Re: super new asic

I know for certain that the INA333 chip itself isn't that expensive, unless you decide on the through-hole DIP-8 variety, in which case they're about $99.  They're nice on the analog side of things.  As for digital, that's a whole other world to me.
I plan on taking the output of a few channels and running them through a sound card microphone input and recording the results using a system like the old true quadrophonic recordings used - modulate the channels with a specific frequency, and then demodulate it to see it on a strip chart (or modulate the brainwave signals to a groovy pair of beatnik frequency glasses with lots of bright red LED's in them) or even pump it through a subwoofer.  So many experiments for one brain to do!  Most of them are analog, too!

Kevin



     On Wednesday, May 6, 2015 2:01 PM, Jake Stewart <[email protected]> wrote:
   

 At first glance, I'm not sure I agree with you.  The chips seem wildly overpriced and there seems to be quite a lot of external components required. I think you could build any design a lot cheaper using TI chips.  The TI chips DO require very few external components and there's a lot more tested designs and a community around them.Check out: openbci.com You can already put TI chip channels together far closer than you can mount any sort of connector, so density isn't really an issue.  The TI chip specs are great, and the price per channel is WAY lower than Intan if I'm understanding things correctly. Thanks for posting this, it's good to know what's out there.  Maybe Intan will come down on their pricing, or there's some advantage I'm not seeing.  But right now it looks to me like the TI chips are the way to go in terms of price/channel, board complexity, community support, etc.. -Jake Sent: Friday, April 17, 2015 at 5:43 PM
From: "gareth thomas" <[email protected]>
To: "[email protected]" <[email protected]>
Subject: [Openeeg-list] super new asichas anybody else seen the new ITAN biosignal chips. these can take up to 256 channels - 4x 64 channel chip it does all of the analog end and adc onboard. They also have released the verilog to stream the output into an FPGA. All of the dev board schematics have been released I believe.  the chips are not cheap & the dev board is very expensive but the chip itself only needs a hand full of external components. So I am thinking its time for a totally new design - I was gunna go with the TI asic but this is way better. I want to make a real time loreta system similar to the mensia one Mensia Neurofeedback protocol using LORETA in real-time
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