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PGA power supply Empty PGA power supply

Post  holly87 on Wed May 25, 2011 9:38 pm

I am using a PGA with an external power supply (PS20W). The PGA output is sent to a ME64_USB acquisition system, powered by a PS40W external power supply. Then, data are sent to a PC. I'm wondering why I have to supply the PGA with PS20W..Couldn't I use only the PS40W to energise all the devices connected to ME64_USB (i.e the PGA or a custom filter amplifier board) ?
thank you

Giulia Smile


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PGA power supply Empty Re: PGA power supply

Post  Frank MCS on Sun May 29, 2011 8:17 pm

Dear Giulia,
of course one power supply is enough. The PS40W attached to the USB-ME64 is not actually supplying any power for the DAQ itself, but only to any attached device. So you can skip the PS20W attached to the PGA.

Best regards Frank
Frank MCS
Frank MCS

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