Jump to content
ELFORUM - Forumul electronistilor

Echivalente


Guest Filip Cristian

Recommended Posts

Guest Filip Cristian

Va rog sa-mi spuneti si mie cu ce as putea inlocui doua diode care stabilesc tensiunile in bazele a doua tranzistoare final si prefinal in etajul de emisie dintr-in President Jackson, notate de producator in schema originala MVI-Y respectiv MVI.Y ? Va multumesc

Link to comment
Share on other sites

  • Replies 1
  • Created
  • Last Reply
Guest mister_rf

Cele doua diode sunt diode cu siliciu... acum vor fi mici diferente daca se utilizeaza o dioda de tip 1N4148, 1N4007 sau BA157. Solutia corecta se poate afla prin incercari... Prima data foloseste diode de tipul BA157-BA159 si apoi 1N4148, 1N4154...

Dupa inlocuirea diodelor, se va regla curentul de colector al tranzistoarelor finale, pornind cu VR9 de la valoarea minima si cu VR10 de la valoarea maxima... ai indicatiile aici:

http://www.cbsite.nl/modif/president/ja ... ck_tra.htm

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.




×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.Terms of Use si Guidelines