private void UpdateAnalogIFFilters()
{
this._analogFilterConfig = null;
if (this._useDynamicRangeEnhancements)
{
AnalogFilterSet analogFilterSet = Array.Find(AirspyDevice._analogDecimationFilters, (AnalogFilterSet item) => item.SampleRate == this._sampleRate);
if (analogFilterSet != null)
{
int num = Math.Min(this._decimationStages, analogFilterSet.Filters.Length - 1);
this._analogFilterConfig = analogFilterSet.Filters[num];
this.SetAnalogIFFilters(this._analogFilterConfig.LPF, this._analogFilterConfig.HPF);
}
}
}
private void UpdateDDC()
{
int num = 1 << this._decimationStages;
if (this._ddc != null && this._ddc.DecimationRatio == num && this._ddc.SampleRate == (double)this._sampleRate)
{
return;
}
this._ddc = new DownConverter((double)this._sampleRate, num);
AnalogFilterConfig analogFilterConfig = this._analogFilterConfig;
if (analogFilterConfig != null)
{
this._ddc.Frequency = (double)analogFilterConfig.Shift;
}
}
