On Wed, 14 Aug 2002 19:07:08 +0300 Mike Singer writes: > Harold M Hallikainen wrote: > > Also, remember that setting a 12 MHz oscillator to > > within 1 Hz means it isn't going to stay there. > > That's 0.1 ppm. Really good crystal oscillators > > (with temperature compensation or ovens) can maybe > > do 1 ppm or so. > > Yes, from Electronicstalk.com: > > "The FTS501AH OCXO offers a frequency stability of > +/-250ppb over the standard temperature range of 0 to 70C" > > (ppb = 1000 ppm ?) > Probably, unless you're in England where a billion is a million million (10^12), whereas in the US, it's a thousand million (10^9). Glad we speak the same language??? Harold FCC Rules Online at http://hallikainen.com/FccRules Lighting control for theatre and television at http://www.dovesystems.com Reach broadcasters, engineers, manufacturers, compliance labs, and attorneys. Advertise at http://www.hallikainen.com/FccRules/ . ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu