[BC] BE FM-35A

[Glen Kippel]

On Mon, Sep 8, 2008 at 11:10 AM, Cowboy <curt at spam-o-matic.net> wrote:

> On Monday 08 September 2008 12:45 pm, Jim Offerdahl wrote:
> >  We are looking at purchasing a used 1986 vitage BE FM-35A transmitter.
>
>  An A series ?
>  Run away, run away.........
>
>  As I recall, the logic in there is RTL, which hasn't been produced
>  by anyone for years.
>  Sometimes, you can swap chips around to get it back on the air,
>  ( spent the better part of a cold night on Cheyenne Mountain )
>  but sometimes not, and then you're pretty much done.
>  There are no replacements, unless you buy another A for parts.
>
> -----------


I once had to keep up an automation brain that used RTL.  I found that these
could be replaced with TTL chips with no problem.  It's a handy hint that I
thought I'd pass along in case anyone else here has to deal with obsolete
equipment.