EVGRAY Archive

Re: [EVGRAY] multipacting and secondary emission electron multiplication

Database ID: 111431
2018-12-28T09:34:15-06:00
Norman Wootan <[email protected]>

← View thread

Message-ID
<[email protected]>
In-Reply-To: <[email protected]>

Body

I am very familiar with the Multipactor concept of Philo Farnsworth, 
https://en.wikipedia.org/wiki/Philo_Farnsworth. Richard Hull was working 
with the multipactor in his fusion research.

On 12/28/2018 9:03 AM, Mick [email protected] [EVGRAY] wrote:
>
> Ole,
>
> Can you explain how and if avalanche currents in certain transistors can
> mimic multipaction and the electron multiplication of secondary emission?
>
> You mentioned awhile back a concept of power multiplication through
> avalanche mode rather than resonance as the system could be much less
> finicky.  Could you elaborate on this concept?
>
> It is interesting to note that during multipaction events much of the
> technology present is designed to limit the amplification event to
> prevent damage to the devices.
>
> Great data here:
>
> https://en.wikipedia.org/wiki/Multipactor_effect
>
> More intense version:
>
> https://arxiv.org/ftp/arxiv/papers/1112/1112.2176.pdf
>
>

References

<[email protected]>

Headers

Return-Path <[email protected]>
X-Sender [email protected]
X-Apparently-To [email protected]
X-Received (qmail 9301 invoked by uid 102); 28 Dec 2018 15:34:21 -0000
X-Received from unknown (HELO mtaq5.grp.bf1.yahoo.com) (10.198.29.78) by m8.grp.bf1.yahoo.com with SMTP; 28 Dec 2018 15:34:21 -0000
X-Received (qmail 30039 invoked from network); 28 Dec 2018 15:34:21 -0000
X-Received from unknown (HELO mta4003.groups.mail.bf1.yahoo.com) (10.201.195.72) by mtaq5.grp.bf1.yahoo.com with SMTP; 28 Dec 2018 15:34:21 -0000
X-Original-Return-Path <[email protected]>
X-Received-SPF none (domain of att.net does not designate permitted sender hosts)
X-YMailISG 43PKmSUWLDsYmksYxiJPEhtM7qrro1yT91mSrtR6yipnvfH7 gsLf9yj0bckHOFpNg513slug1zE.DHmsxX0lT6h03rONgHf9M8bKUkRuF8Az 5U_SiAsmE7u4Z7ivbbu78_AzRaa.GrppbeuidwlOUIBWdBvH_h.73_OZTbBy lYG4p9RunciDYVPLvdF9W_RTIWa.0icWDKOk9L1O5JHHf4uT4sUIkFc0C2sp ZIJrs8x.HM_kbCn78h8WTFngHdjIcmw0iirIN1oVOEZ_iH7f4a9hnsCumUaB rvUERs3449UguHJRdaIgPLq.ts72hFncymaplledi04vBJ7rnKb2wlWw_DD1 hGV1mbtwJ6hsq8dC93nK8C2PP.AwhDtod7NIzX8YDBb8Y4KlQZRyt1zqX6VV O4fbV6mo10A1suzo8gtbr5.fBuzzp5vT4ZBkRc46yPdH8j.dPEO5x.G0t.hE j3WuRBrWplAtvBO8D1POh84dN9AN_LGrmWVeJaX1K6Ncu4HTjrvGgYHHmdwA AbKqgfOpK11Qw.N1Fe4NDgNMOEOPZDWlhHL2v1VXjexACOILb4A15sSDPapH KagjOEATMxb00ZuKne3GzF5HLdu8ThlOQgApLXlZsk3nfPRc72rmwzmIrS7q QkOPS9U16aMMupxuBfFiJ07ZTda0gbAisw3TqbBmctzSSTpTsNsFzcrzrBQz UpJvBebi0cXZwWolWG.PFb_5U49G1bHtFnocjauTy99oouzpCwEcoRUPOfYS SZC1xE4195DjlpFAP6zFpv7pBWa2qcFVMGl0nLBX7bcMIHQyVIrI2o.Weq3. 4WX6c3EoFQ7yC_9B5cwJ8ND4b4LCAGEPGKrCYi5etrY6yEbc1n6PyCsQlmh8 4c2A8vlJTS5QjBxDnUTBB0bHTTzrwu9hf62ops4NSbFX5f8koUY3dXnk87Lx WqKTiwwwt9MVhShjhevXcDuOeFEMk2P44RltfZhuJX28K7Kv180ijH_BdTDZ _ZrHkyI6PIeWGjO_tkN1dhCFrDuAwC0hU6Pi.LIX7utqHsnhqomXukcKls9A Dzq9kYbX903xk9ww1MCVxvI5Ro4Rqw6CmskR0mOtsAYJQYx_YvUHezCaZggZ lUZpGCU91CSay00xW5ynE8s.hiPtOsbaMCdNzkROcVT13PQdp95MubpbP431 b_.yg1whf9uycgSogktOUknTRSyxx3MDQ7lk4TKvRw8FnluKE8Tayt1h8A7C gr7PdlN2tZHraLC_xWxfD8NQntA8gOkSITt01R87.0ijaqZmi5homeF9XIL9 7wrkJg2OXIz4Ej0LCJoen6aOVkU7ERJZsx7l8rUW8Xa80IPrkLBU46PRXtfW oHN_6WnEaNocH_QstWAd.sxJrPv790e7OewBiqX0yWXLSvoFTZo8.aio.4fT kg1CIS3fRShNcBfQlLIaW8VRLckA23ESPksyY6yN7gZgiPB8vAVwc_83Pk_3 ijppGDkii_YD5SBglhT7sycEc5OpFMk843JdzeSby1Mx0KAXSQbBLD42ZrCk Ik1y1suKnarLferppjfzEOjxiIjt0HBC_vR4
Authentication-Results mta4003.groups.mail.bf1.yahoo.com [email protected]; header.s=s1024; dkim=pass (ok)
X-Received from 127.0.0.1 (EHLO sonic303-25.consmr.mail.gq1.yahoo.com) (98.137.64.206) by mta4003.groups.mail.bf1.yahoo.com with SMTPS; Fri, 28 Dec 2018 15:34:20 +0000
X-YMail-OSG 8iZ5VxQVM1mvtWxzzFcAL2m6q_AMPv0wqAfzzNKxOgrad7rUvbvlkyUOnmOb3zy Ct2VDhoLbUIls2TRjAZeQW46dR.XZgePSacpgv7BWxw6Cip_XubggZlUI3MS75_WkOFM6RNTomn_ io8Sv2Mj4FzJHOm0lpLPpJMIIS4GLF_BFJmV1wdYWuJ_8D5Jtx_o91pZsf3w4HR9j0j2Z2E59YM. BJBG8nbnOXALfSuXbDiV2l9CVR2OumRXCtkYyPo.UuCLZI7zl33rDYNc1ZwWTvMaJqwZpyVrT2su ryeS.Km0dbEL12yWlTOAgnHMUIsYAI8tKxEjdVVIAoiZjLM5lmovV17MXas.rW_yDP_2dqH3fKja 15vvVi0GOXVSn.uJCn9BfjU127nFfINUtCfkOPeu0WTiUJ3bFMkdbKMQAkkmnU_mV52Ht3_CSmc8 VXpLlInupQdImKAVEQXRc1rZFNQkHBhRS4cep8pHG5Wvr34X9kH.vH0c3DYyz7UlmDoySf.qeQjr 2dNr7PZnM8r4fnXdoqe2IhdeHaIS33K34rzIoNL2UxCP6xgR_F9Dpud_mtdolUte631VOKRPzD7a kyKV74.HssWz6P2R9c8aDpzhDuqVA0dssQFzV_ipcg0KursG1qb9DnDNZtAf6L9noZwu881o0gbW rmDuw0GAmyBShW4Ldkq5F6XZEnzc1ruJMiQPobmNIdYctPRi_LgzCwS61DV4fKPs.SQIQz5OtQM0 Dnah6X3DQwwg6Yaez3DJ4ApCXa5dzwZ5J1v9TaK_rt161HjHn3FH.L3q6araULaIm21NSg8dlqdV j8_G46zO0f99il3JICJuL9Snf4vcM8V12df1fxlzobnmGmlxTazPPjdNZ15LFkegkyQv4e0LDrP3 6BhKsGXIhPQdGtYEocRKjymOnPgvnKcP19my_Anql6guqinKgAlDIDvL8USn9_fWieHeY.qDj8G5 plwNRkxoK1rQIVGPQ7ZsBBl2Y6LkURW8d1R_KFwkLLlvIDo1bN9wwzhlAokQVeEzA6eE6WUtFxQv 7klK9njQQIvwRYspiK0egpG6mixB.yVSLAfdHeVSokpl8d9dWEYy1UBwPAZR86JEf
X-Received from sonic.gate.mail.ne1.yahoo.com by sonic303.consmr.mail.gq1.yahoo.com with HTTP; Fri, 28 Dec 2018 15:34:19 +0000
X-Received from ip70-189-27-193.lf.br.cox.net (EHLO [192.168.0.5]) ([70.189.27.193]) by smtp426.mail.gq1.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID 59ac499f827ea917621231e8bc746824 for <[email protected]>; Fri, 28 Dec 2018 15:34:17 +0000 (UTC)
To [email protected]
References <[email protected]>
Message-ID <[email protected]>
Date Fri, 28 Dec 2018 09:34:15 -0600
User-Agent Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0
MIME-Version 1.0
In-Reply-To <[email protected]>
Content-Type multipart/alternative; boundary="------------C296B5BA89077AF4D3327BE3"
Content-Language en-US
X-Originating-IP 10.201.195.72
Subject Re: [EVGRAY] multipacting and secondary emission electron multiplication
X-Yahoo-Group-Post member; u=554418533; y=MjIg5rI0atHY5OeQ-pjTlKywa9NPfjZa2xKnyuQ1gOZ8jHNK4--9WkqP
X-Yahoo-Profile [email protected]
From Norman Wootan <[email protected]>