[time-nuts] IRIG B

jimlux jimlux at earthlink.net
Wed May 26 03:36:16 UTC 2010

Bob Camp wrote:
> Hi
> Audio codecs (especially monophonic ones) are pretty cheap these days.
> Depending on volume they can get to the sub $1 range. Even in small quantity
> they are below $4. That makes them a pretty tempting "front end" for a send
> / receive box.
> Bob

i would think, given that the audio carrier is 1kHz-ish, that almost any 
of the small microcontrollers would work, using a single bit in/out with 
some RC signal conditioning.  Maybe a bit of a challenge for the 
receive.. you'd need two inputs with different resistors.

More information about the time-nuts mailing list