> I agree. And I should have clarified - one uses a hair dryer to > generally heat the ambient air nearby the device in question. You can > use a thermometer to sense the external or internal case temperature > to limit the temperature rise to 10 C or something sane. Do not, of > course, blast the poor thing with 1500W of direct heat.
I was thinking of a light bulb and a variac/dimmer. > One problem with that approach is that crystals that are not intended > for oven operation are optimized for minimum frequency change over 0-50 > or some other "normal" environment temperature range, and at 75 degree C > or wherever you are going to run the oven at, the temperature > sensitivity might be much greater than around 25 degrees. So even though > the oven might reduce the temperature variation by a factor of 10 or > better, the overall frequency sensitivity may not improve by the same > factor.. How about making a graph of freq vs temp for your crystal and see if there is a flat spot at a convenient temperature? -- The suespammers.org mail server is located in California. So are all my other mailboxes. Please do not send unsolicited bulk e-mail or unsolicited commercial e-mail to my suespammers.org address or any of my other addresses. These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
