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Author Topic: Genuine Extra Stimulus LaserBoy Correction Amp Boards!  (Read 62544 times)

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Offline weiweiweiwear

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Re: Genuine Extra Stimulus LaserBoy Correction Amp Boards!
« Reply #15 on: January 21, 2024, 05:09:54 am »
Hi guys

Anyone knows why the pin 14 and 15 are grouded? shouldn't it be both given -5V?
I followed here for my previous adaptor board.
Many thanks!
« Last Edit: January 21, 2024, 05:48:23 am by weiweiweiwear »
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Offline James

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Re: Genuine Extra Stimulus LaserBoy Correction Amp Boards!
« Reply #16 on: April 13, 2024, 02:17:19 pm »
Since you are using a typical USB multichannel sound device, the whole thing is single ended. That is it is not differential. When driving a device that has differential inputs with a single-ended source, it is necessary to ground the unused inverting input.
« Last Edit: April 13, 2024, 03:01:35 pm by James »
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