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Re: bloody smd bits :P. help someone pls :)



great, thanks for telling me that :P.

looks like i will have to buy another one.

ive emailed tran systems to see if they could sell me one, or tell me what
it is. dont hold out too much hope on that.

thanks for your help anyways :)

Scott Elliott
Scott@Pieh0.co.uk
M1SJE / 2E1FJB
----- Original Message -----
From: "3.1415926535897932384626433832795" <sietetrescincoprimo@hotmail.com>
To: "Scott Elliott" <scott@pieh0.co.uk>; <amsat-bb@AMSAT.Org>
Sent: Sunday, May 12, 2002 9:50 PM
Subject: Re: [amsat-bb] bloody smd bits :P. help someone pls :)


> I looked at the circuit and I doubt that it is a Gali-6 MMIC. The circuit
> using the RF6Z is a transistor amplifier not a MMIC amplifier. It has
> feedback to make it an amplifier with about 50 ohm impedance by looking at
> the feedback resistors. Any transistor with a decent ft should work. DO
NOT
> put a GALI MMIC in it's place because it will not work. You can replace
all
> of the IF circuitry by a GALI, two caps, a resistor and a choke and it
will
> work but the circuit needs to be rewired.
>
> Pieter N4IP
>
>
> ----- Original Message -----
> From: "Scott Elliott" <scott@pieh0.co.uk>
> To: <amsat-bb@AMSAT.Org>
> Sent: Sunday, May 12, 2002 7:14 AM
> Subject: Re: [amsat-bb] bloody smd bits :P. help someone pls :)
>
>
> > thanks for everyones help, but after 4-5 days of searching the net
almost
> > constantly...
> >
> > ive found out what the hell that IF pre amp is.
> >
> > its  micro circuits Gali-6f in a SOT-89 package.
> >
> > not sure on the proper details, but im closer :).
> >
> > i shall let the board know when i find it, and where (hopefully) to get
> it.
> > i think GH engineering do it, just need to check.
> >
> > so with anyluck, anyone with deaf aidc 3731's, can replace them :).
> >
> > at times like this, i could almost kill the net :P
> >
> > thanks for all your help :)
> > Speak to you later.
> > Scott Elliott
> > Scott@pieh0.co.uk
> > 2E1FJB / M1SJE
> > ----- Original Message -----
> > From: "Scott Elliott" <scott@pieh0.co.uk>
> > To: <amsat-bb@AMSAT.Org>
> > Sent: Saturday, May 11, 2002 10:22 PM
> > Subject: [amsat-bb] bloody smd bits :P. help someone pls :)
> >
> >
> > > hi there,
> > >
> > > ive got one of the k5gna transystem aidc 3731 downconverters, and im
> > looking
> > > for the IF pre-amp smd, the chip has RF6Z on top.
> > >
> > > just wondering if anyone knows where to get them from, or knows what i
> can
> > > replace it with.
> > >
> > > it doesnt seem to like 35w of cw going into it.
> > > lucky i wasnt using ssb, im sure that would have blown something else
up
> > :)
> > >
> > > thanks for ANY help on this, ive been looking for the past 3-4 days
and
> > the
> > > net isnt being much help :/
> > >
> > > thanks again  :)
> > >
> > > Speak to you later.
> > > Scott Elliott
> > > Scott@pieh0.co.uk
> > > 2E1FJB / M1SJE
> > >
> > > ----
> > > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
> > ----
> > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >

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