PureSignal_final_selection

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ADAPTIVE BASEBAND PREDISTORTION Basic Concept Generate Signal I,Q Apply Correction I,Q DUC DAC RF RF Correction Compare Signals & Calculate Correction I,Q DDC ADC Amplifier RF • Apply Correction to the out-bound signal • Calculate Correction by Comparing the Input & Output of the Amplifier • BASEBAND – I,Q Before Up-Conversion / I,Q After Down-Conversion • ADAPTIVE – Repeat the process to Adapt to Changing Conditions ©2014 Warren Pratt, NR0V 16
ADAPTIVE BASEBAND PREDISTORTION SOFTWARE FIRMWARE HARDWARE Generate Signal I,Q Apply Correction I,Q DUC DAC RF RF Correction Compare Signals & Calculate Correction I,Q DDC ADC Amplifier RF ©2014 Warren Pratt, NR0V 17
Page 1 and 2: DIGITAL PREDISTORTION LINEARIZING O
Page 3 and 4: DIGITAL UP-CONVERSION TRANSMITTER (
Page 11 and 12: WHY Because the amplifier is NOT p
Page 13 and 14: CORRECTION BY PREDISTORTION 1 0.9 0
Page 15: ADAPTIVE BASEBAND PREDISTORTION Bas
Page 19 and 20: ADAPTIVE BASEBAND PREDISTORTION SOF
Page 21 and 22: ADAPTIVE BASEBAND PREDISTORTION CAL
Page 23 and 24: MEMORY EFFECTS THE PREDISTORTION EN
Page 25 and 26: USING PURESIGNAL 1. Install your co
Page 27 and 28: USING AMPVIEW ©2014 Warren Pratt,
Page 29 and 30: PURESIGNAL RESULTS Kurt, DL9SM •
Page 31 and 32: PURESIGNAL RESULTS Kurt, DL9SM Herm
Page 33 and 34: PURESIGNAL RESULTS Kurt, DL9SM •
Page 35 and 36: PURESIGNAL RESULTS Clyde, K2UE •
Page 37 and 38: PURESIGNAL RESULTS Helmut, DC6NY
Page 39 and 40: PURESIGNAL What’s Next • Explor
Page 41 and 42: WHO WORKS ON MEMORY EFFECTS ©2014
Page 43 and 44: WHO WORKS ON MEMORY EFFECTS Dr. Vit
Page 45 and 46: ©2014 Warren Pratt, NR0V 45
Page 47 and 48: PURESIGNAL RESULTS Bert, PA2XHF Her
Page 49 and 50: PURESIGNAL RESULTS Bert, PA2XHF Her
Page 55 and 56: PURESIGNAL RESULTS Peter, DK7SP Amp
Page 57 and 58: PURESIGNAL RESULTS Peter, DK7SP Pur
Page 59 and 60: ANAN-100D PURESIGNAL RESULTS Bill,
Page 61 and 62: PURESIGNAL RESULTS Mike, N1JEZ 1 KW
Page 63 and 64: Waterfall Testing, SSB, Class B PUR

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