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Re: Smith's book. free download
In many cases, a PDF copy of a book is as good, or maybe better, than a hard copy. In
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the case of Phillip Smith's book, I would urge you to obtain a hard copy of the book, if the opportunity occurs, even if you have a PDF copy. An envelope on the inside back cover of the book contains four transparencies (overlay charts) that are designed to be written on with a pencil and then erased for further use: Chart A - Standard SMITH CHART with normalized series-impedance or shunt- admittance coordinates. Chart B - SMITH CHART with normalized parallel-impedance or series-admittance coordinates. Chart C - SMITH CHART with normalized negative series-resistance or shunt- conductance coordinate components. Chart D - CARTER CHART with polar-impedance coordinates. 73, Maynard W6PAP On Saturday, August 06, 2022 01:10:14 AM Chris Gardner via groups.io wrote:
Bryan, Thank you much for providing the opportunity to access this |
Re: Smith's book. free download
On 8/5/22 5:14 PM, Donald Hellen wrote:
Is this the book?It was published after 1927, so most likely, it is still under copyright. |
Re: Smith's book. free download
Bryan, Thank you much for providing the opportunity to access this magnificent publication.?73 kd2wot / Chris
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On Friday, August 5, 2022 at 08:39:40 PM EDT, Bryan Steinberg <bryan@...> wrote:
Here's a link to the document: 73, Bryan, KB?A |
is this the book?
My copy has 253 pages. My guess is that that is the real thing.
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Chuck KF8TI On Aug 5, 2022, at 8:14 PM, Donald Hellen <donhellen@...> wrote: |
Re: Smith's book. free download
Is this the book?
You have to go through the process on that website, then let it compress the book before you download it. I have no idea if it's in the public domain at this point or not, or if copyright still applies, so download at your own risk. I clicked the first download button and not the download original button. The book is still sold as an e-book: If it is out of copyright protection, it wouldn't be the first time a book in the public domain was for sale. Donald KX8K |
Re: At which point do we take the value of impedance to tune an antenna?
On Fri, Aug 5, 2022 at 09:49 AM, MICHAEL BELL wrote:
Mike, You are correct. I made an updated post yesterday. Unfortunately the group owner has disabled post editing so I was unable to change the original post. /g/nanovna-users/message/29143 Roger |
Re: New owner of nanovna-H and H4, However pondering the next step in precision
for what you pay all the nano vna vna2 (and clones brothers sisters) are superb ...
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he asked for a higher price range (but not 20k bucks) something better as the v2 ... but not toooo expensive and there the kc901 begins to shine .... much higher dynamic and accuracy but still portable .. more functions .. etc etc not a used boatanchor with questionable results but new ... and exactly in his price range climb a tower with a hp?? no way! ... do the same with a 901?? yes that does work well :-) dg9bfc sigi Am 04.08.2022 um 18:37 schrieb W0LEV: Don't downplay the accuracy of the NANOVNAs. I have compared several |
Re: New owner of nanovna-H and H4, However pondering the next step in precision
provided with the nanovna is not rpsma caps .. its an open .. a short and a load (not the best one but usable)
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dg9bfc sigi Am 04.08.2022 um 18:39 schrieb 0root via groups.io: Siegfried Jackstien - Thanks for the recommendation, I will research these. |
Re: Smith's book. free download
thank you
On Fri, Aug 5, 2022 at 1:38 PM Larry McElhiney via groups.io <lmcelhiney= [email protected]> wrote: Free PDF download here: |
Re: NanaVNA H4 battery indicator shows full but unit powers off after a minute
Cliff
Scott,
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This may not help, but try leaving it charging overnight and see if that helps. It could be just the battery went bad. 73, Cliff, AE5ZA On Aug 5, 2022, at 15:10, Scott Ginsburg <k1oa@...> wrote: |
NanaVNA H4 battery indicator shows full but unit powers off after a minute
My battery indicator icon shows a full charge but the unit turns off after about a minute.
I charged it for about 5 minutes, unplugged the USB cable and it stayed on for about the same amount of time then turned off again, acting as if it needed a charge. I have seen the indicator show a partial charge in the past. I haven't used it in a few months, don't recall how much charge was on it when it was last used. Is this a known issue? tnx and 73, Scott |
Re: Smith's book. free download
Here are the ISBN numbers for his book:
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ISBN: 1-884932-39-8? ISBN 13: 978-1-8849-3239-7 You may be able to find an electronic copy by searching the ISBN numbers. ?I hope that helps. Sincerely, Everett McArthur KE5QVC On Fri, 2022-08-05 at 19:39 +0000, W0LEV wrote:
Thank's, Jim (Lux)!? I'm an old fart (75) and still much prefer a |
Re: upgrade old version NanoVNA H vers 3.4
Hi, I know the config DFU setting, but with my HW modification it is even faster to enter DFU mode - switch off, press the jog, switch on, release the jog - this helps me when I test my own FW modifications - and more important this works also when something goes wrong and the device doesn't respond anymore (luckily you cannot brick the NanoVNA, because the bootloader is built in HW and cannot be damaged).
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Re: Smith's book. free download
On 8/5/22 12:39 PM, W0LEV wrote:
Thank's, Jim (Lux)! I'm an old fart (75) and still much prefer a printedI'm not sure it would really be worth it - there are lots of later books which might have a better tutorial. So you'd be possessing it for its historical significance - for which the $400 might be reasonable. Amazon will sell you a copy for $90, hardcover, as an import from 1969. Abebooks will sell you various copies for more. They've got a first edition, fifth printing for $854 I used to use Bowick's RF Circuit Design which I see on Amazon is about $42 for the 2nd edition. Something like that might be a better choice for someone starting out. |
Re: Smith's book. free download
Thank's, Jim (Lux)! I'm an old fart (75) and still much prefer a printed
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copy. With ARRL so non-technical these days, I seriously doubt we could convince them to, once again, carry the reprints? At the time, $400 was all I had in my pocket in travel money from my employer. He knew what he had!!! I'll never forget that meeting. I can still review it in my mind's eyes...... Dave - W?LEV On Fri, Aug 5, 2022 at 7:34 PM Jim Lux <jimlux@...> wrote:
On 8/5/22 11:38 AM, Charles Young wrote:--Smith Chart lovers:"Electronic applications of the Smith Chart *Dave - W?LEV* *Just Let Darwin Work* --
Dave - W?LEV |
Re: Smith's book. free download
On 8/5/22 11:38 AM, Charles Young wrote:
Smith Chart lovers:"Electronic applications of the Smith Chart in waveguide, circuit and component analysis" Phillip H Smith It's not on archive.org |
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