[Amps] SB220 input alignment

R.Measures r at somis.org
Mon May 2 11:46:55 EDT 2005


Bill -- Orig. SB-220 tuned inputs have too low of a Q to produce a low 
SWR with solid-state radios.  To fix this problem, increase Q to 2 or 3 
-- i. e.,  reduce L, increase C-in and C-out, and retune.   This 
subject is covered in an article on my Web site.

On May 2, 2005, at 7:24 AM, W4VD wrote:

> Greetings to all
>
> I have an old SB220 I recently aquired that didn't have a manual, the 
> inputs need to be aligned, is there anyone out there who could scan 
> that page(s) and em-mail them to me?
>
> I would appreciate it
>
> E-mail w4vd at arrl.net
>
> 73
>
> Bill W4VD
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>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org



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