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#apertus IRC Channel Logs

2016/05/30

Timezone: UTC


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jucar
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Bertl_oO
off to bed now ... have a good one everyone
00:46
Bertl_oO
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se6astian|away
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se6astian
good morning
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Bertl_zZ
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09:22
Bertl
morning folks!
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Bertl
off for now ... bbl
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Bertl
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se6astian
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15:19
mandresc_
hi Hebert
15:19
mandresc_
sorry Herbert
15:19
Bertl_oO
hey
15:21
mandresc_
this is andres... thanks for your email about the axiom alpha
15:21
Bertl_oO
you're welcome!
15:22
mandresc_
so as mentioned... initially I will take the alpha route for now
15:24
Bertl_oO
okay
15:25
mandresc_
so the plan is to build myself the PCBA connected to the FMC connector
15:28
mandresc_
having said that.. can I have to the files?
15:28
mandresc_
access..
15:28
Bertl_oO
https://oshpark.com/shared_projects/ahPO4XwH
15:28
Bertl_oO
this is the easiest way to get you the PCB, but let me dig out the design files as well for the BOM
15:29
mandresc_
ok thankws
15:30
Bertl_oO
http://vserver.13thfloor.at/Stuff/AXIOM/ALPHA/cmv12k-adapter-v1.1.zip
15:30
Bertl_oO
this is for version 1.1, but the 1.2 didn't change much, I'll see if I can find the 1.2 as well
15:30
mandresc_
ok...seems that the PCB can be ordered, is that correct? if so do you know how much is it?
15:31
Bertl_oO
it is 70 USD for three boards
15:31
Bertl_oO
shipping is free
15:32
mandresc_
ok...
15:32
Bertl_oO
the most expensive parts (except for the sensor) are the andon socket (sensor socket) and the FMC connector
15:32
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15:33
mandresc_
ok..
15:33
Bertl_oO
do you have a way to reflow?
15:33
mandresc_
no at the moment
15:33
Bertl_oO
the FMC connector cannot be directly soldered to the board
15:33
mandresc_
ok
15:34
Bertl_oO
but you can 'reflow' it on a hot plate (as first/only part)
15:34
Bertl_oO
everything else can be easily soldered including the socket
15:35
mandresc_
I am planning to get a cheap hot plate from ... so I will be able
15:35
mandresc_
ebay
15:35
Bertl_oO
in theory you could leave out the socket and solder the sensor directly, but I would strongly suggest not to do that :)
15:36
mandresc_
ok...
15:36
Bertl_oO
you can buy one of those ceramic elements which go up to 240°C or so, they work pretty well for small size hot-plate reflow
15:37
mandresc_
do you know which one could a good one?
15:37
mandresc_
be a good one?
15:38
Bertl_oO
something like this could work, but you probably want two of them because of the small size
15:38
Bertl_oO
http://www.ebay.com/itm/PTC-heating-element-50W-AC-DC-12V-consistant-temperature-ceramic-Thermostatic-/351616597756
15:38
mandresc_
ok
15:39
Bertl_oO
you need to place them directly below the FMC footprint and heat up the board similar to a reflow process
15:40
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15:40
mandresc_
ok
15:40
Bertl_oO
i.e. keep it at 150 or so for a few minutes to get an even temperature distribution, then go up to the maximum
15:40
mandresc_
ok
15:41
Bertl_oO
make sure the PCB is flat on the elements or add a flat copper or aluminum layer inbetween
15:41
Bertl_oO
an old flat PCB with a lot of copper will work fine
15:41
mandresc_
ok excellent
15:42
Bertl_oO
in any case, test the elements with some solder beforehand, it doesn't help if they are 'just' a few degrees too cold
15:42
Bertl_oO
and I suggest to get the leaded FMC connectors not the lead free, because they reflow at a lower temperature
15:44
mandresc_
I'm openning the bom file at the moment
15:44
Bertl_oO
note: for the Alpha you also need to mill a lens mount tube (we have a design suitable for Nikon lens systems)
15:45
mandresc_
ok
15:47
mandresc_
I guess the files are from Eagle...
15:48
Bertl_oO
ebay #391452211564 or #111944929634 might be a good choice too
15:48
Bertl_oO
yes, the design files are Eagle
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toxitobi
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se6astian|away
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16:03
mandresc_
about the CMV1200 sensor, the way to get it is to through cmosis?
16:04
mandresc_
Do you guys sell the mount for the Nikon?
16:07
Bertl_oO
you can get the sensor from cmosis or from a distributor (e.g. mouser)
16:07
mandresc_
ok..
16:07
Bertl_oO
the AXIOM Beta is using a different mount base concept
16:08
Bertl_oO
i.e. a mount base plate which utilizes a 10mm E Mount macro tube
16:08
Bertl_oO
this allows for various adapters not just the nikon one
16:09
mandresc_
ok
16:10
mandresc_
just checking now censor...
16:10
mandresc_
the sensor
16:11
mandresc_
wow..to get that it is going to take me some time..
16:15
toxitobi
https://github.com/apertus-open-source-cinema/beta-hardware/tree/master/Datasheets there are the datasheets of the CMV12000 don't know if you really meant CMV1200 or if it was just a mistake
16:16
Bertl_oO
I think it was a typo
16:17
mandresc_
it was.. i meant CMV12000
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16:34
mandresc_
seems that the BOM is ~150 USD + the sensor which from mouser is ~1K5 USD..so the question now is what will be the best way to get the sensor from?
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17:56
Spirit532
cmosis directly
17:56
Spirit532
they don't deal with peasants(us), but with Apertus they can
18:00
Bertl_oO
actually they are quite friendly and even sell engineering samples to interested folks (at least they did :)
18:12
Spirit532
yup
18:12
Spirit532
but they sent me to a distributor
18:13
Bertl_oO
make sense now that they are listed at mouser for example
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20:57
se6astian
good night
20:57
se6astian
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