Audio/Interface PCB?


I've been thinking of making an Audio/Interface PCB for the BITX40/uBITX.

What would be good to have on it?
  Microphone Speech Processor: Jeff Cummings's design using the SSM2167
  AGC:  Which is the current favorite?

What else?
  Easy-Digi circuit if I can get permission or a footprint for the module(?)

I'm thinking of releasing the Gerber files and let folks get their own boards
made.  AllPCB's price went up to $2.10 per board for 100x100mm.

John Sutter
W1JDS CM87xi

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