{"id":80389,"date":"2020-05-05T13:42:36","date_gmt":"2020-05-05T11:42:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/dzhon-rejnarcz-i-ego-legendarnyj-radiopriyomnik"},"modified":"2020-05-05T13:42:36","modified_gmt":"2020-05-05T11:42:36","slug":"dzhon-rejnarcz-i-ego-legendarnyj-radiopriyomnik","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/dzhon-rejnarcz-i-ego-legendarnyj-radiopriyomnik","title":{"rendered":"John Reinartz a jeho legend\u00e1rn\u00ed radiop\u0159ij\u00edma\u010d","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"John
\n27. listopadu 1923 americk\u00ed radioamat\u00e9ri John Reinartz (1QP) a Fred Schnell (1MO) uskuto\u010dnili obojsmern\u00fa transatlantick\u00fa r\u00e1diov\u00fa komunik\u00e1ciu s radioamat\u00e9rom z Franc\u00fazska Le\u00f3nom Deloyom (F8AB) na vlne okolo 100 m. T\u00e1to udalos\u0165 mala obrovsk\u00fd dopad na rozvoj svetov\u00e9ho radioamat\u00e9rskeho hnutia a r\u00e1diokomunik\u00e1cie na kr\u00e1tkych vln\u00e1ch. Jedn\u00fdm z rozhoduj\u00facich faktorov, ktor\u00fd prispel k \u00faspechu, bola \u00faprava regenerat\u00edvneho r\u00e1di prij\u00edma\u010da Armstronga, ktor\u00fa vykonali Schnell a Reinartz. \u00dapravy sa uk\u00e1zali by\u0165 tak\u00e9 \u00faspe\u0161n\u00e9, \u017ee men\u00e1 \u201eSchnell\u201c a \u201eReinartz\u201c sa stali synonymami pre podobn\u00e9 prij\u00edma\u010de.
\n<\/a><\/noindex><\/p>\n

To byl oby\u010dejn\u00fd \"reynarc\"\u2026<\/h1>\n

\nV\u0161eznaj\u00fac Wikipedia o Johnovi Reinartzovi mi nemohla poskytn\u00fa\u0165 ni\u010d. Tento historick\u00fd preh\u013ead bol nap\u00edsan\u00fd na z\u00e1klade rozpt\u00fdlen\u00fdch publik\u00e1ci\u00ed americk\u00fdch radioamat\u00e9rov, ako aj materi\u00e1lov z janu\u00e1rov\u00e9ho \u010d\u00edsla \u010dasopisu \u201eQST\u201c z roku 1924 a \u010d\u00edsla 23-24 \u010dasopisu \u201eRadiamat\u00e9r\u201c z roku 1926.<\/p>\n

John Reinartz sa narodil 6. marca 1894 v Nemecku. V roku 1904 sa Reinartzovci pres\u0165ahovali z Nemecka do Ju\u017en\u00e9ho Manchesteru v Connecticute, USA. V roku 1908 sa John zauj\u00edmal o r\u00e1dio a v roku 1915 sa stal jedn\u00fdm z prv\u00fdch v krajine, ktor\u00ed sa pripojili k n\u00e1rodnej asoci\u00e1cii radioamat\u00e9rov USA (ARRL).<\/p>\n

Za\u010d\u00ednala \u00e9ra objavovania r\u00e1diov\u00fdch v\u013an. Predn\u00e9 laborat\u00f3ria sveta aj oby\u010dajn\u00ed nad\u0161enci h\u013eadali technick\u00e9 rie\u0161enia pre r\u00e1diov\u00e9 prij\u00edmacie a vysielacie zariadenia. Ako som u\u017e p\u00edsal v predch\u00e1dzaj\u00facich \u010dl\u00e1nkoch tejto s\u00e9rie, elektrick\u00e9 gener\u00e1tory a krystalov\u00e9 detektory boli vtedy akt\u00edvne vytl\u00e1\u010dan\u00e9 rie\u0161eniami na elektronick\u00fdch lamp\u00e1ch.<\/p>\n

Jedn\u00fdm z prielomov tej doby bolo vyn\u00e1jdenie Armstrongom<\/a><\/noindex> regenerat\u00edvneho r\u00e1diov\u00e9ho prij\u00edma\u010da. Rie\u0161enie bolo jednoduch\u00e9, lacn\u00e9 a umo\u017enilo vytvori\u0165 zariadenie na dia\u013ekov\u00fd pr\u00edjem len s jednou r\u00e1diovou lampou. Obtia\u017enos\u0165 spo\u010d\u00edvala v mechanickom nastaven\u00ed polohy cievky sp\u00e4tnej v\u00e4zby. \u010c\u00edm vy\u0161\u0161ia bola frekvencia prijmu, t\u00fdm \u201eostrej\u0161ie\u201c bolo toto nastavenie.<\/p>\n

John Reinartz v\u00fdznamne zlep\u0161il sch\u00e9mu Armstronga, pevne upevnil cievku sp\u00e4tnej v\u00e4zby. Nastavenie ve\u013ekosti sp\u00e4tnej v\u00e4zby v prij\u00edma\u010di Reinartza (Reinartz Tuner) sa uskuto\u010d\u0148ovalo kondenz\u00e1torom s premenlivou kapacitou (KPE). Na zn\u00ed\u017eenie \u201eostrosti\u201c nastaven\u00ed boli pou\u017eit\u00e9 vernierov\u00e9 zariadenia.<\/p>\n

Na rozd\u00edl od Armstronga, kter\u00fd se cel\u00fd \u017eivot soudil o sv\u00e9 patenty a priority, Reinarz jednodu\u0161e publikoval svou konstrukci v \u010dervnov\u00e9m \u010d\u00edsle \"QST\" z roku 1921. N\u00e1sledovaly je\u0161t\u011b dv\u011b \u010dl\u00e1nky se vylep\u0161en\u00edmi.<\/p>\n

V publikace americk\u00e9ho radioamat\u00e9ra Johna Dilkse (K2TQN)<\/a><\/noindex> existuje p\u0159\u00edklad realizace Reinarzova p\u0159ij\u00edma\u010de na jedn\u00e9 lamp\u011b:<\/p>\n

\"John<\/p>\n

\u2026 a fungoval velmi jednodu\u0161e\u2026<\/h1>\n

\nLampov\u00e9 sch\u00e9mata oslovuj\u00ed drsnou kr\u00e1sou technick\u00fdch \u0159e\u0161en\u00ed. V\u0161echno je na sv\u00e9m m\u00edst\u011b, nic nav\u00edc.<\/p>\n

Ve sv\u00e9m eseji jsem se \u00famysln\u011b rozhodl nezahrnout sch\u00e9mata z publikac\u00ed 20. let 20. stolet\u00ed, ale obr\u00e1til jsem se k osv\u011bd\u010den\u00e9mu prvn\u00edm vyd\u00e1n\u00ed \"Mlad\u00e9ho radioamat\u00e9ra\" Borisova. Tady je, jak jednodu\u0161e a n\u00e1zorn\u011b je u n\u011bj uk\u00e1z\u00e1na pr\u00e1ce p\u0159ij\u00edma\u010de s p\u0159\u00edm\u00fdm zes\u00edlen\u00edm na jedn\u00e9 lamp\u011b:<\/p>\n

\"John
\nPr\u00e1ci rezonan\u010dn\u00edho obvodu na vstupu sch\u00e9matu a sluch\u00e1tka s blokovac\u00edm kondenz\u00e1torem na v\u00fdstupu jsme probrali v \u010dl\u00e1nku o \"krystalidinu\" Loseva. Probereme pr\u00e1ci obvodu RcCc na vstupu triodov\u00e9ho zesilova\u010de.<\/p>\n

Obvod RcCc se naz\u00fdv\u00e1 \"grid leak\" (z angli\u010dtiny: grid leak \u2014 \u00fanik m\u0159\u00ed\u017eky), pomoc\u00ed n\u011bho\u017e se prov\u00e1d\u00ed \"m\u0159\u00ed\u017ekov\u00e9 detekce\", kdy zesilova\u010d na lamp\u011b nejen detekuje sign\u00e1l, ale tak\u00e9 ho zesiluje.<\/p>\n

Graf (a) ukazuje anodov\u00fd proud zesilova\u010de, kdy\u017e \"grid leak\" chyb\u00ed. Vid\u00edme, \u017ee vstupn\u00ed sign\u00e1l je zesilov\u00e1n p\u0159\u00edmo.<\/p>\n

Po zapnut\u00ed \"grid leaku\" v obvodu \u0159\u00edzen\u00ed m\u0159\u00ed\u017eky pozorujeme v anodov\u00fdch obvodech pulsace proudu (graf b). Blokovac\u00ed kondenz\u00e1tor filtruje vysokofrekven\u010dn\u00ed komponenty (graf c) a my dost\u00e1v\u00e1me ve sluch\u00e1tk\u00e1ch sign\u00e1ly zvukov\u00e9 frekvence.<\/p>\n

Te\u010f se pod\u00edvejme, co ud\u011blali s t\u00edmto sch\u00e9matem Armstrong a Reinarz:<\/p>\n

\"John
\nArmstrong zavedl do anodov\u00fdch obvod\u016f zesilova\u010de c\u00edvku zp\u011btn\u00e9 vazby. P\u0159i pozitivn\u00ed zp\u011btn\u00e9 vazb\u011b se k sign\u00e1lu v c\u00edvce rezonan\u010dn\u00edho obvodu p\u0159id\u00e1v\u00e1 sign\u00e1l z c\u00edvky zp\u011btn\u00e9 vazby. \u00darove\u0148 zp\u011btn\u00e9 vazby je nastavena tak, aby se zesilova\u010d nach\u00e1zel na hranici samovzbuzen\u00ed, co\u017e zaji\u0161\u0165uje maxim\u00e1ln\u00ed \u00farove\u0148 zes\u00edlen\u00ed vstupn\u00edho sign\u00e1lu.<\/p>\n

P\u0159i p\u0159\u00edjmu na kr\u00e1tk\u00fdch vln\u00e1ch byla nastaven\u00ed sch\u00e9matu Armstronga pro pr\u00e1ci v regenerativn\u00edm re\u017eimu problematick\u00e1: sebemen\u0161\u00ed posun c\u00edvky zp\u011btn\u00e9 vazby vedl k velk\u00fdm zm\u011bn\u00e1m parametru p\u0159\u00edjmu.<\/p>\n

John Reynarz vy\u0159e\u0161il probl\u00e9m t\u00edm, \u017ee zafixoval vz\u00e1jemnou polohu c\u00edvek L1 a L2 tak, aby vz\u00e1jemn\u00e9 indukce mezi nimi a zm\u011bny kapacity zp\u011btn\u00e9 vazby Sta\u010dila k provozu p\u0159ij\u00edma\u010de v regenerativn\u00edm re\u017eimu na \u0161irok\u00e9m spektru vln. <\/p>\n

Aby se zv\u00fd\u0161ila stabilita provozu, byl do anodov\u00fdch obvod\u016f lampy za\u0159azen tlumivka Dr. Ta zaji\u0161\u0165ovala odizolov\u00e1n\u00ed vysokofrekven\u010dn\u00edch obvod\u016f p\u0159ij\u00edma\u010de od n\u00edzkofrekven\u010dn\u00edch a \u00fa\u010dinn\u011b odfiltrovala z r\u00e1diov\u00e9ho sign\u00e1lu zvukovou slo\u017eku.<\/p>\n

Pro \"nastaven\u00ed\" p\u00e1sem a zp\u011btn\u00e9 vazby byly pou\u017eity vernierov\u00e9 sou\u010d\u00e1sti \u2013 sn\u00ed\u017een\u00ed p\u0159evodn\u00edky mezi ovl\u00e1dac\u00edmi knofl\u00edky a osami kondenz\u00e1tor\u016f. Tato technick\u00e1 \u0159e\u0161en\u00ed umo\u017enila plynul\u00e9 lad\u011bn\u00ed frekvence p\u0159\u00edjmu, a co je nejd\u016fle\u017eit\u011bj\u0161\u00ed \u2013 \u00farovn\u011b zp\u011btn\u00e9 vazby.<\/p>\n

P\u0159i lad\u011bn\u00ed p\u0159ij\u00edma\u010de na r\u00e1diovou stanici nejprve nastavili \u00farove\u0148 zp\u011btn\u00e9 vazby podle zvy\u0161uj\u00edc\u00ed se hlasitosti \u0161um\u016f z \u00e9teru. P\u0159ij\u00edma\u010d v podstat\u011b p\u0159e\u0161el do re\u017eimu \u201eautodinu\u201c, co\u017e znamenalo, \u017ee za\u010dal fungovat jako heterodynn\u00ed p\u0159ij\u00edma\u010d. P\u0159i lad\u011bn\u00ed na frekvenci stanice se nejprve ozval p\u00ed\u0161\u0165alov\u00fd t\u00f3n v d\u016fsledku kmit\u00e1n\u00ed vlastn\u00edch oscilac\u00ed a nosn\u00e9 frekvence. T\u00edmto zp\u016fsobem byl zachycen provoz radiotelegrafu (CW).<\/p>\n

P\u0159i p\u0159\u00edjmu vys\u00edlac\u00edch r\u00e1diov\u00fdch stanic (AM) pokra\u010dovalo lad\u011bn\u00ed frekvence, dokud se neobjevily \u201enulov\u00e9 kmit\u00e1n\u00ed\u201c, a pot\u00e9 se \u00farove\u0148 zp\u011btn\u00e9 vazby sn\u00ed\u017eila podle kvality zvuku.<\/p>\n

Mimochodem, byl pozorov\u00e1n zaj\u00edmav\u00fd efekt: regenerativn\u00ed p\u0159ij\u00edma\u010d p\u0159i nespr\u00e1vn\u00e9m lad\u011bn\u00ed na stanici \u010dasto za\u010dal automaticky ladit frekvenci a f\u00e1zi vlastn\u00edch oscilac\u00ed podle nosn\u00e9ho sign\u00e1lu. Tato automatick\u00e1 lad\u011bn\u00ed zajistila synchronn\u00ed re\u017eim p\u0159\u00edjmu.<\/p>\n

\u2026 i kdy\u017e ne dokonale<\/h1>\n

\nRegenerativn\u00ed p\u0159ij\u00edma\u010de maj\u00ed jak \u0159adu v\u00fdhod, tak i nev\u00fdhod.<\/p>\n

Mezi v\u00fdhody pat\u0159\u00ed vysok\u00fd pom\u011br \u201ecena\u2013kvalita\u201c. Krom\u011b toho \u201eregener\u00e1tory\u201c poskytovaly ur\u010ditou univerz\u00e1lnost: umo\u017enily p\u0159\u00edjem vys\u00edlac\u00edch stanic v re\u017eimu regenerace; v re\u017eimu autogenerace pracovaly jako heterodynn\u00ed p\u0159ij\u00edma\u010de a na nich bylo mo\u017en\u00e9 p\u0159ij\u00edmat radiotelegraf.<\/p>\n

Hlavn\u00ed nev\u00fdhodou byla pot\u0159eba neust\u00e1l\u00e9ho se\u0159\u00edzen\u00ed zp\u011btn\u00e9 vazby a parazitn\u00ed vyza\u0159ov\u00e1n\u00ed p\u0159ij\u00edma\u010de do \u00e9teru. Pamatujte na Va\u0161ka Taburetkin!<\/p>\n

Po v\u00e1lce byly regenerativn\u00ed p\u0159ij\u00edma\u010de postupn\u011b vytla\u010dov\u00e1ny superheterodiny. Ale to je u\u017e jin\u00fd p\u0159\u00edb\u011bh\u2026<\/p>\n

Od autora<\/h4>\n

\nVe 20. letech se John Reinhartz v\u011bnoval studiu \u0161\u00ed\u0159en\u00ed kr\u00e1tk\u00fdch vln. Z\u00fa\u010dastnil se arktick\u00e9 expedice.
\nOd roku 1933 pracoval v RCA.
\nV roce 1938 nastoupil do n\u00e1mo\u0159nictva, slu\u017ebu ukon\u010dil v roce 1946 jako kapit\u00e1n.
\nV roce 1946 se vr\u00e1til zp\u011bt do pr\u00e1ce v RCA.
\nOd roku 1949 pracoval v Eimac.
\n1. \u00fanora 1960 se konal velkolep\u00fd banket na po\u010dest Reinhartova odchodu do d\u016fchodu, kter\u00e9ho se z\u00fa\u010dastnilo v\u00edce ne\u017e dv\u011b st\u011b renomovan\u00fdch r\u00e1diov\u00fdch nad\u0161enc\u016f.
\nZem\u0159el 18. z\u00e1\u0159\u00ed 1964. <\/p>\n

patronem kan\u00e1lu LAB-66<\/h4>\n

\n1. \u201eQST\u201c, 1924, \u010d. 1
\n2. \u201eR\u00e1diov\u00fd nad\u0161enec\u201c, 1926, \u010d. 23-24
\n3. Borisov V.G. Mlad\u00fd r\u00e1diov\u00fd nad\u0161enec \u2013 M.: Gosenergoizdat, 1951<\/p>\n

Dal\u0161\u00ed publikace cyklu<\/h4>\n

\n1. Ni\u017en\u011bnovgorodsk\u00e1 radiolaborato\u0159 a amat\u00e9rsk\u00e1 r\u00e1diov\u00e1 komunikace na KV<\/a><\/noindex>
\n2. Ni\u017en\u011bnovgorodsk\u00e1 radiolaborato\u0159 a radiop\u0159ij\u00edma\u010de na krystalick\u00fdch detektorech<\/a><\/noindex>
\n3. Ni\u017en\u011bnovgorodsk\u00e1 radiolaborato\u0159 a \u201ekrystadin\u201c Loseva<\/a><\/noindex>
\n4. John Reinartz a jeho legend\u00e1rn\u00ed radiop\u0159ij\u00edma\u010d<\/a><\/noindex>
\n
Zdroj: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

27 \u043d\u043e\u044f\u0431\u0440\u044f 1923 \u0433\u043e\u0434\u0430 \u0430\u043c\u0435\u0440\u0438\u043a\u0430\u043d\u0441\u043a\u0438\u0435 \u0440\u0430\u0434\u0438\u043e\u043b\u044e\u0431\u0438\u0442\u0435\u043b\u0438 \u0414\u0436\u043e\u043d \u0420\u0435\u0439\u043d\u0430\u0440\u0446 (John L. Reinartz, 1QP) \u0438 \u0424\u0440\u0435\u0434 \u0428\u043d\u0435\u043b\u043b\u044c (Fred H. Schnell, 1MO) \u043f\u0440\u043e\u0432\u0435\u043b\u0438 \u0434\u0432\u0443\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u044e\u044e \u0442\u0440\u0430\u043d\u0441\u0430\u0442\u043b\u0430\u043d\u0442\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0440\u0430\u0434\u0438\u043e\u0441\u0432\u044f\u0437\u044c \u0441 \u0440\u0430\u0434\u0438\u043e\u043b\u044e\u0431\u0438\u0442\u0435\u043b\u0435\u043c \u0438\u0437 \u0424\u0440\u0430\u043d\u0446\u0438\u0438 \u041b\u0435\u043e\u043d\u043e\u043c \u0414\u0435\u043b\u043e\u0435\u043c (Leon Deloy, F8AB) \u043d\u0430 \u0434\u043b\u0438\u043d\u0435 \u0432\u043e\u043b\u043d\u044b \u043e\u043a\u043e\u043b\u043e 100 \u043c. \u042d\u0442\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0435 \u043e\u043a\u0430\u0437\u0430\u043b\u043e \u043e\u0433\u0440\u043e\u043c\u043d\u043e\u0435 \u0432\u043b\u0438\u044f\u043d\u0438\u0435 \u043d\u0430 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043c\u0438\u0440\u043e\u0432\u043e\u0433\u043e \u0440\u0430\u0434\u0438\u043e\u043b\u044e\u0431\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044f \u0438 \u0440\u0430\u0434\u0438\u043e\u0441\u0432\u044f\u0437\u0438 \u043d\u0430 \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0445 \u0432\u043e\u043b\u043d\u0430\u0445. \u041e\u0434\u043d\u0438\u043c \u0438\u0437 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":80390,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-80389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 John Reinhartz a 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