Peter van Hoof wrote: > I have a bag of the ZTT-20.00MT ones (digikey partno:X909-ND) that I use > on the 16f877 with 100% success. I use the HS oscilator mode.(highest gain) > Peter > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Marius Bratrein > Subject: acceptable resonators for PIC MCUs > Does anyone have experience using a ceramic resonator at clock speeds > greater than 16 mhz? Can anyone tell me which resonators will work? I > have tried an ECS ZTT series 20mhz resonator, but as far as I can tell, > the PIC does not have enough gain to drive it. Thanks I know Jim at Newfound has tried the ZTT-20.00MT in his proto warp-xx for 876's and had it working fine. I just got bags of them from 4mhz right up to 20mhz (they don't manufacture higher frequencies), so I'm sure I will find out very soon. :-) Be interesting to see how they go on AVR's also. Don McKenzie mailto:don@dontronics.com http://www.dontronics.com World's Largest Range of Atmel/AVR and PICmicro Hardware and Software. Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html