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Red Pitaya - preliminary work

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    Comparing version 02:17, 6 Feb 2017 by John with version 02:26, 6 Feb 2017 by John.

    ...

    • use high-speed (125 MS/s) 14-bit ADC-A for video;
      set jumper for +/- 1 Volt input
      use resistor network for impedance matching
       
    • use high-speed 14-bit ADC-B for trigger
      set jumper for +/- 20 Volt input
       
    • use low-speed (100 kS/s) 1210-bit ADC for ARP / heading (Analog input 0);
      use resistor network to adjust range, limit current draw
       
    • use low speed 1210-bit ADC for ACP / azimuth (Analog input 1);
      use resistor network to adjust range, limit current draw.

    Pinout for headers on which Analog Inputs 0 and 1 are available is here:

    http://redpitaya.readthedocs.io/en/latest/doc/developerGuide/125-14/extent.html

    ...

    Other changes:

    1. /body/p/a/@class: " external""external"
    2. /body/p[7]/a/@class: " external""external"
    3. /body/p[9]/a/@class: " external""external"
    4. /body/p[11]/a/@class: " external""external"

    Version from 02:17, 6 Feb 2017

    This revision modified by John (Ban)

    ...

    • use high-speed 14-bit ADC-A for video
    • use high-speed 14-bit ADC-B for trigger
    • use low-speed 10-bit ADC for ARP / heading
    • use low speed 10-bit ADC for ACP / azimuth

    ...

    Version as of 02:26, 6 Feb 2017

    This revision modified by John (Ban)

    ...

    • use high-speed (125 MS/s) 14-bit ADC-A for video;
      set jumper for +/- 1 Volt input
      use resistor network for impedance matching
       
    • use high-speed 14-bit ADC-B for trigger
      set jumper for +/- 20 Volt input
       
    • use low-speed (100 kS/s) 12-bit ADC for ARP / heading (Analog input 0);
      use resistor network to adjust range, limit current draw
       
    • use low speed 12-bit ADC for ACP / azimuth (Analog input 1);
      use resistor network to adjust range, limit current draw.

    Pinout for headers on which Analog Inputs 0 and 1 are available is here:

    http://redpitaya.readthedocs.io/en/latest/doc/developerGuide/125-14/extent.html

    ...


     
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