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<
_whitenotifier-c >
[whitequark/Glasgow] whitequark 6c47f86 - applet.audio_output: new applet.
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<
whitequark >
say i have a delta sigma DAC
08:39
<
whitequark >
why is the DAC input sign-extended for the delta adder, even though it's unsigned?
08:54
<
tnt >
huh, do you have code ? Looking back at my 1st order sigma delta, I don't see any sign extend, just an accumulator and the overfow is the output.
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TD-Linux >
q3k, do you have any spare ulx3s pcbs?
15:09
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q3k >
i'm supposed to send one to G33KatWork, i can also snailmail one your way
15:09
<
q3k >
as i think i have two spares.
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<
G33KatWork >
> Please contact us via email contact@mikroprojekt.hr about item availability and ordering details.
15:48
<
somlo >
right, I emailed them about a week ago and got nothing back, which is why I was wondering
15:48
<
G33KatWork >
that board could make a nice 2G/3G/4G/5G/whatever basestation with the right ADCs and DACs
15:49
<
somlo >
I'm really only interested in the FPGA side, since it apparently has an 8Gig RAM chip wired to the ECP5
15:50
<
somlo >
but yeah, one could find something to do with the extra embedded computer :)
15:50
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daveshah >
I'm pretty sure tinyfpga bought one
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G33KatWork >
somlo: the technical details say 512MiB for the ECP5
15:51
<
G33KatWork >
and the same for the imx6
15:51
<
tinyfpga >
daveshah: which board?
15:51
<
somlo >
that's still better than most other boards I know of
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<
somlo >
tinyfpga: KONDOR-AX
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<
tinyfpga >
somlo, daveshah: yup, I have one on loan from mithro
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<
somlo >
I was just wondering if they're still being made & sold, and how long is their "normal" time to reply to email inquiries :)
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<
TD-Linux >
q3k, ok. I'm in the US. lmk if you can, if not I'll order 5 more
17:27
<
TD-Linux >
(bare pcb)
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q3k >
TD-Linux: you're probably better off oshparking them yourself and distributing them to fellow US hackers
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<
TD-Linux >
q3k, ok cool. (they aren't oshpark tolerances sadly ;_;)
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<
TD-Linux >
actually maybe. osh park min drill is a bit big but it might fly
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<
q3k >
TD-Linux: ... i did mine at oshpark
17:29
<
TD-Linux >
oh cool. if it worked I'll do it
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