You need the gate volt-drain current curves to match the nuvistor grid-plate characteristic and the fet breakdown voltage has of course got to be high enough. I've gotten nuvistors at pretty reasonable cost on ebay... Don
Ron Ward > Hi: > I have been thinking of doing the same thing! I have some 2N301 dual > gate MOSFET's that I want to use. I would rather consider successful > conversions done by others rather than reinvent the wheel. > Ron > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of Merchison Burke > Sent: Wednesday, July 04, 2012 8:19 PM > To: time-nuts@febo.com > Subject: [time-nuts] HP 117/10509a > > Hello, > > Has anyone successfully replaces the Nuvistors in the 117 and the 10509a > > with FETs. I would like to replace them with inexpensive FETs instead of > > buying the expensive Nunistors. > > Thanks for all help, > Merchison > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- "Neither the voice of authority nor the weight of reason and argument are as significant as experiment, for thence comes quiet to the mind." R. Bacon "If you don't know what it is, don't poke it." Ghost in the Shell Dr. Don Latham AJ7LL Six Mile Systems LLP 17850 Six Mile Road POB 134 Huson, MT, 59846 VOX 406-626-4304 www.lightningforensics.com www.sixmilesystems.com _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
