|[AMRadio] RF Amp|
barrie at centric.net
Tue Dec 5 18:55:45 EST 2006
----- Original Message -----
From: "Rick Brashear" <rickbras at airmail.net>
To: <AMRadio at mailman.qth.net>
Sent: Tuesday, December 05, 2006 3:07 PM
Subject: [AMRadio] RF Amp
> I am thinking about putting a couple of 450TL's in push pull for the low
> bands only.
> * Has anyone here had experience with that configuration?
Yes, I built a pair of 450TH, modulated by a pair of 304TL, several years
ago. The transmitter worked well, even non-hams could hear it for miles,
often without formal receiving apparatus.
> * What would you suggest for a driver?
I used a Collins 32V3 for both RF and audio.
> * Do you think a couple of 250TH's would do to modulate it?
73, Barrie, W7ALW
> It's just in the thinking stage right now, but I have some pretty big
> iron I'd like to make use of and at least one 450TL and one extra 250TH.
> Thanks for any advice...
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