title: stm32f103 ADC sampling rate
body: <p>I set adc sample time cycles here :</p>
  
  <pre><code>ADC_RegularChannelConfig(ADC1, ADC_Channel_17, 1, ADC_SampleTime_71Cycles5);
  </code></pre>
  
  <p>How to calculate sampling rate of ADC from that in stm32f103 ?</p>