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Re: [TCML] Klystron use?
Might want to check out these books.HYPER AND ULTRA HIGH FREQUENCY ENGINEERING BY SARBACHER AND EDSON and ULTRA HIGH FREQUENCY TECHNIQUES BY BRAINERD AND WOODRUFF. I picked them up on ebay awhile ago. Both are from WWII era but as you most likely know this was perhaps the period of most interest in these gems. Just a suggestion. Wyatt
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: "miles waldron" <mileswaldron@xxxxxxxxxxx>
Date: Sat, 13 Jun 2009 09:42:47
To: 'Tesla Coil Mailing List'<tesla@xxxxxxxxxx>
Subject: RE: [TCML] Klystron use?
Thanks very much, but this link seems to be one of those pay for the article
sites. Humm, I really need something that I can read up on to "stimulate"
thoughts of a tesla application. It will be hard to glean any useful
information by reading 10% of an article.
buildingthefuture@xxxxxxxxxxxxxxxxx
-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Stephen Hiscock
Sent: Friday, June 12, 2009 6:38 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Klystron use?
This might be a start : http://www.tpub.com/content/fc/12404/index.htm
scroll down to the basic radar systems and you will see a heading called
Klystrons
http://www.tpub.com/content/fc/12404/css/12404_32.htm
They give some basic understanding and state that Klystrons can be
understood better by looking at Triode resonant amplifiers with
restricted bandwidth and increased gain.. - they have a few schematics
to view online there.....
There is quite a bit involved - this site might put you off firing one
up (just the cooling schemes are quite involved alone) - but just like
putting a ship inside a bottle - its worth the effort some would say..
Good Luck.
Stephnen
miles waldron wrote:
> Anybody got some schematcs or ideas on how to fire up the soviet e-bay
> klystron K-166(Gamma)3 9102??, seems like part of some resonant cavity
> gizmo.
>
> Filament 6.3v 0.5-1.3A
> Resonant voltage 350V
> Negative repeller voltage -50 to -350V
> Repeller circuit not more than 100kohm
> Load SWR 1.2 Max
> Cathode current 10ma to 50ma
> Frequency stabilization time 5min max
>
>
> buildingthefuture@xxxxxxxxxxxxxxxxx
>
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of gary350@xxxxxxxxxxxxx
> Sent: Thursday, June 11, 2009 6:39 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Klystron use?
>
>
> Why try to lower the frequency of the Klystron how about increasing
> the frequency of the TC.
>
> Or better yet, how about frequency modulation where the Klystron is
> the carrier wave.
>
>
>
>
>
>
> -----Original Message-----
>
>> From: Stephen Hiscock <stephenhiscock@xxxxxxxxx>
>> Sent: Jun 10, 2009 10:51 PM
>> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
>> Subject: Re: [TCML] Klystron use?
>>
>> I was meaning "Could" in the broadest possible sense.. Klystrons are
>> generally "Tuned" and calibrated where they are made and usually come
>> with a calibration sheet listing parameters and settings because they
>> don't work very well at other freqs etc.. But "possibly" someone could
>> design one to work at lower freqs. Just like people use high heel shoes
>> as hammers - they work - but its not generally a good idea!
>> If operated in conditions they are not designed to operate at - then
>> they will be hopelessly inefficient and would likely not even work at
all.
>> If you don't have the original calibration sheets etc that came with
>> them, then you might never get them to work properly anyway.
>> Also don't forget that you wouldn't want to plug it in without your non
>> ferrous (or non magnetic tools) - peoples fingers have been know to get
>> a little pinched in the big ones when the tool slams into the machine -
>> They have BIG magnetic fields to contain the plasma...
>>
>> But to explain my "could"
>> IF you could obtain two nearly identical Klystrons that operated very
>> near each other in freq - then you have a good starting area. No two
>> klystrons are ever the same - its just the nature of the beast. And
>> considering the lowest practical frequency of klystrons in current
>> use is about 300MHz - which is 1000 times the freq range of a Tesla
>> coil
>> - then you have a little bit of work ahead of you - but who ever said
>> practical limits aren't meant to be broken... after all we fly around in
>> heavier than air flying machines now....
>> besides - you are using them to make sparks, not efficient TV broadcasts
>> on satellites etc.
>> The beauty of Klystrons is their fine Amplitude and Phase control - if
>> you could get them operating close enough to each other so that one was
>> operating at say 300.1Mhz and the other at 300.6MHz - then you could
>> create a beating frequency of 500kHz - which is a good freq for a Small
>> Tesla coil...
>>
>> I'll leave the rest up to you.....
>>
>> Hey these aren't reflex Klystrons are they? - Hmmm "Homeland
>> Security" might pay you a visit if they are
>>
>> Stephen
>>
>> jimlux wrote:
>>
>>> Stephen Hiscock wrote:
>>>
>>>> Well that's exactly what Klystrons are used and designed for.. They
>>>> are designed as amplifiers to drive resonators or transmitters etc
>>>> that allow you to boost a signal while controlling the phase,
>>>> amplitude and frequency etc... They could be used to drive telsa
>>>> coils - but are usually designed to operate in the hundreds of
>>>> megahertz or gigahertz range... but like any thing they could be
>>>> adapted for other uses....
>>>>
>>>> Stephen
>>>>
>>>>
>>> Well...
>>>
>>> Klystrons (like most any amplifier) can be either oscillators or
>>> amplifiers, depending on the circuit it's in.
>>>
>>> I can't imagine Klystron being adapted to work at lower frequencies
>>> than it's design frequency, except maybe if you use the control grid
>>> (if it has one) to turn the beam on and off, and use it as a "real
>>> low frequency" switch.
>>>
>>> You could also use them as doorstops, which is "another use", after
>>> all._______________________________________________
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