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IWR6843ISK: How to calculate ADC sampling Time

Christoph Hintz1
Prodigy 250 points
Part Number: IWR6843ISK

Hi,

I have a question to the following figure.

The ADC sampling time is not defined in the profile configuration of the radar. 

1. Is it correct that it is the result of equation 1/digOutSampleRate * numADCSamples?

2. If 1 is correct, what would happen if the Ramp End Time is set shorter than the End ADC Sampling time ?

  • +1
    TI__Genius 10730 points

    Hello,

    1. Yes, ADC Sampling Rate can be determined by calculating (Number of Samples)/(Sampling Rate) which is represented by the inputs (numADCSamples)/(digOutSampleRate). 

    2. Ramp End Time must be set to be greater than the sum of ADC Valid Start Time and ADC Sampling Rate. That is rampEndTime > adcStartTime + (numADCSamples)/(digOutSampleRate)

    Thanks,

    Angie