6109Re: [softrock40] Use of DDS-60
- Sep 18, 2006I decided to look one more time and found it.
--- ian mcphedran <gm3gtq@...> wrote:
> Hi Tom, I am trying to build a dds-60 using a 230v
> Hexacon SMD soldering iron I bought in the U.K. from a
> supplier of SMD parts who no longer is in business. The
> tip is o.k. for most smd things but the 28 pin analog
> devices chip is too closely spaced for it. Can I ask what
> is the iron you used for your assembly work?
> Ian Gm3GTQ
> km5h <km5h@...> wrote:
> I finally finished a "production" version of a
> Softrock receiver. By
> production, I mean everything in one box with proper
> instead of a bunch of pieces scattered around the bench.
> In the box
> is a SR-6, a DDS-60 and a MS-DDS-60 (Controller).
> I am using a SoundBlaster MP3+ so I can use it with any
> computer with
> USB (especially laptop).
> The Rocky display looks the same with the DDS-60 or the
> crystal. The output of the DDS-60 directly replaces the
> crystal via a
> short piece of small coax.
> One of the nice features of the controller is that it
> displays 7.056
> but actually puts out 28.224 for the SR-6.
> You set the center frequency on the controller. Then
> transfer that
> number (like 7.056) on the display to the appropriate
> field in Rocky
> The DDS-60 goes to 60MHZ so this configuration will work
> to 15 MHZ.
> This includes lots of ham bands, short wave bands, and
> most IF's. Now
> I need to do some work on switching the band pass filter
> for higher
> frequency coverage than the "stock" SR-6.
> Now, if Rocky only supported AM and maybe FM (hint hint).
> There have been several questions lately about the use of
> the DDS60.
> I have found it very successful.
> Tom KM5H
> All new Yahoo! Mail "The new Interface is stunning in
> its simplicity and ease of use." - PC Magazine
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