Help with SB-301
Mark Graalman WB8JKR
wb8jkr at JUNO.COM
Sun Jan 7 15:43:07 EST 2001
Hi Ken,
The diodes I used are HP2800 series, I bought a bunch
from Dans Small parts some time ago, I think he still carries
them. http://www.fix.net/dans.html
I also noticed the the freq response was noticebly
different when witching sidebands, I put a 100 pf mica
in series with the LSB crystal to ground and it raised
the LSB BFO freq just enough so the audio response
is now the same as it is on USB.
Mark WB8JKR
On Sun, 07 Jan 2001 09:04:24 -0600 Ken Ketner
<ketner at arisbeassociates.com> writes:
> Mark, I have a SB 301 coming in, so will probably be working on one
> soon. I was grateful for your post about fixing the agc. Do you
> happen
> to have some numbers for those shottskys you used for D3 D4? Would
> probably be a good upgrade for mine even if it turns out to be
> working.
> --
>
> Ken Ketner
> ARS KA5ELD
> Personal Webpage: http://www.wyttynys.net
> Office Webpage: http://www.pragmaticism.net
> Email:
> home: ketner at arisbeassociates.com
> office: b9oky at ttacs.ttu.edu
>
> US MAIL
> PO Box 65135
> Lubbock, TX 79464
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