ml> [DSP-10] PLL problems

[DSP-10] PLL problems

Jimmy Oldaker W7CQ dsp-10@mailman.qth.net
Sun, 04 Jan 2004 16:19:06 -0800


>To begin this new year with a good news, my kit is complete. The adjustment
>procedure has just started and I have some trouble with U104. The locking=
=20
>range
>is around 113 MHz (FREQ sent with UHFA.EXE) with L102 at middle, far away=
 from
>the 126 MHz. I assume to have all the last mods since I review the web site
>with the kit I purchased one year ago.
>The second PLL is running around 16 MHz (unlocked) so it seems to have the=
=20
>same
>desease :)
>My guess is that the 10 MHz Xtal is not at 10 MHz but I haven't done an
>accurate measurement because of the lack of a counter. I'll try tomorrow to=
 do
>this. Anyhow, if someone had already seen this problem, any hint is welcome
>
>--
>73 G=E9rard F6FGZ

Gerard

Download my     DSP-10 initail testing.pdf     34K file from my web page

http://home.teleport.com/~oldaker/dsp10_repository.htm

It has lots of good ideas for setting the PLL and other setup procedures=20
for the TA{R kits

This might help!

73's  -  Jimmy  -  W7CQ -  CN83jx

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