when I remove it to tune it do I need to supply power to it? or will that become evident when I get it out.
----- Original Message ----- From: "Ken Arck" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Wednesday, June 02, 2004 2:07 PM Subject: [Repeater-Builder] Re: building a repeater > David. > > If you don't mind I'm taking this back to the mail list, as there may be > others who can benefit from the info, ok? > > The first bandpass filter is located behind the exciter board. If you > carefully remove the board, you'll see a piece of white teflon coax leaving > the board and plugging into a 3 stage filter assembly. The output of this > filter then goes through another piece of teflon coax to the tripler stage. > In other words, forget about the tripler at this point. > > Since the filter in question simply unplugs from everything, I just pulled > it completely out of the chassis and tuned it on the bench, using a > tracking generator and, of course, 3 db pads on the input/output. It is > almost impossible to tune it with it mounting in the chassis anyway. > > Since (as I remember) you don't have a tracking generator, you can use a > low power radio and a wattmeter if you want. Just tune for maximum > throughput and don't worry about using pads. > > Once retuned, drop it back in and you should be set. > > Ken > > > > At 01:55 PM 6/2/2004 -0400, you wrote: > >>>> > followed the directions on the repeater builder webpage regarding tuning > the SECOND bandpass assembly and the circulator but still couldn't get > *any* power out of the PA. What I found I needed to also do was retune the > FIRST bandpass filter assembly - the one between the exciter and the > tripler stages. Once I did that, there was no problem at all in the xmtr > making power. > > okay in layman's terms please I have the exciter tuned up I have the > receiver tuned up but as you said no power. micor is going from 468 to > 443.400 so where in the cabinet is the next stage to tune? is it behind > the metal plate in the middle between the exciter and the power control as > I have that section open but I see no adjustments in there. I believe what > I am looking at is the low level tripler amp. but I see no way to tune it. > > -------------------------------------------------------------------------- ---- > President and CTO - Arcom Communications > Makers of state-of-the-art repeater controllers and accessories. > http://www.ah6le.net/arcom/index.html > AH6LE/R - IRLP Node 3000 > http://www.irlp.net > > > > > > Yahoo! Groups Links > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
