If you are using oscillator modules you neither need nor want caps. If you are using crystals you need and want caps. Bob Ammerman RAm Systems (contract development of high performance, high function, low-level software) ----- Original Message ----- From: "Nick Veys" To: Sent: Sunday, June 10, 2001 9:03 PM Subject: [PIC]: Downsides to these oscillators? > Hey, I've been looking for a nice, simple oscillator to use in my projects. > My last one, a 16F84 project used a 4MHz full can style oscillator, didn't > use any caps on it, and it was a fairly time-critical project and it worked > just fine. > > Now I'm on a 16F870, using a 20MHz CTS Reeves MXO45 1/2-can oscillator. > Again w/o caps, testing my busy waits shows it to be very accurate (not a > perfect test, but still). I'm wondering what the downside to this is. > Anyone care to shed some light on the adv/disadv of doing this? > > I'm assuming the caps are for voltage stability? So in my final build I'll > probably toss them in. But how necessary are they really? > > nick@veys.com | www.veys.com/nick > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu > > -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu