Tom, I just started getting messages again today after almost a week of getting nothing.
This account is on gmail No idea what happened... Didier KO4BB On June 18, 2014 10:42:25 PM CDT, Tom Van Baak <[email protected]> wrote: >Paul, > >The E3610A posting was a good one. This explains why some high-end >oscillator sockets have a fuse, series diode, and zener shunt - >protects the expensive oscillator from both reverse- and over-voltage. > >I'll look into the spam issue. If there's more than a couple contact me >off-list and we'll debug it. >We've been having issues with aol, yahoo, comcast postings recently. >Might be related. > >When in doubt, you can always read messages at: > http://www.febo.com/pipermail/time-nuts/ > >Sometimes it's actually more convenient to read them there by author or >thread than by inbox. > >/tvb > >----- Original Message ----- >From: "paul swed" <[email protected]> >To: "Discussion of precise time and frequency measurement" ><[email protected]> >Sent: Wednesday, June 18, 2014 7:41 PM >Subject: Re: [time-nuts] HP E3610A Power supply > > >> Bert just finding out that google mail is treating your emails as >spam! >> Not sure if the message appears but as you can see it questions who >you are. >> I found numbers of missing emails a few minutes ago. >> Regards >> Paul >> WB8TSL >> >> >> On Thu, May 22, 2014 at 7:59 AM, <[email protected]> wrote: >> >>> This may be off topic but I did check with Tom and many time nuts >may have >>> HP E3610A power supplies on their bench and mine smoked a ublox GPS >so that >>> makes it topic related.. >>> The reference section has some 1 uF 50V capacitors and in my unit >one >>> shorted. The reference section has fuses on the board but they did >not >>> open. The >>> 7912 overheated and shorted out, traces are discolored the op amp >shows >>> signs of overheating and burned out. The result was the output went >to >>> 30V+ >>> and next morning the ublox chip plastic showed where the chip >smoked. As >>> a minimum I recommend replacing the 1 uF capacitors with new quality > caps, >>> I also ordered 15 V 5 W zeners and 0.5 A 20 mm glass fuses. >>> Bert Kehren > > >_______________________________________________ >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. -- Sent from my Motorola Droid Razr HD 4G LTE wireless tracker while I do other things. _______________________________________________ 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.
