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[linrad] Re: softrock40



73's
N4HY



leif@xxxxxxxxxx wrote:

Hi All,

Has anyone seen the design or tries the softrock40 with linrad?
http://www.amqrp.org/kits/softrock40/index.html

This is new to me:-)

Does anyone know how frequency agile these chips are if you supply your
own frequency source?
I think it depends on the transformer. It should be easy to make the
transformer work from 1.8 to 30 MHz but maybe the frequency divider will have difficulties to divide 120MHz by two. I do not quite remember
how high the 74HC74 works.

Just curious if this might be a good basic starting point for hardware to
use with Linrad.
Yes, it seems so to me.
Also any suggestions on if the bandwidth could be increased for use with a
Delta 44.
The bandwidth is already adapted to a Delta44 as far as I understand:-)

73

Leif / SM5BSZ




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