tag:blogger.com,1999:blog-8929626494440787396.post8815748494273021010..comments2024-02-27T12:12:31.539+02:00Comments on RO ELECTRONICA: AMPLIFICATOR AUDIO CU 2N3055 SI ALIMENTARE ASIMETRICA +/-20VCatahttp://www.blogger.com/profile/04968021374877280182noreply@blogger.comBlogger20125tag:blogger.com,1999:blog-8929626494440787396.post-17420881785587962312023-12-14T20:12:27.874+02:002023-12-14T20:12:27.874+02:00O poză cu sursa dacă se poate
Mulțumesc anticipat ...O poză cu sursa dacă se poate<br />Mulțumesc anticipat .Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-51767012349739729302022-09-28T13:00:07.487+03:002022-09-28T13:00:07.487+03:00Hello!
Have you a printable ersion about layout?
M...Hello!<br />Have you a printable ersion about layout?<br />Many thankszoaryhttps://www.blogger.com/profile/03705629463504995638noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-79162918420900225062020-05-11T10:24:50.315+03:002020-05-11T10:24:50.315+03:00Nu schimbi nimic. Trebuie sa ai grija doar la elec...Nu schimbi nimic. Trebuie sa ai grija doar la electrolitici sa lucreze la o tensiune mai mare decat ce apici tu.<br /><br />StimaCatahttps://www.blogger.com/profile/04968021374877280182noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-38204005621537528362019-11-20T16:54:29.036+02:002019-11-20T16:54:29.036+02:00Salutare! O rugaminte mare: ce componente ar trebu...Salutare! O rugaminte mare: ce componente ar trebui inlocuite astfel incat aceasta schema sa se poata alimenta la +/- 33Vcc? Mersi anticipat! victor adrianhttps://www.blogger.com/profile/06097424852620114639noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-63125736897739754262019-04-17T15:13:36.481+03:002019-04-17T15:13:36.481+03:00+/-17V DUPA REDRESARE VA PORNI AM UN TRANSORMATOR...+/-17V DUPA REDRESARE VA PORNI AM UN TRANSORMATOR TEHNIC CU SARMA GROSA SCOATE PE PUTIN 5 A 24V CU MEDIANA ADICA +/-12V Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-36116762091433060992013-04-17T21:15:53.065+03:002013-04-17T21:15:53.065+03:00Nu prea....dupa redresare ar ajunge undeva la 35 s...Nu prea....dupa redresare ar ajunge undeva la 35 sau 38 de V cc. Schema iti recomand sa o pastrezi asa...nu mai modifica nimic...pentru puteri mai mari sunt destule scheme usoare cu finali IRFP 240 si IRFP 9240....dar astia sunt mosfeturi si trebuie sa ai grija cu le reglezi ca sa nu arzi ceva....Catahttps://www.blogger.com/profile/04968021374877280182noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-81920647942498416952013-04-15T21:51:52.065+03:002013-04-15T21:51:52.065+03:00am un transformator de 27V, dupa redresare ar ajun...am un transformator de 27V, dupa redresare ar ajunge la 45 v cam asa nu ? daca pun aceasta schema pe acest traf sii modific c-urile de la intrare va scoate mai mult de 20 W ?, sau mai aveti cumva postat vre-o schema + pcb lafel de usoara dar de putere mai mare cu 2n3055 ? + lista de piese ?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-42681195326779532562013-02-25T12:45:09.068+02:002013-02-25T12:45:09.068+02:00Iata si lista cu componente:
R1= 1K
R2= 39k
R3= 1...Iata si lista cu componente:<br /><br />R1= 1K<br />R2= 39k<br />R3= 18k<br />R4= 100R<br />R5= 220R<br />R6= 2k2<br />R7= 100R<br />R8= 100R<br />R9= 39k<br />R10= 1k<br />R11= 10R/3W<br /><br />C1= 1uF (bipolar sau nepolarizat)<br />C2= 33pF<br />C3= 470uF (polarizat)<br />C4= 10nF<br /><br />Q1=BC549<br />Q2=BC549<br />Q3=BC327<br />Q4=BC549<br />Q5=BC337<br />Q6=BC337<br />Q7=BC327<br />Q8=2N3055<br />Q9=2N3055<br /><br />k= KILOHMI<br />R= OHMI<br />uF= MICROFARAZI<br />nF= NANOFARAZI<br />pF= PICOFARAZI<br /><br />Va doresc succes!!!!Catahttps://www.blogger.com/profile/04968021374877280182noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-53907090954015329852013-02-24T22:02:24.378+02:002013-02-24T22:02:24.378+02:00buna ziua, imi puteti face va rog o lista cu toate...buna ziua, imi puteti face va rog o lista cu toate componentele necesare pentru amplificator? v-as ramane recunoscator deoarece sunt incepator si doresc sa-mi fac un amplificatorBig Manhttps://www.blogger.com/profile/15854164833583546893noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-5628304829811854962013-02-21T14:02:06.443+02:002013-02-21T14:02:06.443+02:00Se poate da....ai grija C3 sa fie la minim 40VSe poate da....ai grija C3 sa fie la minim 40VCatahttps://www.blogger.com/profile/04968021374877280182noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-8494115582442937622013-02-21T09:03:40.977+02:002013-02-21T09:03:40.977+02:00daca pun montaju pe transformatorul de la electron...daca pun montaju pe transformatorul de la electronica 3220 care are 32 v este vre-o problema ?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-12341762275455767012012-09-11T02:09:54.838+03:002012-09-11T02:09:54.838+03:00cablajul in format pdf unde il pot gasi?cablajul in format pdf unde il pot gasi?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-85089984559686048722011-12-27T08:20:26.232+02:002011-12-27T08:20:26.232+02:00Daca realizarea este corecta poti atinge undeva la...Daca realizarea este corecta poti atinge undeva la 20W RMS.Catahttps://www.blogger.com/profile/04968021374877280182noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-15921142314609761442011-12-26T20:03:34.421+02:002011-12-26T20:03:34.421+02:00ce putere arece putere areAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-20132542109139147002011-06-07T11:30:41.437+03:002011-06-07T11:30:41.437+03:00da.redresati.multumesc mult. numai bineda.redresati.multumesc mult. numai binetitinoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-4032774571400245352011-06-06T07:56:14.969+03:002011-06-06T07:56:14.969+03:00Merge si la +-28 fara sa faci modificari...dar nu ...Merge si la +-28 fara sa faci modificari...dar nu mai mult...presupun ca e vorba de 28V redresati nu???Catalinnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-75851103178661861052011-06-04T09:21:56.641+03:002011-06-04T09:21:56.641+03:00se va intampla ceva nedorit daca o sa alimentez mo...se va intampla ceva nedorit daca o sa alimentez montajul la +-28V?? pentru ca nu am alta traf mai apropiat ca tensiune. multumesc anticipattitinoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-84159979627248473192011-05-30T08:00:55.660+03:002011-05-30T08:00:55.660+03:00Cerculetul mic este intrarea si este legat la R1 i...Cerculetul mic este intrarea si este legat la R1 iar cerculetul mare este legat la GND ...deci ai doua borne acolo....una e intrarea si a doua este masa(GND)<br /><br />Urmeaza sa postez si cablajul asa o sa fie mai usor de inteles care ce componenta e si ce reprezinta.Catalinhttp://roelectronica.blogspot.comnoreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-59968271865108603972010-11-05T10:12:13.940+02:002010-11-05T10:12:13.940+02:00C1 de pe intrare are exact valoarea din schema ......C1 de pe intrare are exact valoarea din schema ...adica 2uF nepolarizat la o tensiune mai mare decat densiunea de alimentare. Se gasesc conzi de 2 sau 2,2uF la 63V nepolatizat in comert fara probleme.Se poate pune unul din recuperari sau poti pune 2 condensatori de 1uF nepolarizati in paralel ca sa obtii 2uF.<br />Retineti ca e bine sa fie cat mai de calitate. Merge pus si electrolitic dar nu recomand. Componente de calitate -> rezulta amplificatoare si montaje de calitate.<br />Bafta si la cat mai multe montaje.Catahttps://www.blogger.com/profile/04968021374877280182noreply@blogger.comtag:blogger.com,1999:blog-8929626494440787396.post-29550548450867192762010-11-04T14:56:52.396+02:002010-11-04T14:56:52.396+02:00Buna schema pt un mic amator...Insa ce valoare are...Buna schema pt un mic amator...Insa ce valoare are condensatorul C1 la intrare?Anonymousnoreply@blogger.com