EMRFD Message Archive 7373
Message Date From Subject 7373 2012-03-29 01:54:46 ha5rxz Filter Crystals - A Quick Question If I want to build a filter at a custom frequency of 40.0848 MHz do I order series resonant or (say) 10pf parallel at this frequency?
7374 2012-03-29 03:55:14 Leon Heller Re: Filter Crystals - A Quick Question 7376 2012-03-30 03:53:17 Tim Re: Filter Crystals - A Quick Question Since you specify a center frequency precise to 100Hz I'm going to assume that's an important value to you. 100 Hz out of 40MHz is about 2.5 parts per million. That's pretty dang tight.
Best in one iterati