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OpenHPSDR

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The HPSDR (High Performance Software Defined Radio) project dates from 2005 when Phil Covington, Phil Harman, and Bill Tracey combined their separate projects to form the HPSDR group.[1]

The project uses a 16-bit 135MSPS analog-to-digital converter that provides performance over the range 0 to 55 MHz comparable to that of a conventional analogue HF radio. The receiver will also operate in the VHF and UHF range using either mixer image or alias responses. Interface to a PC is provided by a USB 2.0 interface. The project is modular and comprises a backplane onto which other boards plug in. This allows experimentation with new techniques and devices without the need to replace the entire set of boards. An exciter provides 1/2W of RF over the same range or into the VHF and UHF range using image or alias outputs.[citation needed]

The HPSDR project is open-source for both hardware and software. A Wiki provides frequent updates as to project progress. [2]

The HPSDR hardware uses a high speed analogue to digital converter for direct conversion of the received or transmitted signal.[3] The signal information (now in digital format) is processed by a computer to recover the desired information (voice, morse code, teletype, etc.).

See also

References

  1. ^ Covington, Philip. "History of HPSDR Mercury and Quick Silver". Archived from the original on 2009-04-1. {{cite web}}: Check date values in: |archivedate= (help)
  2. ^ Covington, Phil. "High Performance Software Defined Radio". Archived from the original on 2009-03-31. {{cite web}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  3. ^ Steve, Ireland (December 2008). "Software Defined Radio, Looking into state-of-the-art SDR hardware". RadCom. 84 (12): 48–49. Retrieved 2009-04-03. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
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