Hi If your application is happy with 0.1% accuracy, you use a simple crystal that costs < 10 cents. If your application requires <0.001% accuracy, you probably are better off using a packaged oscillator.
Bob > On Mar 13, 2017, at 8:11 PM, Hal Murray <hmur...@megapathdsl.net> wrote: > > > jim...@earthlink.net said: >> what about cheap crystals for microcontrollers.. I think the Arduino, for >> instance, uses a crystal (and the oscillator electronics are inside the >> Atmel part) > > I assume you can save a few pennies if you use a raw crystal rather than an > oscillator. That probably matters in high volume low cost applications. > > Atmel has the technology for making oscillators. That's an analog-ish corner > on what is mostly a digital chip. A lot of their chips are low standby power > which generally means an older digital process with thicker oxides that don't > leak as much. That probably makes analog corners easier, but I'm far from a > wizard at that area. > > -- > These are my opinions. I hate spam. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.