How diode bridge protection across a shunt resistor in a multimeter works, and why the fuse blows before the diode does on a well designed multimeter like the Fluke.<br />A followup to the previous video on Multimeter input protection:<br />http://www.youtube.com/watch?v=zUhnGp5vh60<br /><br />Fluke 27 Service Manual: http://www.testmart.com/webdata/mfr_pdfs/FLU/27______smeng0100.pdf<br /><br />Bussman Fuse Datasheet: http://media.digikey.com/pdf/Data%20Sheets/Cooper%20Bussmann%20PDFs/DMM-B.pdf<br />LittleFuse Datasheet: http://www.littelfuse.com/data/en/Data_Sheets/Littelfuse_Fuse_FLU.pdf<br />DF02 Diode Bridge Datasheet: http://www.vishay.com/docs/88573/dfs.pdf<br />1N4007 Datasheet: http://www.diodes.com/datasheets/ds28002.pdf<br /><br />EEVblog Main Web Site:<br />http://www.eevblog.com<br />EEVblog Amazon Store:<br />http://astore.amazon.com/eevblogstore-20<br />Donations:<br />http://www.eevblog.com/donations/<br />Projects:<br />http://www.eevblog.com/projects/<br />Electronics Info Wiki:<br />http://www.eevblog.com/wiki/
