[TenTec] Changing 1208 transverter to 10M IF?
Dr. Gerald N. Johnson
geraldj at storm.weather.net
Mon Jun 15 08:27:04 PDT 2009
On Mon, 2009-06-15 at 07:27 -0600, David Feldman wrote:
> Are there any issues to be aware of in changing the 1208 transverter to 10M
> IF other than substituting crystal to 22 MHz and changing tuned elements in
> the IF chain?
Yes, getting rid of the harmonics of 22 and 28 at 44 and 56 MHz at the
transverter output. That's why TenTec didn't sell a 28 to 50 they made
it 14 to 50 to move the harmonics further away from 50. Or have lower
order harmonics to filter.
73, Jerry, K0CQ
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