DIP packages & the 555

afra at aurigae.demon.co.uk afra at aurigae.demon.co.uk
Thu Sep 23 11:25:13 CDT 2010


Quoting Dave McGuire <mcguire at neurotica.com>:

>   I designed 555s into a commercial product in 2002 and again in  
> 2004.  I needed a ~455KHz carrier generator for an IR data  
> transmitter, and a 555 was the easiest way to do it.

Would a crystal oscilator not have been beter for this ? I seem to  
remember 555s as having a rep for not being perticually  
accurate.....though I guess if it was good enough for your app, it's  
prolly the simplest/cheapest solution.

Cheers.

Phill.


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