Depending on the year built, the real source of
problems in the UHF Mitrek and MSR 100/110 watt
pa is the harmonic filter.
The power divider and pa modules will fail after
the harmonic filter fails.
skipp
> <[EMAIL PROTECTED]> wrote:
> Jeff,
>
> The PA in the high power UHF Mitreks won't last very long in high
duty cycle repeater service. The power dividers are a weak spot in the
PA design.
>
> The best Mitreks to use are the ones without power dividers. The T34
30W model is ideal as it can be run at 18-20W and don't require any
additional cooling.
>
> The 50W T44 Mitreks run fine with additional forced air cooling at
30W. I use a 12V 24CFM blower and a duct with a fan controller.
>
> Steve
> WA6ZFT
>
>
>
>
>
>
> >
> > From: "Jeff" <[EMAIL PROTECTED]>
> > Date: 2005/07/22 Fri PM 05:14:46 EDT
> > To: Repeater-Builder@yahoogroups.com
> > Subject: [Repeater-Builder] WTB MITREK (UPPER UHF) T-64 or T-74
> >
> > I need three high power Mitrek UHF radios to convert to repeater use.
> >
> > Jeff
> >
> >
> >
> >
> >
> >
> >
> >
> > 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/
