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 Forum index » DIY Hardware and Software » Ken Stone designs - CGS
bc547 for bc548 in rene schmitz VCA?
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rjd2



Joined: Sep 02, 2007
Posts: 236
Location: philly

PostPosted: Tue Aug 11, 2009 1:11 pm    Post subject: bc547 for bc548 in rene schmitz VCA? Reply with quote  Mark this post and the followings unread

hey folks, ive got a bunch of 547's and 557's laying around, however no 548's/558's.

i see that the max current of the 548 is higher than the 547; is it a viable substitute, or no?

also, the dual NPN pair; would 2n3904 or 2n3906 work there? ive got some matched pairs i could use. thanks much.
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andrewF



Joined: Dec 29, 2006
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Location: australia
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PostPosted: Tue Aug 11, 2009 4:20 pm    Post subject: Reply with quote  Mark this post and the followings unread

should be fine, I used generic Japanese transistors in mine (C1815, A1015), which i use for all CGS circuits.

Not the 2n3906 for the matched pair tho - its PNP
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