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Re: Downconverter for AO40 ?



I installed a 10 volt low drop out regulator in some of my units. They work
great down to 11 volts using this arrangement. I also changed 3 or 4
resistors to keep the byasing the same on all of the active devices.

Pieter
N4IP

----- Original Message -----
From: "Doug Faunt N6TQS +1-510-655-8604" <faunt@panix.com>
To: <amsat-bb@AMSAT.Org>
Sent: Thursday, June 12, 2003 2:55 PM
Subject: Re: [amsat-bb] Downconverter for AO40 ?


> "Frederick M. Spinner" <fspinner@hotmail.com> writes:
>
> > The Transystems need some sort of 15V or greater power injector, so
> > the "external preamp" power on the 847 doesn't cut it.  There is a
> > standard (high dropout) 7812 internal to the Transystems..
> >
> > Fred W0FMS
> >
>
> Has anyone installed a low-dropout regulator into an AIDC converter?
> It seems to me that would be a good improvement.
>
> 73, doug
> ----
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>
----
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