That's what I do. My 105B came with the dead battery pack already removed. Since I didn't plan on moving mine around, I installed it in a rack and connected it to my UPS.
On Wed, Apr 24, 2019 at 3:29 PM Bob kb8tq <[email protected]> wrote: > Hi > > My advice: Pull out the nicads and run the device on a normal UPS if you > actually need > power backup. When the UPS bites the dust … replace it. Much easier than > keeping > the batteries in these devices happy. > > Bob > > > On Apr 24, 2019, at 11:53 AM, Roy Thistle <[email protected]> > wrote: > > > > Hi Time Nuts: > > > > I've been lurking for a while now... reading the posts. > > > > I have just got an HP 105B, which is in good shape, and has a > new/replaced NiCad battery pack, and was calibrated against a rubidium > oscillator (standard?). > > > > NiCads don't like me... does anyone have recommendations/commiserations, > concerning their care. > > > > Best regards and wishes. > > > > Roy > > > > ________________________________ > > From: time-nuts <[email protected]> on behalf of > [email protected] <[email protected]> > > Sent: April 24, 2019 12:00:02 PM > > To: [email protected] > > Subject: time-nuts Digest, Vol 177, Issue 29 > > > > Send time-nuts mailing list submissions to > > [email protected] > > > > To subscribe or unsubscribe via the World Wide Web, visit > > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > or, via email, send a message with subject or body 'help' to > > [email protected] > > > > You can reach the person managing the list at > > [email protected] > > > > When replying, please edit your Subject line so it is more specific > > than "Re: Contents of time-nuts digest..." > > > > > > Today's Topics: > > > > 1. OSC value with Lady Heather (Giuseppe Marullo) > > 2. Re: Z3801 Power Supply Schematic (RICHARD GOLDING) > > > > > > ---------------------------------------------------------------------- > > > > Message: 1 > > Date: Wed, 24 Apr 2019 08:51:44 +0200 > > From: Giuseppe Marullo <[email protected]> > > To: [email protected] > > Subject: [time-nuts] OSC value with Lady Heather > > Message-ID: <[email protected]> > > Content-Type: text/plain; charset=utf-8; format=flowed > > > > Is it possible to display the actual OSC value instead of ppt? I tried > > /tx but surely I am doing something wrong. > > > > Yes, I am European, lol. > > > > TIA. > > > > Giuseppe Marullo > > IW2JWW - JN45RQ > > > > > > > > > > > > ------------------------------ > > > > Message: 2 > > Date: Wed, 24 Apr 2019 14:46:06 +0000 (UTC) > > From: RICHARD GOLDING <[email protected]> > > To: [email protected] > > Subject: Re: [time-nuts] Z3801 Power Supply Schematic > > Message-ID: <[email protected]> > > Content-Type: text/plain; charset=UTF-8 > > > > Many thanks to those who took the trouble to send me schematics of the > Z3801a PSU. > > I'm pleased to report that, using, the schematic, I was able to trace > and fix the fault and that GPS lock led is glowing again. > > The problem was a faulty regulator IC (U2 LM317) that had decided to > produce 1.8V instead of 2.5V, which resulted in the PSU thinking that the > input supply voltage was out of range. > > It does seem a very complicated circuit for what could be > straightforward voltage window comparator. i.e. 24R's, 8 Diodes, 3 > regulators, a comparator and logic IC + a handful of Mosfets! > > Thanks again for those that helped. > > 73 Richard, G3VZG > > ? ?? > > > > ------------------------------ > > > > Subject: Digest Footer > > > > _______________________________________________ > > time-nuts mailing list > > [email protected] > > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > > > > > ------------------------------ > > > > End of time-nuts Digest, Vol 177, Issue 29 > > ****************************************** > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > -- Sent from my iPad 4. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
