Do a search on a book locator site for ISBN 0442080093
73, Alek
VK6APK
At 11:35 PM 28/03/2010, Zeitler, Lane LT, FST-1 wrote:
>Jim,
>Was this a book made in the 60's? I have never heard of this. I have a
>half dozen or so of SAI's handbooks and another half dozed by ARRL over
>about 4 decades. This book by Stokes is new to me.
>
>Lane
>Ku7i
>
>-----Original Message-----
>From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
>On Behalf Of Jim Thomson
>Sent: Sunday, March 28, 2010 5:05 AM
>To: amps@contesting.com
>Subject: [Amps] (no subject)
>
>Date: Sat, 27 Mar 2010 19:49:30 -0700
>From: "Bill, W6WRT" <dezrat1242@yahoo.com>
>Subject: Re: [Amps] 'good engineering'
>:
>
>On Sat, 27 Mar 2010 21:35:13 -0400, "Gary Schafer"
><garyschafer@comcast.net> wrote:
>
> >Jim,
> >I think that Bill needs to do a lot of reading. Orr's book is an
>excellent
> >start.
> >
> >In his chapter on amplifiers he specifically spells out what happens to
>the
> >cathode current of a GG amp when no tuned input circuit is employed. He
> >describes how the cathode current follows the coax cable out to the
>exciter
> >and back. If Orr is not believable have a look at some of the Collins
> >material.
> >
> >As to RF passing thru the chassis, again turning to Orr will explain it
>in
> >detail of how RF does not pass thru the chassis metal but thru holes in
>the
> >chassis
>
>REPLY:
>
>So THAT is where all this voodoo comes from!
>
>I wonder what Orr would have thought of the disk experiment we just
>did. Twice.
>
>You are right though, I will have to GET ONE OF HIS BOOKS. Like I
>said, several people have quoted him saying a GG amp is a phase
>inverting amp. I don't doubt the quoters but I would like to read that
>myself.
>
>I'll be back. :-)
>
>73, Bill W6WRT
>
>## Bill, are u saying you don't have an ORR book ?????? I think you
>can still buy
>the latest edition that came out.... before he passed away. It's
>superb.
>Hardcover.. and it's blue. 23rd edition 1987. 5th printing was
>1992 I bought mine in 1994.
>ISBN # 0-672-22424-0
>
>## What other books don't you have ??? We are going to get the
>infamous VO Stokes book
>onto the files section of the ham_amps yahoo reflector, but it will be
>in 2 x PDF's. Now,
>if we could take the stokes book.. and do a spread sheet of his tubing
>coil data, you would
>have the ultimate, bar none, tubing coil winding info. Normal coil
>formulae won't work on tubing
>coils. [that was a hint to Ian] Stokes covers tubing from 1/32" up to
>2" It has cool stuff... like exact
>uh vs tubing diam... for a straight piece of tubing [ no coil].. which
>comes in handy for designing
>hair pins for hf yagi's.
>
>## and yes, the output of a GG amp is 180 deg out of phase with the
>input. The 2 x are in series.
>
>## The stokes book is called.... 'radio transmitter's.... RF power
>amplification' 190 pages
>## Orr's book is 400-600 pages.
>## between those 2 x books alone.. is a huge wealth of info. There is
>stuff in the stokes
>book, that you won't see any where else.
>
>later...... Jim VE7RF
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