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Digital Signal Processing Using CASPER Tools

Digital Signal Processing Using CASPER Tools. Daria Lane & Bang Nhan NAIC/NRAO Single Dish Summer School 7 Arecibo Observatory 11-16 July 2013. Analog. AKA Lots of cables…. DIGITAL=FUTURE. CASPER Hardware – ROACH + iADC. FPGA. ADC.

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Digital Signal Processing Using CASPER Tools

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  1. Digital Signal Processing Using CASPER Tools Daria Lane & Bang Nhan NAIC/NRAO Single Dish Summer School 7 Arecibo Observatory 11-16 July 2013

  2. Analog. AKA Lots of cables…

  3. DIGITAL=FUTURE

  4. CASPER Hardware – ROACH + iADC FPGA ADC

  5. ROACH (Reconfigurable Open Architecture Computing Hardware) Z-DOK+ PowerPC Mem DIO CX4 Ethernet ADC RS232

  6. Analog to Digital Converter - ADC iADC (ADC2x1000-8) A/D … or = katADC A/D … clock

  7. Analog to Digital Down-Conversion

  8. Low Pass Filter

  9. Downsampling

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