https://stream.echo6.co/videos/watch/873fa492-8ace-4629-aed2-6865a90e1e94 Dave explains, shows, and measures a potentially big trap with using high value ceramic capacitors. Is your 10uF capacitor really 10uF in your circuit? You might be shocked! Those humble X7R caps you think are a "stable" dielectric? think again... Class II and above ceramic capacitors can vary their capacitance drastically with DC bias voltage level and also the applied AC voltage. Links: http://www.murataamericas.com/murata/murata.nsf/promo_dcbias.pdf http://www.avx.com/docs/masterpubs/mccc.pdf http://www.ece.ucdavis.edu/vcl/asap/asap_v1/docs/X7R_C.pdf http://psearch.murata.com/capacitor/product/GRM21BR60J106KE19%23.html http://www.murata.com/products/design_support/simsurfing/outline.html http://www.avx.com/SpiApps Capacitor Tutorial - Ceramics & Impedance https://www.youtube.com/watch?v=TDDoi70cxw0 The piezoelectric effect demonstrated: https://www.youtube.com/watch?v=KFCRB4d991E Forum: http://www.eevblog.com/forum/blog/eevblog-626-ceramic-capacitor-voltage-dependency-download/ EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ Wed, 10 Jun 2026 07:04:19 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/873fa492-8ace-4629-aed2-6865a90e1e94 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.