Neumann OA10

Hi guys!

I made my own PCB for this project home etching with laser toner transfer method,assembled all parts!And when i go to tested it didnt work!

Nothing was clear to me cause i assembled like Audiox layout is!

Than i check pinout of BC212B and saw that different company has different pinout, Fairchild and On semiconductor is the same but Motorolas are totaly

different!

Others transistors companies are most the same!BC182B is the same for Fairchild ,On semiconductor, Motorolas!

BC337 is the same, but for BC327 is different!

So this probably is my problem different pinout...!?


Cheers

It's a good first step.  Have to put parts with the correct pin orientation. I find it weird that they would do a different pin out on their part version vs another company but anything is possible.

Me to ,its very wierd...

Here is info...http://www.datasheetcatalog.org/datasheet/on_semiconductor/BC212-D.PDF,http://www.datasheetcatalog.org/datasheet/motorola/BC213.pdf'

Cheers

http://www.datasheetcatalog.org/datasheet/on_semiconductor/BC212-D.PDF

http://www.datasheetcatalog.org/datasheet/motorola/BC213.pdf