Good input, Joe. Now we know that the NTE device is safe. That probably means the Drake circuit used some explicit frequency compensation and didn't rely on the slow power transistor for stability.
Dennis AE6C On Fri, Jul 10, 2009 at 10:49 PM, Joe Pyles <epy...@indy.rr.com> wrote: > I've replaced the audio output device in a couple of 2C's with the NTE175 > and had NO oscillation problems. > > 73, Joe Pyles KC9LAD > > > At 11:35 PM 7/10/2009, you wrote: > > I do NOT recommend the NTE175. It is high speed high voltage switching > transistor. Because it is a double-diffused device about 50 times faster > than the original part, the circuit may oscillate. > > Dennis AE6C > > On Fri, Jul 10, 2009 at 3:57 AM, Joe Pyles <epy...@indy.rr.com> wrote: > > NTE175 is listed as replacement. > > 73, Joe Pyles KC9LAD > > > At 09:27 AM 7/8/2009, you wrote: > > Hi folks, > > I am in the need to change the output audio transistor 40310 in my > drake 2-C. Is there a modern equivalent of the 40310 so I can easily > replace it? > > 73, > > iz2oos > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > > > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > > > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > >
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