Got my 2N1701 in a T08! Ebay won the day. Two for $20 plus $5 postage. Much more reasonable!
Regards, Jim 2009/8/11 Don Latham <[email protected]>: > wow. Same thing is happening to ebay. shipping is simply killing a lot of > small stuff I like... > Don > > ----- Original Message ----- From: "Jim Palfreyman" <[email protected]> > To: "Discussion of precise time and frequency measurement" > <[email protected]> > Sent: Monday, August 10, 2009 7:37 PM > Subject: Re: [time-nuts] HP 106B quartz frequency standard...the story > > >> Yep this is where I found it too. Looks like an excellent shop. US$22 >> postage is steep too. >> >> Jim >> >> >> 2009/8/11 Don Latham <[email protected]>: >>> >>> Also, the following: >>> http://www.sphere.bc.ca/test/ >>> is one of the best spare parts sites for test equipment that I know of. >>> they're good folks. >>> Don >>> >>> Jim Palfreyman >>>> >>>> Hi all, >>>> >>>> The transistor in my unit (not a 4B model!) is 1854-0015. Lots of those. >>>> >>>> If someone can confirm this is identical to 1854-0003 I'll use it. >>>> Otherwise I may have to take up one of the very kind offers! >>>> >>>> On the 2N1701 - it has to be in a T08 package. This transistor sits in >>>> a special heat sink that is bolted to the oven wall. So unfortunately >>>> I can't substitute. >>>> >>>> Regards, >>>> >>>> Jim >>>> >>>> >>>> 2009/8/11 ron hunt <[email protected]>: >>>>> >>>>> Hi!I Have The Exact 1854-0003 HP Part.If You Still Need It I Will Be >>>>> Happy To Send It No Charge.I May Need Some Help Some Day.Let Me Know >>>>> Your Shipping Address. >>>>> >>>>>> Date: Sun, 9 Aug 2009 19:15:33 -0600 >>>>>> From: [email protected] >>>>>> To: [email protected] >>>>>> Subject: Re: [time-nuts] HP 106B quartz frequency standard...the story >>>>>> >>>>>> carefully crack open the old to8 can to expose the leads internally, >>>>>> strip >>>>>> out the old transistor and cobble the to220 on top with appropriate >>>>>> leads. >>>>>> The to220 should fit under one of the old mounting screws? one >>>>>> direction >>>>>> will give the base and emitter connections properly. >>>>>> Don >>>>>> Jim Palfreyman >>>>>> > Thanks for that! - I do have a number of the 5254L units and one of >>>>>> > them is now being eyed off for organ donation. So thanks to all >>>>>> offers >>>>>> > for the 1854-0003. >>>>>> > >>>>>> > The 2N1701 in a T08 is my next quest... >>>>>> > >>>>>> > 2009/8/10 Dave M <[email protected]>: >>>>>> >>> Hi all, >>>>>> >>> >>>>>> >>> Latest update. >>>>>> >>> >>>>>> >>> With some help and phone calls from Bill the fault seems to have >>>>>> been >>>>>> >>> isolated. I have removed Q11 from inside the oven and it is >>> >>>>>> >>> cactus. >>>>>> Q9 >>>>>> >>> is also very suspect so I'm going to replace that for good >>> >>>>>> >>> measure. >>>>>> >>> >>>>>> >>> Q9 is a 2N1701 in a T08 package. Thanks to various people I should >>>>>> be >>>>>> >>> able to track one down. Q11 is marked as 1854-0003 and that's an >>>>>> >>> >>> HP >>>>>> >>> internal number and all I know. Might have to substitute that one. >>>>>> >>> >>>>>> >>> After all this I have some quality photos and can knock up some >>>>>> good >>>>>> >>> descriptions of the repairs and the 106B internals if anyone is >>>>>> >>> interested. Any websites hanging around that want to take what I >>>>>> have? >>>>>> >>> >>>>>> >>> Regards and thanks to all! >>>>>> >>> >>>>>> >>> Jim Palfreyman >>>>>> >>> >>>>>> >>> >>>>>> >> >>>>>> >> >>>>>> >> Jim, the 1854-0003 is a pretty common HP part in older eqpt. If you >>>>>> >> have >>>>>> >> junked 5245L counter handy, it's full of them, especially in the >>>>>> decade >>>>>> >> counter PCBs. If you don't have one handy, I have an assembly here >>>>>> with >>>>>> >> 8 >>>>>> >> of them on it. If you like, I can send it right away (if you're >>>>>> outside >>>>>> >> the >>>>>> >> USA, you pay postage). >>>>>> >> >>>>>> >> Dave M >>>>>> >> masondg44 at comcast dot net >>>>>> >> >>>>>> >> I went to a bookstore and asked the saleswoman, "Where's the >>>>>> >> self-help section?" She said if she told me, it would defeat the >>>>>> >> purpose. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> _______________________________________________ >>>>>> >> time-nuts mailing list -- [email protected] >>>>>> >> To unsubscribe, go to >>>>>> >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>>>> >> and follow the instructions there. >>>>>> >> >>>>>> > >>>>>> > _______________________________________________ >>>>>> > time-nuts mailing list -- [email protected] >>>>>> > To unsubscribe, go to >>>>>> > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>>>> > and follow the instructions there. >>>>>> > >>>>>> >>>>>> >>>>>> -- >>>>>> 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 -- [email protected] >>>>>> To unsubscribe, go to >>>>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>>>> and follow the instructions there. >>>>> >>>>> _________________________________________________________________ >>>>> Get free photo software from Windows Live >>>>> >>>>> http://www.windowslive.com/online/photos?ocid=PID23393::T:WLMTAGL:ON:WL:en-US:SI_PH_software:082009 >>>>> _______________________________________________ >>>>> time-nuts mailing list -- [email protected] >>>>> To unsubscribe, go to >>>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>>> and follow the instructions there. >>>>> >>>> >>>> _______________________________________________ >>>> time-nuts mailing list -- [email protected] >>>> To unsubscribe, go to >>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>> and follow the instructions there. >>>> >>> >>> >>> -- >>> 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 -- [email protected] >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
