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#apertus IRC Channel Logs

2016/05/30

Timezone: UTC


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jucar
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01:46
Bertl_oO
off to bed now ... have a good one everyone
01:46
Bertl_oO
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se6astian|away
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07:41
se6astian
good morning
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Bertl_zZ
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10:22
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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16:19
mandresc_
hi Hebert
16:19
mandresc_
sorry Herbert
16:19
Bertl_oO
hey
16:21
mandresc_
this is andres... thanks for your email about the axiom alpha
16:21
Bertl_oO
you're welcome!
16:22
mandresc_
so as mentioned... initially I will take the alpha route for now
16:24
Bertl_oO
okay
16:25
mandresc_
so the plan is to build myself the PCBA connected to the FMC connector
16:28
mandresc_
having said that.. can I have to the files?
16:28
mandresc_
access..
16:28
Bertl_oO
https://oshpark.com/shared_projects/ahPO4XwH
16:28
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
16:29
mandresc_
ok thankws
16:30
Bertl_oO
http://vserver.13thfloor.at/Stuff/AXIOM/ALPHA/cmv12k-adapter-v1.1.zip
16:30
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
16:30
mandresc_
ok...seems that the PCB can be ordered, is that correct? if so do you know how much is it?
16:31
Bertl_oO
it is 70 USD for three boards
16:31
Bertl_oO
shipping is free
16:32
mandresc_
ok...
16:32
Bertl_oO
the most expensive parts (except for the sensor) are the andon socket (sensor socket) and the FMC connector
16:32
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16:33
mandresc_
ok..
16:33
Bertl_oO
do you have a way to reflow?
16:33
mandresc_
no at the moment
16:33
Bertl_oO
the FMC connector cannot be directly soldered to the board
16:33
mandresc_
ok
16:34
Bertl_oO
but you can 'reflow' it on a hot plate (as first/only part)
16:34
Bertl_oO
everything else can be easily soldered including the socket
16:35
mandresc_
I am planning to get a cheap hot plate from ... so I will be able
16:35
mandresc_
ebay
16:35
Bertl_oO
in theory you could leave out the socket and solder the sensor directly, but I would strongly suggest not to do that :)
16:36
mandresc_
ok...
16:36
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
16:37
mandresc_
do you know which one could a good one?
16:37
mandresc_
be a good one?
16:38
Bertl_oO
something like this could work, but you probably want two of them because of the small size
16:38
Bertl_oO
http://www.ebay.com/itm/PTC-heating-element-50W-AC-DC-12V-consistant-temperature-ceramic-Thermostatic-/351616597756
16:38
mandresc_
ok
16:39
Bertl_oO
you need to place them directly below the FMC footprint and heat up the board similar to a reflow process
16:40
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16:40
mandresc_
ok
16:40
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
16:40
mandresc_
ok
16:41
Bertl_oO
make sure the PCB is flat on the elements or add a flat copper or aluminum layer inbetween
16:41
Bertl_oO
an old flat PCB with a lot of copper will work fine
16:41
mandresc_
ok excellent
16:42
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
16:42
Bertl_oO
and I suggest to get the leaded FMC connectors not the lead free, because they reflow at a lower temperature
16:44
mandresc_
I'm openning the bom file at the moment
16:44
Bertl_oO
note: for the Alpha you also need to mill a lens mount tube (we have a design suitable for Nikon lens systems)
16:45
mandresc_
ok
16:47
mandresc_
I guess the files are from Eagle...
16:48
Bertl_oO
ebay #391452211564 or #111944929634 might be a good choice too
16:48
Bertl_oO
yes, the design files are Eagle
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toxitobi
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16:59
se6astian|away
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17:03
mandresc_
about the CMV1200 sensor, the way to get it is to through cmosis?
17:04
mandresc_
Do you guys sell the mount for the Nikon?
17:07
Bertl_oO
you can get the sensor from cmosis or from a distributor (e.g. mouser)
17:07
mandresc_
ok..
17:07
Bertl_oO
the AXIOM Beta is using a different mount base concept
17:08
Bertl_oO
i.e. a mount base plate which utilizes a 10mm E Mount macro tube
17:08
Bertl_oO
this allows for various adapters not just the nikon one
17:09
mandresc_
ok
17:10
mandresc_
just checking now censor...
17:10
mandresc_
the sensor
17:11
mandresc_
wow..to get that it is going to take me some time..
17:15
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
17:16
Bertl_oO
I think it was a typo
17:17
mandresc_
it was.. i meant CMV12000
17:34
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17:34
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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18:56
Spirit532
cmosis directly
18:56
Spirit532
they don't deal with peasants(us), but with Apertus they can
19:00
Bertl_oO
actually they are quite friendly and even sell engineering samples to interested folks (at least they did :)
19:12
Spirit532
yup
19:12
Spirit532
but they sent me to a distributor
19:13
Bertl_oO
make sense now that they are listed at mouser for example
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21:57
se6astian
good night
21:57
se6astian
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