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#1
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... There's a number of commercial amateur transceivers that have DSP in the audio stages but do any have DSP in the IF before the detector/AGC? 73 Don K6LTS address in QRZ database It can certainly can be done, it's pretty common now for radios to use DSP at up to even a couple of hundred MHz. Whether there are ham txrs with this I'm unsure of. Ken |
#2
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The Icom 746pro and 756proII both use DSP in the IF stage. I use the
756pro and it's a wonderful rig. 73 Ron KN0R wrote in : There's a number of commercial amateur transceivers that have DSP in the audio stages but do any have DSP in the IF before the detector/AGC? 73 Don K6LTS address in QRZ database |
#3
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Harris has been producing the RF-5000 series HF transceivers since about
1990 with DSP IF. Bandwidth can be selected from 340hz to 6khz. AGC, syllabic squelch, AM/SSB modulation and demodulation is also done in DSP. The roofing filter in this series is only 8khz wide and the receiver performance is fantastic! Mike wrote: There's a number of commercial amateur transceivers that have DSP in the audio stages but do any have DSP in the IF before the detector/AGC? 73 Don K6LTS address in QRZ database |
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