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Re: [linrad] Low phase noise LO
- Subject: Re: [linrad] Low phase noise LO
- Date: Mon, 03 Feb 2003 20:55:14 +0900
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:
>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.
>-- Edson, 7n4ncl