[BC] bta-250m

[Milton R. Holladay Jr.]

The 1939 RCA 250D nor the 1950 Gates BC-1F had no problem with whatever a
9100 could throw at them.........
M
----- Original Message ----- 
From: "Phil Alexander" <dynotherm at earthlink.net>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Friday, June 02, 2006 10:22 AM
Subject: Re: [BC] bta-250m


> On 31 May 2006 at 20:37, Barry Mishkind wrote:
>
> > At 10:20 AM 5/31/2006, Phil Alexander wrote
> > >  I suppose the problem eventually became support
> > >availability. The modulation transformer would have been very
> > >much an odd ball.
> >
> >          ...and unable to handle the modern modulation.
> >          Most of the original mod xformers I've seen
> >          in 250Ms were blown (on blocks) or replaced.
>
> Ah, yes. There is that warning in the manual for the AM Optimods.
>
> Those old boxes were not designed for 100% duty cycle at 150%
> square wave. <ggg>
>
> ---------------------------------------------
> Phil Alexander, CSRE, AMD
> Broadcast Engineering Services and Technology
> (a Div. of Advanced Parts Corporation)
> Ph. (317) 335-2065   FAX (317) 335-9037