[Lf] [Fwd: LF: Jason on DDS Module]

Andre Kesteloot andre.kesteloot at verizon.net
Fri Aug 2 19:07:19 CDT 2002


A C Talbot wrote:

> I seem to have successfully added a Jason mode to the AD9850/51 DDS Module.
>  It certainly works from compur to computer anyway !   The DDS module is
> put into Jaso mode by grounding PB2.  Then it receives the native Jason
> command words in the range 0 - 16 (decimal) at 9600 Baud and sets the DDS
> frequency appropriately.  The centre frequency used is that stored in teh
> EEPROM from the normal programming.  The Frequency increment (actually 8
> times the increment) also has to be saved in EE prior to Jason operation.
>  The S/W dpes not operate as a beacon transmitter in its own right, just as
> the interface between the PC and frequency source.
>
> I may put out a low power  test transmission sometime this weekend at an RF
> power level in the -40dBW ERP region if anyone is interested, and other
> tasks don't intervene.
>
> Andy  G4JNT







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