SB-300/301 regulation mod details

[James True N5ARW]

Marks mods have been posed (with his permission) on

http://www.boatanchor.com

It is a 350Kb PDF file.  Click on the link to view it, or right
click and select the save option from your browser to download
the file.

73
James True N5ARW
in beautiful Hot Springs National Park, AR

On Sat, 29 May 2004 10:59:55 -0400, Mark Graalman WB8JKR wrote:

>  I finally sat down and outlined the simple procedure
>for providing regulated B+ voltage to the HFO and LMO
>in the Heath SB-300/301 receiver.
> This will completely solve the frequency shift problem
>from RX to TX when the receiver is used in the
>transceive mode with the SB-400/401 transmitter
>on the 15 and 10 meter bands.
> Anyone who is interested in the modification details
>just send me an E mail and I'll send you the .ZIP file.
>
>73, Mark  WB8JKR

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