Joe, I bought 4 GE Mastr II 48 mHz exciters off Ebay
back during the summer for $1.25 each and they all
tuned up on the only xtal I had in the six meter band
- 53.4 mHz. They can be a bear to tune, so just be
patient if you come up with one of them to move into
the band.
It took me quite a while to get the first one tuned,
but then I pre-positioned the slugs in the other three
based on the first one and just touched them up with
power on them. All produced 250+ mW with no mods, and
all modulated 5 kHz with a 1 kHz tone and low
distortion.
Good luck -
73 - Jim W5ZIT
--- Joe <[EMAIL PROTECTED]> wrote:
> I think I am coming to the realization that this
> transmitter strip might
> end up on the shelf too. I've been trying to fix
> this for a local club
> and I think I have finally given up. I hate to
> admit defeat, but it
> looks like it is not fixable without major circuit
> modifications. I'm
> going to start looking around my basement for some
> GE MASTRII lowband
> parts. i have a few UHF MASTRII repeater chassis
> around and all I need
> to do is change out the boards.
>
> Back to something that I am familiar with, MASTRII
> stuff.
>
> 73, Joe, K1ike
>
> Chuck Kelsey wrote:
> >
> > Years ago I built a Hamtronics 6-meter exciter.
> Suffered from low and
> > distorted audio too. And it was a bear to keep it
> tuned up. Tuning
> > caps were
> > real touchy. I never did actually use it. It sits
> in a box in the
> > basement.
> > One of those "lessons learned" projects.
> >
> > Chuck
> > WB2EDV
> >
>
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