage by wrapping some magnet wire around my fingers, RF is black magic 
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#7 2014-07-18 23:02:57
- cilek
- Member
- Registered: 2014-07-18
- Posts: 2
Re: Eagle BRD for PCB antenna
yeah i've never seen a 13.56mhz antenna BRD file for the one that comes from the official site, we rolled our own but like i said manufacturing differences changes it a lot. We used high end lcr's and network analysers to figure out what it ought to do, and i beat the voltage by wrapping some magnet wire around my fingers, RF is black magic
That’s true even I didn’t even find the BRD file for 13.56 MHz antenna from any official site and would appreciate if somebody provide me the 13.56MHz BRD antenna file and also I want to know what kind of changes the manufacturing differences made.
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#8 2014-07-19 05:34:49
- gbhuk
- Contributor
- Registered: 2012-09-20
- Posts: 33
Re: Eagle BRD for PCB antenna
There's a file in download section however the note describes the PCB as untested in production:
http://proxmark.org/files/Various%20Hardware/Snapper%2013.56MHz%20PCB%20Antenna/
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