hf software receiver as base band fdm demux

1. Analog-
and digital hw
Signal processing-
and operating sw
Equipment
FDM de-multiplexing
Dr. Bertalan Eged, MD
Sagax Communication Ltd., 1096 Budapest, Haller u. 11-13. Hungary
www.sagax.hu
System

2. Outline
• Measurement setup
–
–
–
FDM generator
FM demodulator
FDM de-multiplexer
• Modulated IF spectrum
• De-modulated video spectrum with FM
• De-modulated video spectrum with AM
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3. Measurement setup
IF signal
Video signal
SGR-2500
SID-500
SRM-3100
SRM-3100
FDM generator
FM demodulator
FDM de-multiplexer
CH1-16/32
SRS-3000
Spectrum analyzer/
Panorama receiver
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4. FDM generator control panel
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5. FM demodulator control panel
IF frequency
setup
IF bandwidth
setup
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IF inversion
setup
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6. FDM de-multiplexer
CH frequency
setup
CH output
setup
(*.WAV file)
USB/LSB
setup
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7. FDM de-multiplexer
IF panorama
window
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8. IF spectrum
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9. IF spectrum
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10. IF spectrum
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11. IF spectrum
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12. IF spectrum
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13. Video spectrum (12-60KHz)
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14. Video spectrum (60-108KHz)
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15. Video spectrum (108-156KHz)
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16. Video spectrum (156-204KHz)
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17. Video spectrum (204-252KHz)
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18. FDM multiplexed channels with AM
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19. Video spectrum
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20. Video spectrum
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21. Video spectrum
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22. Video spectrum
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23. Video spectrum
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24. Video spectrum
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25. Video spectrum
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26. Video spectrum
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27. Video spectrum
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28. Video spectrum
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29. Video spectrum
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30. www.sagax.hu
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