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Using DVB-T sticks as Wideband SDR Receivers

Using DVB-T sticks as Wideband SDR Receivers. Phil Crump M0DNY. Architecture. I smell very cheap poor man's software radio here :) – Antti Palosaari. E4000 Tuner. 50-2200MHz Gap at 1100-1250MHz Tunable CMOS Bandpass filter Zero-IF I/Q output. RTL2832 ADC. DVB-T Demodulator

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Using DVB-T sticks as Wideband SDR Receivers

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  1. Using DVB-T sticksas Wideband SDR Receivers Phil Crump M0DNY

  2. Architecture I smell very cheap poor man's software radio here :) – AnttiPalosaari

  3. E4000 Tuner • 50-2200MHz Gap at 1100-1250MHz • Tunable CMOS Bandpass filter • Zero-IF I/Q output

  4. RTL2832 ADC • DVB-T Demodulator • Also contains 8-bit ADC at up to 3.2Msps • Designed for WFM, DAB. • Est. 48dB Dynamic Range

  5. Vs Funcube Dongle Funcube Dongle Pro RTL-SDR TV Dongle

  6. Vs Funcube Dongle (Specs)

  7. Potential Uses • Anything the FCD can do • WFM, NFM, SSB, TETRA, ... • Wider Bandwidth stuff • ADS-B, GSM, LTE, GPS, ... • Yes, even GPS!

  8. Software • Windows • Zadig for drivers • SDR # (SDR Sharp) • Linux • GNU Radio • gqrx • QT Radio

  9. Demo Time to see how good a Faraday cage this place is..

  10. VHF NFD (2m SSB Band)

  11. E4000 Frontend Filter

  12. Add-ons • HF Upconverters • Push HF up to ~100MHz • LNAs • With bandpass Filters

  13. Useful Tips • ESD Diode often not installed. • BAV99 is a suitable replacement. • Crystal Temperature • Keep it out of the wind! • USB Extension cable

  14. Availability • eBay: ~£20 • Alternative Tuner Chips: • FC0012/FC0013 • FC2580 • Beware scam sites.

  15. More Information • http://sdr.osmocom.org/trac/wiki/rtl-sdr • http://www.reddit.com/r/rtlsdr • ##rtlsdr on irc.freenode.net • Slides and references will be available at: https://www.thecraag.com/RTL-SDR

  16. Questions?

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