On Wed, 28 Jan 1998 09:49:58 -0500, you wrote: >Speaking of oscillators: outside of cost, what would the differences be >in using a ceramic resonator as opposed to a crystal (running @ 3.58Mhz on >a 16C54, for example)? (Temperature sensitivity?) Less PCB space if you use one with internal caps, poorer absolute & temp accuracy - I think typical variation is around 1%. ____ ____ _/ L_/ Mike Harrison / White Wing Logic / wwl@netcomuk.co.uk _/ L_/ _/ W_/ Hardware & Software design / PCB Design / Consultancy _/ W_/ /_W_/ Industrial / Computer Peripherals / Hazardous Area /_W_/