Dave upgrades his HP/Agilent 53131A frequency counter with an ovenised oscillator module from ebay.<br />http://www.ebay.com.au/itm/121330209846<br />http://www.thinksrs.com/downloads/PDFs/Catalog/PRS10c.pdf<br />http://www.2917.com/EBAY-images/NOX012166/STP2145A.pdf<br />http://cp.literature.agilent.com/litweb/pdf/5967-6039EN.pdf<br />Forum: http://www.eevblog.com/forum/blog/eevblog-647-agilent-53131a-frequency-counter-oven-upgrade/<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/
