[R-390] Tubes

[John L.]

Get an old copy of an  ARRL "Radio Amateurs Handbook" from the 50s. Thats
one of the best resources there is / was - then and now. They are easy to
find too. Be careful though - you might wing up starting a collection.

Helmut Usbeck wrote:

> >
> >I wonder if there is a book that will teach me enough about tubes
> >to
> >understand them a little better. I have recently been buying tubes
> >on line and some of the descriptions are too much for me to
> >understand.
> That's an easy question, but could be hard to answer.   Old
> electronic text books are good.  Looking around my book shelve over
> here I'd say an easy start would be something like the RCA receiving
> tube manual, any of the various editions , reprints are available.
> The first 60 or so pages are on tube basics.  It is also presumed
> that you've got some electron theory under your belt.  It does make
> for a better understanding.  After that the skies the limit on book
> learning.  Radiotron Handbook is excellent.  I'd stay away from from
> 90% of web sources.  Most of what I read makes me blanch.  That's one
> curse of the web...too easy to communicate knowledge, including
> garbage, which often comes out the other end as gospel.
> One thing I do know is you can never learn enough about electronics
> and it can be enjoyable.
> Regards,
> Helm.
>
> >Such as " getters" and stuff like that. There are several different
> >styles
> >of 5814a's. One auction has 3 different types in it.
> >I'm sure there is something in the on line manual but... I am using
> >a
> >dial up modem and can't keep the phone tied up for a long period of
> >time.
> >I also want the book as a reference to use as I have this box of
> >almost
> >150 tubes and want to throw out the TV tubes if there are any.
> >
> >Thanks, Scott
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