On Mon, 25 Jul 2005 [EMAIL PROTECTED] wrote:
> Here is one for you guru's and BMOC problem solvers. Must admit there
> are a lot of good ones in this group. A 2 meter repeater 15 miles away
> using a Mastr2 PLL exciter emits a carrier drop pulse of about 500 ms in
> duration on a frequency 225 khz down from the repeaters xmit freq.
> Unfortunately this pulse is on the output of another repeater I
> continuously monitor. The repeater trustee is very knowledgeable and
> cooperative and is attempting to solve this problem. He did say the PLL
> is not quite 5 volts but otherwise seems to work well. The drop pulse on
> COR is definitely coming from the exciter and can be observed on a SA
> with PA installed and removed. It was replaced with another exciter and
> the second exciter is doing exactly the same thing. Gary K2UQ
Check to see if you aren't feeding a voltage somewhere into the exciter;
it's possible that a voltage or bias on the audio inputs could be pushing
it off frequency. Bring out the box of capacitors and see what you can
come up with.
--
Kris Kirby <[EMAIL PROTECTED]>
"BIG BROTHER IS WATCHING YOU!"
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