[Lowfer] Lowfer Final Transistors.
Paul Daulton
k5wms at centurytel.net
Sun Aug 1 10:46:38 EDT 2010
Lee have you seen the nice article on manhattan lowfer tx at
http://members.shaw.ca/ve7sl/lowfer.html
Might be good reference to what you are doing.
Say HI to Bill I have tried to get him on here but he is reluctant to
join. I had hoped he would see reports on WEB. He is one of my favorite
people.
73 Paul k5wms
Quoting LEE BAHR <pulsarxp at embarqmail.com>:
> I am in the process of trying to build up a transmitter for my Lowfer Beacon
> I plan to get on the air this Fall. I see that most of the examples on the
> internet use a pp scheme with a PN2222A and PN2907A transistors. In really
> days of old the ancients used IRF single Hexfets. The present day articles
> say, use PN2222A and PN2907A because they are cheap, but...... a
> NTE-129/NTE -128 combo might produce slightly better results. Well, NTE
> transistors today are not all that popular and readably available as in the
> past. (I realize they still are available). All the present internet
> articles were written a few years ago. There must be some really modern
> transistors available today that would make good replacements for the "in
> every ditch PN2222A/PN2907A" units with generic numbers.
>
> I'd like to know what others are using today besides the PN2222A/PN2907
> combo that might be as good as the NTE transistors in TO-39 cases.
>
> I'd appreciate any comments.
>
> Lee, w0vt
> Texas
>
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
Paul Daulton K5WMS
beacon WMS 185.302 khz qrss30/slow 24/7
Jacksonville,Ar 72076
em34wu
More information about the Lowfer
mailing list