[hpsdr] Mercury SSB Phase Noise Testing

[Phil Harman]

Hi Marco,

Looking at your figures I would suspect that Mercury was using the Kordic
rather than the Cordic Verilog code.

For some reason this seems to have crept into the latest releases of Mercury.

I'll check it out.

73's Phil...VK6APH



> ***** High Performance Software Defined Radio Discussion List *****
>
> At 21.34 26/10/2009, you wrote:
>>***** High Performance Software Defined Radio Discussion List *****
>>
>>I am setting up a HP 10544A Crystal Oscillator at 10 MHz, the specs on
>>it are -115dBc/Hz at 10 Hz offset (max) and -130 dBc/Hz at 10 KHz
>>offset (max). That should work better?
>>
>>Ron, W9KFB
>>Indianapolis
>
> Ron, see my data in http://www.spinelectronics.eu/ftp/HPSDR_PN.pdf -
> you need -150 dBc at 10 kHz.
> The HP 10811A worst case specs are far from the typical data; the
> 10544A should be similar to the 10811A, but I don't have the data on hand.
>
> 73 - Marco IK1ODO
>
>
> _______________________________________________
> HPSDR Discussion List
> To post msg: hpsdr at openhpsdr.org
> Subscription help:
> http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org
> HPSDR web page: http://openhpsdr.org
> Archives: http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/
>
>



 1256609076.0