How to make ADC core get analog volt from the spartan3 kit ?

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alieeldin

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ADC core

hi
i use spartan3 fpga , i want ADC core to get analog volt direcy from the kit and then out digital data

thanks for any help
 

Re: ADC core

Are you kidding ?
An ADC in an all digital FPGA ?
Never heard of such an odd idea.
If you want an ADC you may pick one of the new Actel Fusion FPGAs. They have several ADCs on board.
Regards, yego

P.s. ADC is an Analog to Digital converter, and you can attach any commercially available ADC to your FPGA externally.

or to implement an ADC in FPGA ypurself you need at least one external comparator and a resistor ladder attached to your FPGA.
 

Re: ADC core

You can also find Delta Sigma DAC (Digital to Analog Converter) core for Xilinx Vertex FPGA

h**p://direct.xilinx.com/bvdocs/appnotes/xapp154.pdf
 

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