PureSignal_final_selection
PureSignal_final_selection
PureSignal_final_selection
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DIGITAL DOWN-CONVERSION RECEIVER<br />
( DDC )<br />
PROCESS DIGITAL SIGNAL<br />
DIGITAL DOWNCONVERT<br />
Decimate<br />
Mix<br />
SPKR<br />
DAC<br />
Process in<br />
Software DSP<br />
ADC<br />
RF<br />
Digital Signal<br />
Generator<br />
Digital<br />
Oscillator<br />
Preamp/ATT<br />
Filters<br />
• Mix With Complex Oscillator To Generate Baseband (0 Hz IF) Signal<br />
• Decimate Down From The Sample Rate Of The Oscillator & ADC (122.88 Mhz)<br />
• Process The Complex Digital Signal (I,Q) To Generate Audio<br />
• Sample rates are easily processed in software (48K – 384K)<br />
©2014 Warren Pratt, NR0V 2
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