[Elecraft] Re: K1 RIT Mod!!!
Niel and Beth Wiegand
nielwiegand at aggienetwork.com
Tue Mar 8 10:12:46 EST 2005
Thanks for the tip. This worked great for me also. I used 47K 1/4 watt
resistors available at local RS.
73,
Niel
K1 #750
http://www.io.com/~nielw/qrp/QRP_Stn.htm
> Date: Fri, 4 Mar 2005 18:38:52 +0100
> From: "Gerhard Schwanz" <gerhardschwanz at yahoo.de>
> Subject: [Elecraft] K1 RIT Mod!!!
> To: <elecraft at mailman.qth.net>
> Cc: support at elecraft.com
> Message-ID: <000e01c520e1$093006c0$fc7ca8c0 at oemcomputer>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi again,
>
> I just soldered a bit. Changing C7 is not to my satisfaction as it also
> increased the tuning range considerably. So C2 or L1 would have to be
> adjusted too.
>
> After a more thorough search in the web I found out that changing R4 and R5
> on the FPB has the same effect on the RIT range but leaves the tuning (VFO)
> range as is.
>
> I changed the 10k resistors to 56k which gives me about +/- 700Hz RIT.
>
> I wonder why this simple method is not described in the manual... And I
> wonder why the side effect of changing C7 is not mentioned either.
>
> It would be nice to decide the RIT range during build time like the VFO
> range.
>
> Keep on building!
>
> Gerhard Schwanz
> DH3FAW
> mailto:gerhardschwanz at yahoo.de
> http://www.gs-personal.de
>
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