![Page 1: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/1.jpg)
1
SWISS AMATEUR TELEPRINTER GROUP
Software Defined RadiosThe Future Is Now…
SWISS AMATEUR TELEPRINTER GROUP
Dominik Bugmann, [email protected]. Februar 2008
![Page 2: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/2.jpg)
2
Warum SDR ?
• Packet Radio über die letzten 20+ Jahre• Keine Anwendungen, geringe Innovation
• SDR ist auch für die Industrie neu• Neue Gruppe von Amateuren
• Wie kann die SWISS-ARTG helfen ?• Publikum in HB adressieren• Know-how Transfer (English – Deutsch)• Rasantes Entwicklungstempo
![Page 3: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/3.jpg)
3
Software Defined vs. Controlled
• Controlled• PC kontrolliert den Transceiver
• Defined• 100% der Modulation, Demodulation und Steuerung
![Page 4: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/4.jpg)
4
Philosophie: Viel Software & wenig Hardware
• Laufende Verbesserungen – Wird immer besser!
• Leistungsfähigkeit in analog nicht möglich
• Weniger analog –> mehr linear
• TRX für jeden Mode / Betriebsstil
• Open Source GPL – Viele Mitwirkende
![Page 5: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/5.jpg)
5
Warum Open Source?
• Grosse Mitarbeiter-Basis
• Schnellere Erweiterungen
• Viele Augen – Besserer Code
• Nicht Herstellerabhängig
• Amateur – For the Love of…
• Alle gewinnen
![Page 6: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/6.jpg)
6
PC vs. Embedded DSP Chips
• PCs werden kaum obsolet
• Totale Bildschirm Flexibilität
• Übertreffen DSP Chips
• PCs Upgradeable
• Click Tuning
![Page 7: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/7.jpg)
7
SWISS AMATEUR TELEPRINTER GROUP
Gib mir I & Q
Und ich kann die Welt demodulieren
![Page 8: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/8.jpg)
8
Quadrature Sampling Architektur
ss ffBW ==
2*2
Quadrature Sampling Doubles Bandwidth
![Page 9: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/9.jpg)
9
Quadrature Signal Vector
QIM ttt
22 += ⎟⎟
⎠
⎞
⎜⎜
⎝
⎛= −
IQ
t
tt tan 1φ
All Modes
AM: PM:
![Page 10: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/10.jpg)
10
CW und SSB Demodulation
• CW Signal bei 14.101 MHz mit 1 kHz Tone
• Gewünschtes Signal:• 14.101 MHz – 14.100 MHz = 1 kHz
• Weiteres Signal:• 14.099 MHz – 14.100 MHz = -1 kHz
LO
![Page 11: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/11.jpg)
11
Block Diagramm: SSB Demodulator
Hilbert Transformation
![Page 12: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/12.jpg)
12
I und Q bei 14.101 MHz
USB: I leads Q (Wanted Signal)
-6.00
-5.00
-4.00
-3.00
-2.00
-1.00
0.00
1.00
2.00
0 360 720 1080 1440 1800
I
Q
![Page 13: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/13.jpg)
13
I und Q+90º bei 14.101 MHz
USB: I + Q+90
-6.00
-5.00
-4.00
-3.00
-2.00
-1.00
0.00
1.00
2.00
0 360 720 1080 1440 1800
I
Q
![Page 14: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/14.jpg)
14
I und Q+90º bei 14.101 MHz
USB: I + Q+90
-2.00
-1.50
-1.00
-0.50
0.00
0.50
1.00
1.50
2.00
0 360 720 1080 1440 1800 I+Q
![Page 15: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/15.jpg)
15
Block Diagramm: SSB Demodulator
Hilbert Transformation
![Page 16: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/16.jpg)
16
I und Q bei 14.099 MHz
LSB: I lags Q (Unwanted Signal)
-6.00
-5.00
-4.00
-3.00
-2.00
-1.00
0.00
1.00
2.00
0 360 720 1080 1440 1800
I
Q
![Page 17: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/17.jpg)
17
I und Q+90º bei 14.099 MHz
LSB: I - Q+90
-6.00
-5.00
-4.00
-3.00
-2.00
-1.00
0.00
1.00
2.00
0 360 720 1080 1440 1800
I
Q
![Page 18: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/18.jpg)
18
I und Q+90º bei 14.099 MHz
LSB: I - Q+90
-2.000-1.500-1.000
-0.500
0.000
0.5001.000
1.500
2.000
0 360 720 1080 1440 1800 I-Q
![Page 19: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/19.jpg)
19
SWISS AMATEUR TELEPRINTER GROUP
Ich kann Dich sehen!
„Radio sehen“
![Page 20: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/20.jpg)
20
Hochauflösender Panadapter in Echtzeit
![Page 21: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/21.jpg)
21
SWISS AMATEUR TELEPRINTER GROUP
SDR wiederbelebt unser Hobby…
![Page 22: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/22.jpg)
22
SDR: Beispiele• W7PUA’s DSP-10 is a superb example of SDR
• Based on embedded DSP• Open Source• See QST 9/99 – 11/99 or EMRFD• http://www.proaxis.com/~boblark/dsp10.htm
• Flex Radio’s SDR-1000 is first commercial Amateur SDR• Flex makes proprietary hardware
• K5SDR Introduced QSD/QSE• QEX July 2002 1st of 4 Part Article
• Community writes application code• Originally by Flex• Flex now only writes GUI and Drivers
• $1500• http://www.flex-radio.com/
![Page 23: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/23.jpg)
23
SDR: More Examples
• Tony Park’s Softrock Series• QSD for Rx, QSE for Tx• $20 for Rx (1 or 2 band)• $40 for Tx/Rx (1W, 1 or 2 band)• http://groups.yahoo.com/group/softrock40/
• Hendricks QRP Kits• Firefly Xcvr
• QSD Rx• Tx not SDR
• $65 (1 band, CW)• http://www.qrpkits.com/firefly.html
![Page 24: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/24.jpg)
24
Panadapter für den Elecraft K2
• http://dj9cs.raisdorf.net/K2-Panorama.html
![Page 25: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/25.jpg)
25
HPSDR (http://hpsdr.org)
• Standalone SDR• Kein PC benötigt
• Kontrolle des SDR-1000
• Ueberlegene Soundkarten-Qualität• Delta 44, Presonus
• Spectrum Analyzer (cf. SDR-14)
• USB Interface
• mehrere Plug-In Module
![Page 26: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/26.jpg)
26
Mercury – That Dude is Fast!• 16-bit ADC Running at 130 MHz!
• Linear Technology LTC2208 ADC• Sample entire HF Spectrum in Real Time
• Cyclone II FPGA• Digital Down Converter
• Typical Bandwidth Reduction to 200 kHz• User Defined Features
• USB• On-board FX2
• Prototype measures:• Max Input Signal +9 dBm• MDS (500 Hz BW) -120 dBm
• Designers: N8VB and VK6APH
![Page 27: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/27.jpg)
27
Penelope – Digital Xmtr
• 16-bit DAC Running at 130 MHz!• Analog Devices AD9744• 1.8 – 54 MHz for Amateur Use
• Cyclone II FPGA• Digital Up Converter• All Modes
• USB• Via OZY
• Prototype measures:• 0.5W to 1W Output
• Designers: N8VB, VK6APH w/help from KK7P
![Page 28: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/28.jpg)
28
QS1R (von N8VB)
• Open Source Direct Digital Conversion (DDC) receiver
• 15 kHz …55 MHz
• USB 2.0 Interface
• 800 USD
![Page 29: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/29.jpg)
29
Der allerletzte Schrei: CW Skimmer
• http://www.dxatlas.com/CwSkimmer/
![Page 30: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/30.jpg)
30
SWISS AMATEUR TELEPRINTER GROUP
Wo gibt’s mehr Informationen?
![Page 31: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/31.jpg)
31
A Software Defined Radio For The Masses: Parts 1, 2, 3, & 4
By Gerald Youngblood, K5SDR (formerly AC5OG)Reprints may be found at www.flex-radio.com
![Page 32: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/32.jpg)
32
Weitere Informationen?
• www.swiss-artg.ch/sdr• Softrock• SDR-1000• HPSDR
• Diskussionsliste zum SDR-1000: • http://mail.flex-radio.biz/pipermail/flexradio_flex-radio.biz/
• Diskussionsliste zu HPSDR:• http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/
• Diskussionsliste zum QS1R:• http://groups.yahoo.com/group/qs1r/• http://qs1r.com
![Page 33: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/33.jpg)
33
SWISS AMATEUR TELEPRINTER GROUP
Fragen ?
![Page 34: Software Defined Radios The Future Is Now…• Designers: N8VB and VK6APH. 27 Penelope – Digital Xmtr • 16-bit DAC Running at 130 MHz! • Analog Devices AD9744 • 1.8 – 54](https://reader030.vdocuments.us/reader030/viewer/2022040515/5e6f9dab1ee6a3634340fd03/html5/thumbnails/34.jpg)
34
SWISS AMATEUR TELEPRINTER GROUP