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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: 44

Re: Eagle BRD for PCB antenna

Looking for this too!

Any help would be appreciated smile

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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: 44

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: 240

Re: Eagle BRD for PCB antenna

Are you sure he was talking about the 13.56 antenna ?
Not the 125 kHz :
7DGziZ.jpg

There is also a 13.56. But it is not the one sold with the PM3
Mp627g.jpg

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 wink

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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

charliex wrote:

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 wink

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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