Sagax fdm demux

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Bertalan EGED

hf software receiver as base band fdm demux

Technology Business

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

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

www.sagax.hu

2

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

www.sagax.hu

3

FDM generator control panel

www.sagax.hu

4

FM demodulator control panel
IF frequency
setup

IF bandwidth
setup

www.sagax.hu

IF inversion
setup

5

FDM de-multiplexer
CH frequency
setup

CH output
setup
(*.WAV file)

USB/LSB
setup

www.sagax.hu

6

FDM de-multiplexer
IF panorama
window

www.sagax.hu

7

Video spectrum (12-60KHz)

www.sagax.hu

13

Video spectrum (60-108KHz)

www.sagax.hu

14

Video spectrum (108-156KHz)

www.sagax.hu

15

Video spectrum (156-204KHz)

www.sagax.hu

16

Video spectrum (204-252KHz)

www.sagax.hu

17

FDM multiplexed channels with AM

www.sagax.hu

18

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Sagax 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 www.sagax.hu 2

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 www.sagax.hu 3

4. FDM generator control panel www.sagax.hu 4

5. FM demodulator control panel IF frequency setup IF bandwidth setup www.sagax.hu IF inversion setup 5

6. FDM de-multiplexer CH frequency setup CH output setup (*.WAV file) USB/LSB setup www.sagax.hu 6

7. FDM de-multiplexer IF panorama window www.sagax.hu 7

8. IF spectrum www.sagax.hu 8

9. IF spectrum www.sagax.hu 9

10. IF spectrum www.sagax.hu 10

11. IF spectrum www.sagax.hu 11

12. IF spectrum www.sagax.hu 12

13. Video spectrum (12-60KHz) www.sagax.hu 13

14. Video spectrum (60-108KHz) www.sagax.hu 14

15. Video spectrum (108-156KHz) www.sagax.hu 15