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 Forum index » DIY Hardware and Software » The layout factory
LM13600 VCA 1 (Dual)
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vladosh



Joined: Aug 02, 2010
Posts: 407
Location: macedonia
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PostPosted: Sat Nov 12, 2011 10:27 am    Post subject: LM13600 VCA 1 (Dual) Reply with quote  Mark this post and the followings unread

This is by schematic from Jurgen Bergfors , i may have some errors so i'll check it few times before soldering .
Greetings
transistors are BC560 ..this is a link to the schematic http://hem.bredband.net/bersyn/VCA/lm13600%20vca%201.htm


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LektroiD



Joined: Aug 23, 2008
Posts: 977
Location: Scottish Borders
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G2 patch files: 2

PostPosted: Sun Nov 13, 2011 11:51 pm    Post subject: Reply with quote  Mark this post and the followings unread

Is it me, or are the links I've highlighted not needed? They seem to connect to nothing.

I presume the transistors are the rows of 3 oversized holes with the letter 'E' indicating Emitter.

Also, what is the unusual stripboard you are using? I've not come across that before. It's going to take some work converting to standard layout.


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vladosh



Joined: Aug 02, 2010
Posts: 407
Location: macedonia
Audio files: 3

PostPosted: Mon Nov 14, 2011 5:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Smile , thanks for checking the layout ,the one on the left is not needed ,i made the expo converter first there and then moved it to the right so it's a leftover , the other ones are needed if you can see in the layout heh it's hard to see .. i use one node to connect two jumpers so both 12K resistors are connected to plus voltage , same a bit lower what looks as one jumper is actually 2 wires both on the same node to ground , for decoupling and going to the base of the transistor right , i just wanna make it cleaner that's why . E - is emiter right .for the stripboard i got them from Ebay some canadian company pixel print - i think , they are called special veroboard , good for smaller projects .
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