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donpetru

Scheme de amplificatoare audio

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DonPetru, postez aici, pe topicul initiat de dumneavoastra, o schema de amplificator JF, publicata de un site in limba ceha. Datorita faptului ca montajul este explicat in amanunt, cred ca va fi considerata interesanta.

Iata adresa: http://www.lf-pro.ne...e/symasym5.html

 

Editare Administrator - Performantele schemei de amplificator de pe site-ul ceh inditulata Symasym5 sunt urmatoarele (Ualimentare=+/-36Vcc):

- frecventa test sinus: 50Hz; Vin=493mVef, Z=4Ohm >>> Pz=100,03W; THD=0,022%, Curentul prin finali aprox. 2,226Aef;

- frecventa test sinus: 1kHz; Vin=493mVef, Z=4Ohm >>> Pz=100,11W; THD=0,023%, Curentul prin finali aprox. 2,227Aef;

- frecventa test sinus: 15kHz; Vin=493mVef, Z=4Ohm >>> Pz=99,24W; THD=0,4%, Curentul prin finali aprox. 2,588Aef.

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AX14 APEX Amplifier.jpg APEX B50.jpg B200 Apex with TDA7294 brigde.jpg N10 APEX Mosfet.jpg

PSU Apex Amplifiers.jpg PCB Apex TDA7294 in punte.jpg PCB PSU Apex Amplifiers.jpg

 

numai bine

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Guest alex mm

O schema mult discutata pe Diy Audio .....

Cablaj imprimat proiectat de mine ...executat in Hong Kong

 

Si un mic progres in echiparea placii..... :unknow:

GOLDMUND.pdf

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ZECK MOSFET-BJT classH.JPG 30W MOSFET decembrie 1980.gif 200W MOSFET Iulie 1984.gif

100W MOSFET august 1982.gif 500W_MJL21193_21194.jpg

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Un amplificator audio in clasa D:

Amplificator audio de 170W in clasa D.gif

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Doua scheme de amplificatoare:

 

1. Titan 2000:

post-6082-034475900 1305919076_thumb.jpg post-6082-093060100 1305918847_thumb.gifpost-6082-019570400 1305919410_thumb.jpg

 

2. Amplificator audio MOSFET PHILIPS:

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Edited by iuly2010

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2. Amplificator audio MOSFET PHILIPS:

post-6082-030943100 1305918832_thumb.jpg

Aceeasi schema dar cu alti finali IRF540+cablaj:

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Interesanta schema si nu foarte complexa,as fi curios cum merge.

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