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 Forum index » DIY Hardware and Software » Thomas Henry designs
SN-Voice bare PCB
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bijlevel



Joined: Sep 20, 2014
Posts: 26
Location: Delfgauw, The Netherlands

PostPosted: Sun Apr 19, 2015 2:29 am    Post subject: SN-Voice bare PCB
Subject description: help requested on choosing the right parts and building instructions
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Today I received the SN Voice PCB (revision March 2014) and started looking for the right parts. A few questions:
- is a parts kit (still) available? (State Machine - Bill?)
if not:
- can all the capacitors be of the disc type, except of course the electrolytic?
- is there a replacement for the LM394 DIP? BTW on Aliexpress (China) one can still buy loads of them, but are they trustworthy?
- where does C15 (0.22 uF) go. It's not on the PCB...

Are building instructions available as one PDF from "someone" or should I gather all pieces of information from searching this forum?
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bijlevel



Joined: Sep 20, 2014
Posts: 26
Location: Delfgauw, The Netherlands

PostPosted: Mon Apr 20, 2015 2:38 am    Post subject: Reply with quote  Mark this post and the followings unread

After all I did find the most answers in the SN Voice documentation posted on this forum. Still I have the question what kind of capacitors to use.
I did order one LM394CN (DIP), but would like to know what are the alternatives, besides DIY-matching of transistors.
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