Warranty VOID if NOT Removed T-Shirt:<br />http://teespring.com/warrantyvoid2<br />What's inside a 1975 vintage Tektronix 213 portable oscilloscope/DMM combo?<br />Forum: http://www.eevblog.com/forum/blog/eevblog-628-tektronix-213-vintage-portable-oscilloscope-teardown/<br />High res teardown photos here: http://www.eevblog.com/2014/06/11/eevblog-628-tektronix-213-vintage-portable-oscilloscope-teardown/<br /><br />Specs: http://www.teknetelectronics.com/DataSheet/TEKTRONIX/TEKTR_21325410.pdf<br />Brochure: http://www.testequipmentconnection.com/specs/Tektronix_213.PDF<br /><br />Datasheets:<br />Trigger Chip: http://w140.com/155-0048-01.pdf<br />Decade Counter: http://www.datasheetarchive.com/dlmain/Databooks-2/Book271-73.pdf<br /><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/
