Current Server Time: 12:49 (Central Europe)

#apertus IRC Channel Logs

2018/08/10

Timezone: UTC


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05:11
Bertl_oO
off to bed now ... have a good one everyone!
05:11
Bertl_oO
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se6astian|away
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se6astian
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se6astian
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se6astian
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se6astian
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se6astian
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se6astian
07:54
se6astian
good morning
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RexOrCine|away
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11:46
rahul__
hello
11:51
se6astian
hi rahul!
11:51
se6astian
how are things going?
11:59
rahul__
good....will be leaving today
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13:21
Bertl_zZ
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sebix
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13:21
Bertl
morning folks!
13:23
se6astian
good day
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14:08
danieel
hello
14:08
danieel
Bertl: what solution would you choose to support sensors with multiple clocks?
14:09
danieel
e.g. 48 MHz, 29.166 MHz, 32.4 MHz
14:09
Bertl
like more than one clock or like different clock speeds?
14:09
danieel
one clock , different value depending on model
14:10
danieel
is the onchip fpga pll good enough for the sensor? (i know its not good enough for RF)
14:10
Bertl
well, PLL and MMCM are quite flexible in this regard and I think they are more than fine for digital sensors
14:11
danieel
also I find it hard to generate all options from single clock source (assuming integer ratios)
14:11
Bertl
that's why MMCMs support fractional dividers as well
14:11
danieel
isnt that just /8?
14:12
Bertl
but of course, if you need high precision and stability, you want an external clock source
14:12
Bertl
(or clock generator)
14:12
danieel
i was rather to go for some external fractional pll (a cheaper part), if you had any experience
14:17
danieel
eg. go for CS2000 that could do true fractional and even have an option to modify it slightly for genlock purposes
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14:37
Bertl
we did some testing with the TI PLL/clock synthesizers
14:38
Bertl
but we didn't see a big advantage over the built in PLL/MMCM for our purposes
14:38
Bertl
unless you are using the clock to generate RF signals the jitter and frequency tolerances are more than fine
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14:55
danieel
which parts were they?
14:56
BAndiT1983|away
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14:56
Bertl
cdce906 and similar
14:58
because
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because
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danieel
seems nice for AV syncing
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se6astian
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16:30
Bertl
off for now ... bbl
16:30
Bertl
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BAndiT1983
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BAndiT1983|away
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change
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RexOrCine
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niemand
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se6astian
off to bed
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se6astian
good night
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se6astian
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23:02
davidak[m]
http://www.kinefinity.com/wp-content/uploads/2018/03/mavo_launch_4.jpeg
23:02
davidak[m]
looks a little like the axiom beta compact
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BAndiT1983
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BAndiT1983|away
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BAndiT1983
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Bertl_oO