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ExtIO_sddc.dll v1.1 RC1

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@ik1xpv ik1xpv released this 20 Dec 11:28
· 82 commits to master since this release
v1.1
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tag v1.1RC1 Version "V1.1 RC1" date 20/12/2020

  • Supports 128M ADC sampling rate selectable via the dialog GUI ( Justin Peng and Howard Su )
  • Use of libsddc allows development of Linux support and Soapy integration ( Franco Venturi https://github.com/fventuri/libsdd)
  • Tune the LO with a 1Hz step everywhere (Hayati Ayguen https://github.com/hayguen/pffft).
  • Move multi thread r2iq to a multithreaded pipeline model to better leverage multi cores. Remove callback in USB (adcsample) thread to HDSDR to make sure we can reach 128Msps.
  • Continuous tuning LW,MW,HF and VHF.
  • Dialog GUI has samplerates and gains settings for use with other SDR applications than HDSDR.
  • Test harmonic R820T tuning is there (Hayati Ayguen https://github.com/librtlsdr/librtlsdr/tree/development)
  • the gain correction is made via HDSDR -> Options -> Calibration Settings ->S-Meter Calibration.

So far the known issues:

  • The reference frequency correction via HDSDR -> Options -> Calibration Settings ->LO Frequency Calibration doesn't work correctly. This problem will be addressed in the next release.
  • The 128M adc rate is experimental and must be activated manually in the ExtIO dialog GUI. It works with RX888 hardware that have 60 MHz LPF and requires a quite fast PC.
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