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reference:instrumentation:openlogger:reference-manual [2019/03/07 02:22]
Arthur Brown
reference:instrumentation:openlogger:reference-manual [2019/05/02 17:44] (current)
Arthur Brown [Function Generator]
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 {{Digilent Image Gallery ​ {{Digilent Image Gallery ​
-| image = {{ :​reference:​instrumentation:​OpenLogger:OpenLogger_1.png?direct |}} +| image = {{ :​reference:​instrumentation:​openlogger:openlogger-acrylics-use-600.png?​direct ​ |}} 
-| image = {{ :​reference:​instrumentation:​OpenLogger:OpenLogger_2.png?direct |}} +| image = {{ :​reference:​instrumentation:​openlogger:openlogger-acrylics-top-600.png?​direct ​ |}} 
-| image = {{ :​reference:​instrumentation:​OpenLogger:OpenLogger_3.png?direct |}}+| image = {{ :​reference:​instrumentation:​openlogger:openlogger-acrylics-bottom-600.png?​direct ​ |}} 
 +| image = {{ :​reference:​instrumentation:​openlogger:​openlogger-acrylics-rear-600.png?​direct ​ |}} 
 +| image = {{ :​reference:​instrumentation:​openlogger:​openlogger-use-600.png?​direct ​ |}} 
 +| image = {{ :​reference:​instrumentation:​openlogger:​screwterminaladapter_for_openlogger-use-600.png?direct |}}
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 ======= Function Generator ====== ======= Function Generator ======
-Function ​The OpenLogger has a single channel 2 MS/s, 10-bit function generator. An R2R resistor ladder with 1% resistors is used in place of a DAC. /* Due to the nature of resistor ladders, it is possible to have a missing code for steps larger than 3 mV or encounter propagation delays, most notably when switching between the values of 0x1FF and 0x200. The channel uses 10 IO pins on the PIC32MZ to generate the output through the resistor ladder and a DMA channel that is shared with the Logic Analyzer at the highest priority level to transfer data and a PWM output to control the offset voltage level. */ +The OpenLogger has a single channel 2 MS/s, 10-bit function generator. An R2R resistor ladder with 1% resistors is used in place of a DAC. /* Due to the nature of resistor ladders, it is possible to have a missing code for steps larger than 3 mV or encounter propagation delays, most notably when switching between the values of 0x1FF and 0x200. The channel uses 10 IO pins on the PIC32MZ to generate the output through the resistor ladder and a DMA channel that is shared with the Logic Analyzer at the highest priority level to transfer data and a PWM output to control the offset voltage level. */
  
 The function generator supports: The function generator supports: