(HP-65) PC Board Vibration Frequency - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Software Libraries (/forum-10.html) +--- Forum: HP-65/67/97 Software Library (/forum-12.html) +--- Thread: (HP-65) PC Board Vibration Frequency (/thread-12679.html) |
(HP-65) PC Board Vibration Frequency - SlideRule - 03-25-2019 12:55 PM An extract from The Use of Acoustic Emission to Determine the Integrity of Large Hybrid Packages, US Dept. of Comm., NBS-NEL, NBSIR 80-2055, JUN 1980, 41 pgs. * A program for calculating eq (1) (fixed boundary conditions) appropriate to hand-held calculators using inverse polish notation is included in the appendix, since this is the boundary condition most used for PC boards in avionics equipment. A similar program for eq (2) is available on request to the author. APPENDIX Pocket Calculator Programs for PC Board Vibration Frequency and the Bending of Kovar Leads crd-1 Beam Bending and Beam Slope f(x) crd-2 PC Board, Resonant Frequency (Fixed Edges) BEST! SlideRule ps: alternate download at Archive.Org |