Ukuhlola ukuguquguquka kwe-UA741 op-op-amp ku-elekthronikhi yanamuhla
2024-11-29 1164

I-amplifier yokusebenza ye-UA741 imele njengengxenye eyisisekelo kwezogesi, egujwa ngokushintshana kwayo kanye nezimpawu ezithembekile.Njengento ebalulekile emiklamo eyisisekelo ye-elekthronikhi, iphethe isikhundla esivelele.

Namabhuku

Ukucushwa kwe-PIN7441

Izici nezici ze-UA741 OP-AMP

Ukusebenza kahle kokusebenza kanye nokuphathwa kwamandla kagesi

Le khasi Ua741 I-OP-AMP isebenza ngempumelelo lapho isebenza ngaphakathi kohlu lwe-voltage lwe-± 18V.Ingculazi enjalo ehlukahlukene ekusetshenzisweni kwayo kuwo wonke amacebo ahlukahlukene wesifunda.Iphatha ama-voltage ahlukile wokufaka afinyelela ku- ± 15v 15v, ekhombisa amandla awo okubhekana namasiginali wokufaka ahlukahlukene.Lapho kudala amasistimu athembekile, kuyazuzisa ukukhetha izingxenye ezingathola la ma-voltage v ariat ion ariat aaa, ngaleyo ndlela ethuthukisa ukuqina kohlelo.

Ukunemba kwesiginali nokukhuliswa

Ngokwenqatshelwa okujwayelekile kwesabelo sokuvusa (CMRR) kwe-90 DB, i-UA741 ihlisa kakhulu amaphutha kusuka ku-Noise noma ekuphazanyisweni, ukuletha imiphumela eqondile.Le CMRR ephezulu ikhombisa ubungcweti be-OP-AMP ekuhlukaniseni isiginali yangempela kusuka kumsindo we-Extevate.Ukukhuthalwa kwalo okuhlukile kwe-voltage ka-200v / MV kuqokomisa amathuba awo okuqinisa amasiginali wokwehlukana, kuqinisekiswe ukuthembeka kwesiginali kuyagcinwa.Ngokuphatha amasiginali wokufaka abuthakathaka ngokunemba, amadivaysi anikeza amandla anjalo okukhulisa anenzuzo ekusetshenzisweni kwe-elektroniki ebucayi.

Ukusetshenziswa kwamanje kanye nokuklama ukuguquguquka

I-UA741 idla isivinini esincane samanje se-1.5ma, okwenza kube kuhle ukuthola izinhlelo zokusebenza lapho kusebenza khona amandla okusebenza kwamandla, njengakumadivayisi anikwe ibhethri.Ukutholakala kwayo ezikhethweni ezijwayelekile zokufaka, kufaka phakathi i-8-pin pdip, i-spic, ne-vssop, kwandisa ukuvumelana nezidingo zayo zokuqamba.Lokhu kuguqulwa kwesekela ukufakwa kwayo okungenamthungo ezinhlaka zobabili zesimanjemanje nokwakhiwa kwendabuko, onjiniyela abasizi nabaklami ekuzulazuleni ngenqubo yokubonisa amandla.

Indawo ehambisanayo ye-UA741

I-CA3140

Ukuhlola ezinye izikhangiso ezisebenzayo zokusebenza ku-UA741

Lm4871, I-AD620, IC6283, JRC4558, Tl081, LF351N, MC33171N

Ungayisebenzisa kuphi i-UA741 OP-AMP?

I-UA741 OP-OPP idlale indima yesisekelo ekwakhiweni kwe-elekthronikhi futhi yavela maphakathi nekhulu lama-20.Ukusetshenziswa kwayo okuvelele ngaphezulu kweminyaka kukhombisa ukwethenjwa okujulile ekuthembekeni kwayo nokuvumelana nezimo.Ekuqaleni, yamukelwa ukwakhiwa kwayo okulula okulula kanye namakhono okuhlanganiswa kokuqala, ukusetha isigaba sokwenza amasekethe ayinkimbinkimbi ngokwengeziwe.Kuzilungiselelo zezemfundo namuhla, iyaqhubeka nethuluzi elinamandla lokufundisa, libonisa izimiso ezibalulekile kunjiniyela onjiniyela.Lokhu kuhambelana okuqhubekayo kwengxenye kuqokomisa amandla alo okuvumelanisa nezimo ngaphakathi kwemboni eguquguqukayo eguquguqukayo.

Indima Ehlanganisiwe kuzicelo zokujikeleza

Ukuguquguquka kubonisa iqhaza le-UA741 kulo lonke uhlelo lokusebenza oluningi.Isebenza ngempumelelo njengomlandeli we-voltage, igcina amazinga aqinile ama-voltage kokufakwayo nokuphuma, okubalulekile emibukeni edinga ukuphazamiseka okuncane.Ikhono layo lokubuphazamisa livimbela ukusebenzisana okungalungile phakathi kwezakhi zesekethe, kuqinisekiswe ukuthembeka kwesiginali.Njengomqhathanisi, i-UA741 ichaza amazinga we-voltage, ithuthukisa ukwenziwa kwezinqumo emibuthanweni yedijithali.Ngaphezu kwalokho, amakhono ayo okusondizela aphenduka amasiginali avumayo ekuphumeni okunamandla, okuvame ukusetshenziswa ezinhlelweni zomsindo nezinzwa.

Ukuqina nokuhlanganiswa komthungo emiklamo

I-UA741 ivelele ukuqina kwayo okuphawuleka, okuhambisana nokuhlanganiswa kwemiklamo, okwenza kube yindlela ethandekayo yalabo abakha amaphrojekthi wesifunda ayisisekelo.Ukuqinisekiswa okuqondile kokuqaliswa kwalo kumema ubuciko nokuthuthuka okuhlola, ngisho nakubaqalayo endabeni yobunjiniyela.Idizayini esebenzayo futhi efinyelelekayo ihumusha kwizicelo zomhlaba zangempela ezelwe ukwedlula ukuzivocavoca kwezemfundo, ukukhulisa okusha ngokuhlola okuqondile.

Ukuthola ukuhlakanipha okusebenzayo kusuka ekuxhumaneni kwangempela komhlaba

Ukuqonda okukhulu kwe-UA741 OP-AMP-njalo kuvela njalo kusuka ekuzibandakanyeni okuqondile.Ezikhaleni zobunjiniyela obuchwepheshe, kuvame ukuqashwa ngesikhathi sokubonisana ngenxa yokuqina kwalo nokusebenza okungaguquki.Ngokuzibandakanya okusebenzayo emhlanganweni wesifunda kanye nokuhlola, abasebenzisi baqoqa imininingwane ebalulekile ekuziphatheni okunamandla kwama-elekthronikhi nokuthi izingxenye zihlangana kanjani.Le ndlela ye-Hands-on Blocters Ukuqonda kwe-Therenical futhi ilola amakhono okuxazulula izinkinga, ukugcizelela iqhaza eliqhubekayo lemfundo nelisebenzayo.

Isebenzisa i-UA741 IC yokuthuthuka kwesifunda esiphakeme

I-UA741 IC iyi-amplifier yokusebenza egujwa ngokuvumelana kwayo kanye nokuthenjwa kwayo ezinhlobonhlobo ezihlukene ze-elekthronikhi.Ngenkathi ihlanganyela izindima ezithile ne-LM324 emibuthanweni ye-analog, i-UA741 isetha ngokwayo ngamakhono ahlukile abhekana ne-sportrum ebanzi yezinselelo zokuklama.

Izici ezihlukile ze-UA741

Ngokungafani nokusetha kwe-LM324's Quad-AMP-AMP, i-UA741 isebenzisa ukwakheka okukodwa kwe-OP-AMP.Ukwahlukanisa kwayo okuphawuleka kulele ezihlokweni zalo ezimbili ezinikezelwe (PIN 1 noPin 5), okusetshenziselwa ukubekezelela ukucaciswa kokusebenza ngokuvumela ukulungiswa kwephutha.Lezi zinhlanthi zinikeza ukulawulwa okungenzeka okudingekile ezindaweni eziyinkimbinkimbi zesekethe, kusiza ukuhleleka okuhle ukuze kugcinwe izilungiselelo ezisebenzayo.

Ukubaluleka kokulungiswa kwe-voltage voltage

Kuzinhlelo zokusebenza zangempela zomhlaba, amandla okusebenzisa i-offset voltage efanelekile.Lokhu kusebenza kuqinisekisa ukuthi ukuphuma kuhlale okuzinzile futhi kungekho mkhulu lapho okokufaka okuhlukile ku-UA741 kungu-zero.Ukunemba okunjalo kuzuzisa izinhlelo zokusebenza lapho ukuthembeka nokunemba kwezimpawu zokuphuma kubamba inani elibalulekile.Abaklami besifunda badonswa kulokhu kuvumelana nezimo njengoba kunesimo se-elekthronikhi bafuna ukubambelela kumazinga wokusebenza kanzima.

Ukuguquguquka kokuzungeza imiklamo yesifunda

Onjiniyela besifunda abanolwazi babona ukuguquguquka okuphawuleka okumangazayo kwe-UA741 kuzicelo ezahlukahlukene zesekethe, kufaka phakathi ukucubungula okulalelwayo, ukuhlunga kwesiginali, kanye nensimbi.Ukuvumelana kwayo ekusebenzeni naphezu kwe-v ariat ions ekushiseni nasekuhlinzekeni kwamandla akwakheka ukuvumelanisa kwayo kwezindawo ezisebenzayo zokusebenza.

Ukucatshangelwa okusebenzayo kokusetshenziswa okusebenzayo

Okuhlangenwe nakho okungokoqobo okuveze izinzuzo zokufaka i-UA741 ezinhlelweni ze-Foiceback Loop, kuvame ukuveza imigqa ethuthukisiwe futhi kuncishiswe izimo zokulinganisa eziphakeme kakhulu.Ukusetshenziswa kwamasu we-UA741 kungakhuthaza intuthuko ebonakalayo, hhayi nje ekuthuthukisweni kokukhipha kepha futhi nokusebenza kahle kohlelo.

Izakhi eziyinkimbinkimbi ze-OP-AMP Design

Lapho uklama i-OP-AMPPS, umuntu kufanele acabangele ukuvikelwa okuphezulu okuphezulu ngeso lokugcina ubuqotho besiginali nekhwalithi.Ukunakwa okunjalo kusiza ukuvikela ukulayisha umthombo wesiginali ngokweqile okungenza ngenye indlela eyamenyezelwa.Isibonelo, ukushuba okufakwayo okuphezulu kubalulekile kwizicelo zomsindo zokugcina ikhwalithi yomsindo ngaphandle kokonakaliswa.

Ukuqinisekisa uhla olujwayelekile lokufaka kanye nokuphepha kwesekethe

Ukuvikela ukuthi ibanga elijwayelekile le-OP-AMP-Mode lihlala ngaphakathi kwemingcele evumelekile liyisici esibalulekile sedizayini.Ukudlula ngale mikhawulo le mingcele kudala izimo eziyingozi zokuvuna.Lokhu kucatshangelwa kubamba umthelela obalulekile ezindaweni ezifana nezimoto noma zezimboni, lapho ukuguquguquka kwamandla kagesi kungajwayelekile.Ukuvikela ukujikeleza, njengoba abaningi sebebonile, ivikela ama-ops-amps, ukunweba ngokuphumelelayo isikhathi sabo sokuphila phakathi kwezinselelo ezinjalo.

Ukuqaphela izingqinamba ze-voltage eziphumayo ze-UA741

I-UA741 OP-OP-OP-OPP iletha ukulinganiselwa okukhethekile kokukhipha, ukungabi nesitimela-kuya kujantshi ngezitimela ezikhipha ama-voltages alandela amavolumu okuphakelayo cishe ngama-volts acishe abe ngu-2.Lezi zingqinamba zivela kusuka kuma-transtage angaphakathi we-transistor amaconsi futhi babambe iqhaza elithile kumiklamo yesifunda elibucayi, ithonya amakhono okukhishwa kwe-OP-AMP-AMP akhipha.

Impendulo Yokulawula Ukuqina Nokulawulwa Komsindo

Ukufaka ukucushwa okuvaliwe kwe-loop ngempendulo engemihle kusebenza ekuqiniseni inzuzo ye-OP-AMP.Le ndlela isiza ekunciphiseni umsindo ongafuneki, uqinisekise ukusebenza okubonakalayo nokuthembekile kuzo zonke izilungiselelo ezahlukahlukene.Njengoba kufakazelwe ezinhlelweni zomsindo nezokuxhumana, impendulo idlala indima ebalulekile ekulondolozeni ukungaguquguquki kanye nokuthembeka kokusebenza.

Ukuzulazula ukucatshangelwa okusebenzayo kwedizayini kanye nezithuthukisi

Abaqambi abanolwazi bavame ukuqaphela ukuthi ukukhethwa okunokwahlulela kwezakhi okulinganiselwe ngokucophelela iBhodi Lout Ukuhlolwa okuthinta kakhulu ukusebenza kwe-OP-AMP.Ukucabanga okuguqukayo okufana nokuqina kwezinga lokushisa kanye nokubekezelelana kwengxenye kubalulekile ekusunguleni kokusebenza okuphezulu.Ukungakunaki ama-nuances anjalo kungathela imiphumela ye-lifluster, ukugqamisa isidingo sokuhlelela kahle yonke imisebenzi yokuqamba.

Izicelo ezahlukahlukene

Ukuhlola ububanzi bezobuchwepheshe bomsindo

I-amplifier ye-UA741 yokusebenza idlala indima eguquguqukayo ezinhlelweni ezahlukahlukene ezihlobene nomsindo.Le ngxenye ebalulekile ibalulekile ekwakhiweni kwama-audio mixers kanye namadivayisi omculo aphathekayo, enikeza isisekelo esiqinile sokukhohlisa okuhle nokudlala.Amandla awo okushayela ama-amplifari anomsindo ophansi akhulisa ngokuphumelelayo okukhipha umsindo ngaphandle kokudonswa kwamandla okungadingekile.Ngaphezu kwalokho, i-UA741 ihlanganisa kahle ku-Wien Bridge Oscillators, iqinisekisa ukugcinwa kwemvamisa okuqinile futhi okuqondile - inqubo ehlonishwayo icele ukusebenza kohlelo lomsindo.Ukuvela kobuchwepheshe bomsindo kuhlale kusebenzisa ama-amps anjalo we-op ukuze alinganise ukwethembeka kwe-acoustic ukuphathwa kwezinsizakusebenza.

Izinto ezintsha kusipiliyoni semidiya

Ukungena ngaphandle kokusetshenziswa komsindo wendabuko, ama-Excels we-UA741 kumadivayisi wanamuhla wemidiya afana nabadlali be-DVD nabarekhoda, acebise ukucasha okulalelwayo ngokuphuma okuphezulu.Ithonya layo lifinyelela kumasekethe wokuqinisa umsindo, lapho kwakha khona kakhulu ivolumu futhi kuthuthukisa ukucaca okuzwakalayo.Ukubamba la ma-Dynamics angaguqula ukusetha okulula kwemidiya kube amasistimu womsindo athuthukile, ukucebisa uhambo lokuzwakalayo lwabasebenzisi.

Ukufinyelela okuphezulu ngaphakathi kwemibuthano yomsindo

Ngokombono wokuqamba, ehlanganisa amakhono we-UA741 endabeni ye-Audio Empolers Empowers ukubhekana nezinselelo zokunciphisa umsindo kanye nobuqotho besiginali.Ukuqonda okungokoqobo kukhombisa ukuthi kubekwe kahle ama-op-amps ngaphakathi komjikelezo kungakhulisa kakhulu ikhwalithi yomsindo.Lokhu kwenza ithuluzi le-UA741 libe yithuluzi elibalulekile kulona bobabili ama-audiophilel kanye nonjiniyela bomsindo onamava, njengoba bezula ezweni eliyinkimbinkimbi lokuthuthuka okulalelwayo.

Imodeli ye-2D nobukhulu

Datasheet pdf

Ama-datasheed we-UA741