ASTM 201 304 Stainless simbi yakasungirirwa tubing vatengesi

Kutora oscilloscope yaimbove tsika yekupfuura kune vanobira hardware.Kusvika nguva pfupi yadarika, maturusi matsva akange asingawanzo mukati meavhareji bhajeti remunhu, saka unogona kunge wakanamatira yekare oscilloscope.Kune akawanda ezvisingadhuri sarudzo mazuva ano, kunyanya kana iwe uchisanganisira isingadhure makomputa oscilloscopes uye "oscilloscopes".Digital metres zvakare yakachipa mazuva ano (anowanzo mahara mune zvimwe zvitoro zvikuru), sezvakaita majenareta echiratidzo, ma frequency counter, uye kunyange logic analyzers.

ASTM 201 304 Stainless simbi yakasungirirwa tubing vatengesi

Asi pane chimwe chidimbu chemidziyo yekuyedza isingaonekwe kakawanda sezvayaimboita, uye zvinonyadzisa nekuti chikamu chekiti chinogoneka.Sezvinobvumwa, kana ukasashanda newaya, ingangove isiri pane yako yekushuvira, asi kana iwe ukaita chero chinhu neRF, haingori chishandiso chinogoneka, asiwo chakakosha.chii chinonzi Zvinoenderana.Nhoroondo vainzi "Grid Dip Oscillator" kana GDO.Unogona dzimwe nguva kuinzwa ichinzi "grid tilt mita".Zvisinei, shanduro dzemazuva ano hadzina machubhu (uye naizvozvo magirasi), ndosaka dzimwe nguva uchizonzwa dzava kunzi inclinometers, kana kuti zvimwe mabhakiti.
Chero zvaunenge uchivadaidza, nheyo yekushanda yakafanana, uye iri nyore kwazvo.Icho chiridzwa hachisi chinhu kunze kweyakanyanya Broadband oscillator ine inobuda yakabatana nekunze redunhu.Kune zvakare nzira dzekudzora kuti ingani simba riri kushandiswa nejenareta.Izvi zvinowanzoitwa nekutarisa peak amplitude ye oscillator.
Chikonzero chekudonha chine chekuita nemabatiro anoita inductor uye capacitor pama frequency akasiyana.Kune matatu masosi e impedance munenge chero dunhu kana chikamu: kuramba, izvo hazvifanirwe kushanduka ne frequency, capacitive reactance, nekuda kweiyo capacitance, uye inductive reactance ye inductive components.Mune zvimwe zviitiko, une zvakawanda zvavo.Semuyenzaniso, kabhoni resistors haifanire kuve yakawandisa reactation yemhando ipi neipi.Macapacitor anofanirwa kunge ari kunyanya capacitive.
Kune yakapihwa capacitor, iyo reactance yakakura kwazvo pane yakaderera frequencies uye idiki kwazvo pakakwirira frequencies.Inductance inoita zvakapesana: yakaderera frequencies inoburitsa mashoma kuita pane akakwira ma frequency.Izvi zviri nyore kurangarira kana iwe uchifunga nezve yakananga ikozvino sea wave ine zero hertz frequency.Iyo inductor (coil) ichatakura DC (yakaderera reactance), nepo capacitor (mahwendefa maviri akafanana) sezviri pachena haazotakure DC (yakakwira reactance).
Kunyangwe kupikisa kwese kwedunhu kunoenderana nezvinhu zvitatu izvi, hazvisi nyore sekuwedzera kukosha.Izvi zvinodaro nekuti kuramba uye kuita hakuna huwandu hwakafanana.Kana iwe uine 1V siginecha ichipinda mune 2 ohm mutoro ine 3 ohm reactance, iwe unoda kuziva kuti inoita zvakafanana ne1V ichipinda mune yenguva dzose resistor.Kana kushorwa uye reactance zvakabatana munhevedzano, kukosha kwekupikisa uku kunoshanda kwakaenzana neiyo impedance, inova iyo vector sum yekupikisa uye kuita.
Saka mumuenzaniso uyu 22+32=13.Iyo square root ye13 ndiyo chaiyo 3.6, saka iyo impedance ndeye 3.6 ohms.Kuti uwedzere kuomesa zvinhu, inductive uye capacitive reactance inowanzodzima imwe neimwe kunze.Capacitive reactance inowanzo onekwa seyakaipa, kunyangwe isu tichiri squaring, hazvina basa kuti ndeupi rudzi rwekupokana kwaunofunga pakuverenga uku.Kune avo vanorerekera kusvomhu, unonyatso funga kuramba sechikamu chaicho uye kuita sechikamu chekufungidzira chenhamba yakaoma.Kushandura kuita polar fomu inopa ukuru uye chikamu chekona.
Iyo parallel yekubatanidza inenge yakafanana, asi reactance inowedzera nenzira imwechete seyakafanana resistors.Asi chokwadi ndechekuti pane mamwe ma frequency, inductive uye capacitive reactance yakaenzana.Mune inoteedzana dunhu, izvi zvinoreva kuti reactance inova zero uye chete kuramba kunosara.Muchikamu chakafanana, zero inoguma mune denominator yechikamu, saka maitiro anobudirira haana magumo (uye kana chidziviriro chakachena chakabatanidzwa pamwe chete, hachichinje kukosha kwemushonga).Chero zvazvingaitika, reactance inodzima, ichisiya kuramba kwakachena.
Iyo poindi iyo reactances inodzima mumwe nemumwe kunze inonzi resonance.Iyo inclinometer inoshanda nekuti pane resonance point, iyo metres oscillator ichaona yakanyanya kuremerwa (yakaderera impedance), saka voltage inodonha (kana kudonha).Pane chero imwe frequency, kumwe kuita kunosara uye iyo impedance yese yedunhu iri pasi pekuyedzwa ichave yakakwira pane resonance.
Zviri pachena, basa guru re inclinometer ndeyekuyera resonant frequency yedunhu.Kana zviri izvo zvese zvinotora, zvinobatsira chaizvo.Asi nekuwedzera zvishoma kuedza, inclinometer inogona kuita zvakawanda.
Chekutanga, inogona zvakare kuyera mamwe maseketi akaturikidzwa, kwete chete chikamu capacitors uye inductors.Semuenzaniso, antennas, makristasi, uye mitsetse yekutumira inogona kunge iine chaiyo resonance point, uye mita inogona kuayera.Kune makristasi, iyo frequency ndeye oscillation frequency yekristaro (neimwe kukanganisa zvichienderana nekuremerwa capacitance uye zvimwe zvinhu).Antennas anogona kuita maungira akawanda, kwete iwo aunofarira chete, saka kumwe kutonga kunodiwa.Chese chisina coil (senge antenna kana kristaro) inoda koiri diki kuendesa simba kubva pamita kuenda kudunhu.
Kune tambo dzemagetsi, unogona kuyera izvi nekugadzira diki loop yekubatanidza inclinometer (iyo diki iri nani).Tsvaga iyo yakaderera dip uye icharatidza 1/4 wavelength yeiyo tambo yekufambisa frequency.Semuyenzaniso, kana tambo ikarira pa7.5 MHz (40 metres wavelength), tambo yacho ingangoita 10 metres kureba.Nekudaro, usakanganwa kufunga nezve mutsara wekumhanyisa kumhanya chinhu.Kureva kuti, kota-wave transmission line ine chiyero che 0.66 ichave ipfupi pane iyo theoretical kureba (munyaya iyi, inongova 66% yehurefu hwedzidziso).
Ehe saizvozvo, unogona kushandisa transmission mutsetse reshiyo zvisinei uchida.Ndokunge, iwe unogona kuwana resonant frequency kuyera tambo, kana iwe unogona kuseta frequency uye kugadzirisa mutsara wemateru.Muchokwadi, kushandisa izvo zvaunoziva kuti uwane zvausingazive kazhinji itsika yakanaka yegridi inclinometers.Unoda kuyera capacitor isingazivikanwe?Ita kuti iite resonant neanozivikanwa inductor.Kana kuti tanga necapacitor inozivikanwa uye uwane kukosha kwekoiri isingazivikanwe.
Nekudaro, rimwe rematambudziko makuru ndeye zvine musoro kuverenga frequency kuverenga.Mamwe masensor emazuva ano ane zviratidziro zvedhijitari (senge DipIt inoratidzwa kurudyi).Nekudaro, izvo zvinonyanya kudzvinyirira geji hazviiti.Kune rimwe divi, unogona kuzvibatanidza zviri nyore kune frequency mita kana kushandisa inogamuchira kunyatsoona frequency.
Zvimwe zviyero zviripo kana iwe usinganetseke kumwe fungidziro.Macoils ane Q (Q factor) inoratidza kupikisa kwaakaita maringe nekuita kwawo.Shandisa yakanaka reference capacitor, gadzira resonant circuit uye tenderera mita.Chenjerera kune frequency.Wobva wadzikisira inclinometer kusvika waona kuti kuverenga kwayo kunosvika 30% pakakwirira sei pane payakarereka.Iye zvino simudza sensor yekureruka uye udzike pamateru zvakare kudzamara wawana iyo 30% mucherechedzo zvakare kune rimwe divi.Q inenge yakaenzana neiyo yakaderera frequency yakakamurwa nemusiyano pakati peaviri 30% frequencies.
Izvi zvinogona kuve pachena, asi Ursa Major inogona zvakare kushandiswa senge chiratidzo sosi.Semuenzaniso, kugadzirisa redhiyo, unofanirwa kuseta iyo inclinometer kune frequency yaunoda kuti redhiyo inzwe uye kuitevera kuburikidza nedunhu.Mazhinji inclinometers anewo modhi yaanodzima oscillator uye kushandisa coil (uye tuning capacitor) uye diode senge wavelength mita.Iyo mita inozoratidza iyo RF simba nhanho paiyo tuned frequency.Mamwe ma sensors anotova nehedhifoni jacks kuitira kuti iwe ugone kuteerera kune iyo chiratidzo (ichiita kuti iite senge crystal radio).
Chimwe chezvikonzero zvinoita kuti vanhu vakawanda vasave nemainclinometers nhasi ndechekuti haasi kuwanikwa nyore sezvaaimboita.Heathkit mutengesi anozivikanwa kwazvo weinclinometers emhando dzakasiyana.Mamwe mazambiringa akakurumbira emhando (anowanzoonekwa paeBay) ndeeEico, Millen, Boonton, uye Measurements Corporation (chenjerera, kana usiri muunganidzi, machubhu mamodhi angasave anobatsira).Unogona kuwana runyoro rwemifananidzo yakawanda yeGDO pane [n4xy] saiti (iyo mifananidzo iri kudzvanya zvishoma kubva pane rinotevera bhatani riri papeji huru).Kuruboshwe kune pikicha yangu yekare GDO Measurements (uye hongu, inoshandisa machubhu).
Iwe uchiri kukwanisa kuwana inclinometers itsva kubva kuMFJ (ivo vanotengesa iyo MFJ-201 inoratidzwa kurudyi uye unogona zvakare kushandura mamwe eantenna analyzers kuti ashande inclinometers).Kunewo mapurogiramu akawanda paInternet.Kana iwe uchida chaiyo tube mod (isina kukurudzirwa), [w4cwg] ine zvirongwa.[SMOVPO] inosvitsa dhizaini yeFET yemazuva ano nejumper nyowani kubatsira kuita kudonha kudzika.
Kune rimwe divi, zvinoita sekunge zvinonyadzisa kuvaka yuniti nyowani isina kuratidzwa kwedhijitari.Ehe, iwe unogona kuwedzera imwe, kana kushandisa yakavakirwa-mukati seDipIt kana ELM.Kune zvimwe zvinhu zvakawanda uye kunyange kits.Tarisa kumativi ose.Chikamu chakanyanya kuoma chinowanzo kupeta makoiri, kunyangwe mamwe achizoda akasiyana capacitor anonetsa kuwana.Nekudaro, mukuita, chero oscillator inogona kudzikamiswa ichaita.Muchokwadi, ndine mabhaketi maviri ekare eHeathkit aishandisa negative resistance tunnel diode semaoscillator (rimwe rawo riri pamufananidzo kuruboshwe).
Kana iwe uchida ratidziro yevhidhiyo yekushandisa inclinometer, ini handina kukwanisa kuita zvirinani kupfuura [w2aew], saka unogona kuwana vhidhiyo yake pazasi.
Imwe yacho yanga iri pa“wish list” yangu kubvira pandakawana rezinesi rangu remasaisai eredhiyo muna 2008. Handisati ndawana mutengo wandinokwanisa kutenga.Zvakare, ndiri kuda kuziva kuti ndezvipi zvitoro zviri kupa zvibodzwa zvedhijitari?Ini ndinogona kushandisa mamwe akachipa akachipa maDVOM kuratidza mains voltage (handaizombovimba nemamita yakachipa kune chero chinhu).
Harbour Freight kazhinji inoburitsa ma sensors asina kusimba.Dzimwe nguva ndinoatora ndoaisa patafura, nekuti kanenge kamwe pavhiki mumwe munhu anouya obvunza kuti, “Une ohmmeter here?”Ndinongovapa imwe chete handitarisiri kuti ichadzoka.Dambudziko chete nderekuti handina kubhuya.Izvi hazvina musoro zvachose, asi zvekugovera ...
Ndatenda, ndichatarisa.Ndine akati wandei eFluke metres uye kunyangwe yekare HP 3457A yandinovimba nayo kuti ndiwane zviyero zvakaringana, asi zvingave zvinobatsira kuve nemamita akati wandei akachipa seyakaderera voltage monitors mumapurojekiti angu akasiyana emagetsi.
Ndakaona kuti magazini emotokari akadai seHot Rod, Car Craft, nezvimwewo anowanzoshambadza Horror Kutya pedyo nechekumashure.Macounter avo akachipa anowanzo kuuya necoupon “yemahara” ($10 yekutenga).Ndinovada, ndine vangangosvika gumi nevaviri vavo, imwe yemuchina wega wega, imwe yedhesiki rangu, imwe yebhenji rangu rebasa uye mamwe mashanu mune stock.Kwemakore mashanu kana kupfuura ini "ndakaunganidza" ivo, kana ndikacherechedza chero matambudziko, chaingova chirimo ichi.Kuita chimwe chinhu (ini handisi kuyeuka chii) kuverenga (kungave DC voltage kana kuramba) kwaizonyangarika mushure mesekondi kana zvakadaro.“Kushaikwa” zvinoreva kuti kuverenga kwaiswa patsva uye kuenda ku0.00 kana OL.Ndakaedza kutsiva bhatiri neimwe 9V bhatiri yandaive ndakarara, asi yakandipa yambiro yeLo Batt.Pandakaisa bhatiri rangu, rakashanda zvakanaka.Horror Fright inotengesawo imwe DVM yemadhora makumi maviri nemashanu (ndakatenga yangu nemadhora makumi maviri).Ndinoitakura mubhegi rangu, asi iyo inochinjika-inochinjika LCD dzimwe nguva haishande munzvimbo yakachinjika.Iniwo ndine 4 Flukes.
Kunze kwechinyorwa, izvi hazvisi zvemamultimeters zvachose, OL zvinoreva kuwandisa, izvo zvakajairika kune vanopikisa, zvisingaonekwe zvachose, zvinonzi infinity uye zvakajairika volts, zvinoreva yakawandisa voltage mune yakasarudzwa renji, mirairo yechishandiso chako inovhara izvi.TM munguva chaiyo?Pamusoro pane inclinometer grid.chete.
I checked out a couple of red Harbour Freight counters ndakawana mahara nemacoupon.Dhizaini yakashata, handingazvishandise mumaseketi emagetsi epamusoro.Solder mabhora neshinda zviri kwese kwese, uye fuse ingori girazi.Iko hakuna fuse zvachose pane 10A yekupinza, isiri-standard mabhanana jacks, waya dzakanyanya kutetepa kune 10A, uye kuvharira kwakanyanyisa kutetepa kune inonzi 600Vac/1000Vdc.
Sahwira wangu haana kutarisa mita yake kusvika atarisa chekuomesa 240V.Akabairira imwe waya ye10A mita ichibva yaputika.Ndinoreva chaizvo ruzha rwakanyanya, kupenya, uye mahafu maviri akabhururuka nepakati.Sezvineiwo aive asina kuibata, lucky waya yaaive akabata haina kunyungudika.
Ndofunga ndakatenga yangu ne$15 pane imwe humfest.Kana iwe uchi google, kune zvakare akawanda mapurojekiti painternet anoshandisa maFET kuvakisa.
Unogona kutenga DMM ne£5 kubva kuMaplin kuUK.Maplin mutengesi wemagetsi ane mukurumbira wakanaka wemitengo yakaderera!Kare, vainyanya kutengesa zvikamu.Bazi riri pedyo neni riri munzvimbo yekutengesa kunze kweguta, nzvimbo yeMaplin ingangodaro hafu yenhandare yebhola, uye haina kupfuura 2 transistors yemhando imwe neimwe.Somuenzaniso, 2 transistors.Vaviri, vakaparadzana transistors, 2 mabhesi, 2 vateresi, imwe.Zvimwe zvacho zvinogona kuodwa kubazi.
Zvinonzwisa tsitsi zvishoma.Chitoro chakasara chakazadzwa nezvitambi zveChinese, unogona kuwana zvirinani uye zvakachipa zvinhu kubva kunzvimbo dzekutenga zvinhu zvevatengi, pamwe nezvipo zvitsva, Chinese toy quadcopter nezvimwe zvakadaro.Hunhu hwezvose hwakachipa zvakanyanya, asi mutengo wekutengesa weMaplin unodhura zvakanyanya.
Ini ndinofunga seRadio Shack isati yadonha.Zvinosuruvarisa kuda Maplin, yavo yegore chikamu katalogi yakanga yakafanana nevechiri kuyaruka zvinonyadzisira.500 mapeji kana kupfuura, yakakura runyorwa rwezvikamu!Ikozvino zvese zvinopenga PMR walkie-talkies uye echinyakare maPC mamaboards e60% kupfuura iwe waungabhadhara kubva kune akazvimirira mutengesi.Asi nekuda kwechimwe chikonzero hapana nharembozha.Izvi zvichiri kunyanya kodzero yezvitoro zvemafoni akasarudzika.
Chero zvazvingava, ndingati kunyange zita rakadaro rebootleg raizotengesa multimeters ye £ 5, kunze kwekuti Maplin akauraya zviroto zvangu.Kumwe kunhu, inogona kunge iri ketani yezvitoro zveDIY.Kana, hongu, online.Iwe unogona kuwana multimeter zvakachipa zvakanyanya.Dzimwe nguva vanodaidzwa kunzi "household electrical testers" kana chimwe chinhu kuitira kuti mamita anodhura arege kutarisa kudhura zvakanyanya.Ndakava nemamwe mashoma asingadhure mumakore apfuura uye handina chichemo.Kazhinji transistor tester inovakwawo mukati. Kutaura zvazviri, kune zvinhu zvinodhura.Handizivi kuti musiyano chii.Ndinoda chigadzirwa chemhando.Zvangu hazvina kumbogogodza, saka kwemakore akawanda zvinhu zvese zviri mugwara.
Zvimwe kunze kweizvozvo, kana iwe uchingoda kukwira chimwe chinhu paPSU yako, unogona zvakare kuwana LED Voltmeters/Ammeters paEbay nemutengo wakaderera kwazvo mazuva ano.Kazhinji ingori PCB isina kesi, chero nzira yaunoda kuiisa.Rudzi rwe7-segment LED yesarudzo yako (hongu, haufanirwe kusarudza bhuruu!).
Kwete chaizvo mahara, asi zvakakwana kuti uwane.Ndakafunga kana mumwe munhu achivapa mahara, ingave imwe kune wese mutengi, uye chete kana kutenga kwaive kwechokwadi.
Iye zvino unogona kuita zvirinani.Arduino inogona kuongorora pini yeDDS.Iyo AD9851 inoshanda kusvika pa60 kana 70 MHz.Yepamusoro ma frequency anogona kuwanikwa ne frequency double uye triplers.Logarithmic power detectors inogona kuyera masaini pamusoro pesimba rakakura kwazvo uye frequency.Intelligent LCD kubata kuratidza kuratidza frequency mhinduro.
Heino vhidhiyo ine ruzivo rwakakura, ndinofunga ndakamboiona, yakangoitika yekugumburwa neduplexers/cavity mafirita kuburikidza neYT AI uye ini ndakaita se… ndakauya neiyi reticle angle mita:
gosh ini zviri pachena kuti handisi hacker zvachose.Handiyeuki ndichimbonzwa nezve inclinometer (ndakaita purojekiti yangu yekutanga yemagetsi makore makumi mashanu apfuura - yaive yekugamuchira quartz - isina mabhatiri, ingori waya refu yaibuda nepahwindo reimba yangu yekurara kutenderedza mhepo) Ndosaka ini Ndiri kuverenga Hackaday, yekudzidza kutsva… nerombo rakanaka handifanire kuishandisa.Zvinhu zvakaita sekushanda neESP8266 IOT zvakandichengeta ndakabatikana uye handina kupinda mundima itsva.Chero zvazvingava, ndinokutendai nokuda kwechinyorwa chinonakidza zvikuru.
Zvakanaka, ndine mashoma, asi kana uchangotanga uye uchida chishandiso chinoshanda chaizvo, ungangove usingade kubata nemarambi uye nehukuru hwemukati kana paine makuru akasimba ehurumende dzimwe nzira.Zvino, kana uri kuunganidza, zvakasiyana.
Machubhu anopera nekufamba kwenguva uye zvakare, sekuziva kwangu, hunhu husina kunaka sezvavanoshandisa filament waya uye kuvaka madhipoziti.Sanganisa izvozvo nekuva nazvo pachigadzirwa chekare uye mhedzisiro inogona kunge isiri iyo yaunoda.
Dzidziso yako pamusoro pechubhu inonyanya kukanganisa: iyo "filament wire" (inonzi filament nemazvo) haina kukanganiswa nedhipoziti.Iyi ipfungwa isiriyo, iwe uri kuvhiringa ruzivo zvakadaro, iyo chubhu yekufambisa inotambura nekubviswa kwecathodic pamhepo yakakwira, isingaunze heater ikozvino kwekutanga.Izvi hazvikanganisi pombi yekugamuchira.Chechipiri, kana ukashandisa mita, ndinokugamuchira iwe, marambi anogona kupedza maawa anopfuura 5000.Ndine midziyo yekuyedza kubva kuma50s, mayunivhesiti nemalabhu ane mwenje wekare.Mushure mezvose, hapana kudzika kune chubhu inclinometers, vamwe vanopokana kuti vacuum chubhu zviri nani pakuona chubhu yakarereka pane vashoma kana tunnel diodes nekuda kwechubhu cutoff maitiro.Ini ndinokurudzira kuti uende kune yakachipa chubhu ine analogi geji, uye kana ukafunga kuti unoda mabhero uye muridzo nedhijitari kuratidzwa, enda nazvo.
Ndine Measurements 59 inclinometer yandachangobva kudzoreredza kuti ndide mamiriro matsva.Ndakaisa SMA connector kune rumwe rutivi rwe oscillator case uye "sniffer" mukati pedyo ne955 oscillator rambi.Yangu StarTek digitaalinen metres inonyatso ratidza resonant frequency yeantenna yangu yemusungo kana chero imwe inductor kana dip ikaitika;chiyero chayo cheanalogi chichiri chakarurama zvinoshamisa.Hazvina kushata kune 70s chiridzwa chiri nyore uye chinonakidza kushandisa…
Marambi anoita maGDO akareruka uye handisati ndamboita dambudziko nemagetsi ekunze.Kana mumwe munhu achigona kuchera Nuvistor, inogadzira diki pasuru.
Mamwe ematambudziko ane solid-state "GDOs" ndeyekuti bipolar transistors haisi iyo yakaenzana yakaenzana nemachubhu, uye ekutanga transistors akashaya kuwana uye yakakwirira frequency mhinduro.Handizive kuti Heathkit Tunnel Bucket inoshanda sei, asi chimwe chidimbu chemidziyo.Saka akawanda makamera ekumashure anoshandisa dzimwe nzira kuona kudonha.MaFET anoita senge low voltage machubhu, gedhi rinodonha segridi, maMOSFET anooneka, anofanira kudonha futi, asi iwe unogona kazhinji kuona RF detector kuti uone kudonha.Mukupera kwa1971, vakomana veMillen vakatsanangura vachishandisa MOSFETs kushandura GO yavo yakakurumbira kuita chinhu chinotengeswa.Iyo yakafanana chassis, coils uye trimmer capacitors.Kamwe kamwe, iyo "nyore" chubhu yedunhu yaida basa rakawanda, kusanganisira akawanda RF chokes, kuti igadzirwe pasina madhipi enhema.
Handisati ndambovaka, asi machubhu anoita kunge ari nyore uye ayo ari kutengeswa akanyanya kuoma.
Ini ndinofunga GDO yakanyangarika nekuda kwemamwe maturusi ebvunzo.Asi mutengo wakwirawo.Heathkit kana Eico dzakachipa uye dziri pedyo dziri muchikamu chemadhora zana kana kudarika.
Pamwe mumadenderedzwa evanofarira, asi machubhu achiri kushandiswa zvakanyanya mumagetsi epamusoro TV/UHF uye microwave/satellite application… #NotAllTubes
Unogona kuona chirevo ichi.http://spectrum.ieee.org/semiconductors/devices/the-quest-for-the-ultimate-vacuum-tube
Mune ruzivo rwangu, vacuum tube spoons * zviri nani * pane zvipunu zvakasimba.Eico yangu yakanaka, sezvakaita Millen Dipper.Hit transistor ladles ingori pakati, tunnel ladles yavo yakaipa.Saka chero bedzi iwe ukawana imwe inoshanda (kana imwe yaunogona kugadzirisa), zera harifanire kuve chinhu.
Ladle yakanaka inogona "kunzwa" resonant yedunhu kubva kure nemainji mashoma… haidi kuti ibatanidzwe zvakananga kune coil sezvakaratidzwa muvhidhiyo.Zvakare, iyo mita inofanirwa kunge yakagadzikana sezvaunoridza kubva kune imwe mugumo werenji kuenda kune imwe.Varombo vanowanzova nemafungiro akawanda enhema.
Iyo Big Dipper inobatsira kuratidza zviri * chaizvo* zviri kuitika mumaketani.Yese capacitor ine inductance uye yega inductor ine capacitance.Izvi zvinoreva kuti dzinongo zunguza pane imwe frequency.Zvakare, yako bypass capacitor inova inductor, saka zvakaipisisa pane zvisina basa!Iyo Big Dipper inogona zvakare kuratidza kuti dunhu rako rine spurious oscillations pazvisingatarisirwe ma frequency, kana kuti isinganzwisisike kuRF pane mamwe ma frequency.