On 26/12/2012 22:42, David wrote: > Hi, >=20 > I have recently started doing more analog and RF work rather than simply > digital. As part of this I have been playing with different filter > networks and a small RF power amp (carrier is 4Mhz). >=20 > I am still confused what kind of inductors I should be using for both of > these. In response to my own thread, here's a humourous PDF from TDK. http://www.global.tdk.com/news_center/publications/inductors_world/pdf/aaa6= 0300.pdf And a nice selection of chip inductors from Murata (excellent data to correlate with the discussion in this thread): http://www.murata.com/products/catalog/pdf/o05e.pdf David --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .