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Some measurements done by Leif Asbrink SM5BSZ

These tests clearly show how the Airspy compares to some well known SDRs. Enjoy this video!

What is Airspy?

Airspy is an advanced a very advanced software defined radio receiver capable of sampling 10MHz of spectrum anywhere between 24MHz and 1.7GHz – and even beyond with extensions. It is the only high performance wide band receiver solution in the market that’s yet affordable.

Technical specifications:

  • Continuous 24 – 1750 MHz RX range with no gaps
  • 3.5 dB NF between 42 and 1002 MHz
  • Tracking RF filters
  • 35dBm IIP3 RF front end
  • 12bit ADC @ 20 MSPS (80dB Dynamic Range, 64dB SNR, 10.4 ENOB) – Yeah, size does matter.
  • 10MSPS IQ output
  • Experimental 2.5MSPS IQ output for low power devices (Raspberry Pi, Odroid, etc.)
  • Up to 80 MSPS for custom applications
  • Cortex M4F @ up to 204MHz with Multi Core support (dual M0)
  • 1.5 ppm high precision, low phase noise clock
  • 1 RTC clock (for packet time-stamping)
  • External clock input (10 MHz to 100 MHz via MCX connector) – Ideal for phase coherent radios
  • 10 MHz panoramic spectrum view with 9MHz alias/image free
  • IQ or Real, 16bit fixed or 32bit float output streams
  • No IQ imbalance, DC offset or 1/F noise at the center of the spectrum that plagues all the other SDRs
  • Extension ports: 16 x SGPIO
  • 1 x RF Input (SMA)
  • 1 x RF Output (Loopthrough, U-FL)
  • 2 x High Speed ADC inputs (up to 80 MSPS, U-FL)
  • 4.5v software switched Bias-Tee to power LNA’s and up/down-converters
  • No drivers required! 100% Plug-and-play on Windows Vista, Seven, 8 and 8.1

Possible usages:

  • Radio surveillance,
  • Fast scanner,
  • Spectrum Analyzer,
  • Direction Finding,
  • Passive Radars,
  • ADS-B,
  • FM Radio,
  • Analog TV,
  • Digital Terrestrial TV,
  • Ham Radio,
  • Radio Astronomy,
  • Satellite base stations,
  • IF Panoramic adapter

Supported Software:

Planned support:

Supported platforms:

  • Windows Vista, 7, 8 and 8.1 (XP works but it has been deprecated by Microsoft)
  • Linux
  • *BSD
  • OSX

Minimum hardware requirements:

  • 3rd gen Intel i3 2.4 GHz CPU or equivalent
  • 2GB of RAM (to run your own OS, airspy barely needs 1MB of memory)
  • High speed USB 2.0 controller

Developer API:

  • Open source multi-platform libairspy and airspy host tools at github
  • Linux kernel SDR API (by Antti Palosaari) at github