What power levels have you seen the drift issue at? I'm not going to run more
than 30W into these units.
On Thursday 05 May 2005 19:22, skipp025 wrote:
> You will notice the MA UHF Isolators drift
> with heat a lot more than largers current
> dual port products.
>
> Instrument tuning is not the best option,
> except maybe to get it in the ball park.
> They are tuned just like dual port telewave
> types. Never trusting one specific method,
> I use both the typical under-power tune
> method along with a tracking spectral
> display.
>
> One bad part about the MA units... you have
> to make a call about the tuning, tune them
> cold (at room temp) or tune them warm, depends
> on the duty cycle of the transmitter. They
> change value a lot more quickly than most
> or all of the other brand circulators and
> isolators I have/own/use.
>
> The Decibel Products instructions are floating
> around on the web...
>
> cheers,
> skipp
>
> > Steve Rodgers <[EMAIL PROTECTED]> wrote:
> > Does anyone have a tuning procedure they
> > could share for the Microwave
> > Associates 7R011T dual-stage UHF Isolator?
> > I have 2 of these tuned on 454 and
> > 462MHz. I've never attempted to tune
> > isolators so any tips would be useful.
> > Can these be tuned with a tracking
> > generator/spectrum analyzer?
> >
> > Steve
> > WA6ZFT
>
> Yahoo! Groups Links
>
>
>
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