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#1 2018-09-10 00:29:22

spp2000
Contributor
From: Italy
Registered: 2018-08-23
Posts: 25

Proxmark3 component list

Hi there,
do you know if there is a Proxmark3 component list? I'm interested in the one for the Easy version, but should be good the RDV2 too.
I have the suspect that I have a broken 16MHz crystal on my PM3 Easy; I would like to try to replace it, but without a specific code I don't know what to buy.
If I search in online catalogs, like RS component, after filtering for frequency and dimensions, to get the right replacement, I need to choose also frequency tolerance (+/-10...+/-50ppm), load capacitance (8....20pF), series resistor (60-150 Ohm) and frequency stability (+/-10....+/-50ppm).
In Github I found only a component list for the old Proxmark3, that uses different crystal and oscillator: proxmark3.xls
Can you help me?
Thanks

Last edited by spp2000 (2018-09-10 00:31:27)

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#2 2018-09-10 23:48:11

grauerfuchs
Contributor
Registered: 2018-08-28
Posts: 26

Re: Proxmark3 component list

Unfortunately, the PM3 Easy isn't an open hardware model. The manufacturer hasn't released a schematic or parts list. However, I suspect the following would be a good match even if it does look different:

DigiKey part: 535-9693-1-ND
Datasheet: https://abracon.com/Resonators/abm9.pdf
Price: $1.14US (at time of lookup)

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#3 2018-09-11 22:40:41

spp2000
Contributor
From: Italy
Registered: 2018-08-23
Posts: 25

Re: Proxmark3 component list

Hi grauerfuchs,
happy to see you again smile
On RS components I have found the ABM8 series (not ABM9) that also have the same dimensions of mine (3.5x2.5mm Vs 4.0x2.5mm). I have just bought the p/n ABM8-16.000MHZ-10-1-U-T (you suggested ABM9-16.000MHZ-10-D-1U-T).
Thanks!!

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#4 2018-09-11 22:45:40

grauerfuchs
Contributor
Registered: 2018-08-28
Posts: 26

Re: Proxmark3 component list

All right, it should at least be close enough to match the pads. My caliper measured the crystal as 4.0x2.0mm, but a half mm here or there shouldn't cause too much trouble on this board. I expect the ABM8 will meet the needs as well as the ABM9 could have done.

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#5 2018-09-18 12:58:36

spp2000
Contributor
From: Italy
Registered: 2018-08-23
Posts: 25

Re: Proxmark3 component list

I confirm that ABM8-16.000MHZ-10-1-U-T is a working replacement for my PM3 Easy (16MHz crystal) and it fits perfectly the pads on the PCB.

https://preview.ibb.co/eMSvXK/16mhz.jpg

Last edited by spp2000 (2018-09-18 13:01:57)

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#6 2018-09-18 16:45:14

grauerfuchs
Contributor
Registered: 2018-08-28
Posts: 26

Re: Proxmark3 component list

Excellent. It looked from the specs like it would be a proper replacement. I'm glad we now have that confirmed.

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