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Seeking Comments about Getting into Digital RF Analysis (SOLVED)

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jpanhalt

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I am considering getting an Analog Devices System Demonstration Platform ("SDP," http://www.analog.com/media/en/technical-documentation/user-guides/UG-340.pdf) and a 1.3 MSPS, 16-bit ADC daughter board with an AD7683.

Those were chosen as a quick and relatively inexpensive way to get into low-frequency (about 650 kHz bandwidth), digital RF analysis. My first thoughts were to use a fast SPI controller (e.g., a CLPD), memory (e.g., SDRAM), and a PIC (e.g., 24F or enhanced 16F) for later analysis. I found this introductory link regarding CLPD that seemed "simple" (http://hackaday.com/2008/12/11/how-to-programmable-logic-devices-cpld/ ), but as I read more about that approach, I fear the development time and hidden costs would outweigh the cost advantage.

Any comments or suggestions about that plan?

Regards,
John
 

jpanhalt

Well-Known Member
Most Helpful Member
Given how busy I am this Summer dealing with the devastation caused by the emerald ash borer plus the usual projects, I went ahead and got the PulSAR setup. I did find on the Microchip sites that the 24F can handle that SPI speed.

John
 
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