Re: [linrad] Low phase noise LO

[jr1ede@xxxxxxxxxxxxxxxx>]

Hi Edson,

You doesn't say of the band in use. Give us more detail please.

I doubt a home-made DDS will do the job.
No one can beat Xtal OSC!

Kohjin - JR1EDE

PS: almost Debian works have finished but not yet ready for eyeball qso, sorry.

At 18:55 03/02/03 +0900, you wrote:
>
>Greetings!
>
>I am thinking about building a simple direct coversion IQ receiver and am
>pondering what would be a good local oscilator to use. I will either use a
>diode ring mixer or a Tayloe-like mixer. In both cases, from what I have
>read,the local oscilator should have low phase noise. A DDS would be
>convenient, but it seems that the phase noise is poor. Does any one have
>any suggestions? Would an AD9852 or AD9854 DDS be satizfactory? I don't
>what to make the circuit too complex.
>
>73,
>
>-- Edson, 7n4ncl




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