Re: [time-nuts] Parallel voltage regulators

2007-10-25 Thread Bruce Griffiths
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Don Collie wrote: Bollocs, Bruce! If National say it will do it, you can bet that it will. An LM338K will do the job too, but in my opinion it`s overkill, and in the event of a short circuit on the output of the regulator

Re: [time-nuts] Scopes and 1 PPS signals?

2007-10-25 Thread Rob Kimberley
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY From the info given, the TOD will be a HaveQuick serial time string. Need to know what version of HaveQuick. I have some info on an Excel spreadsheet which may help. Will dig it out. Rob -Original Message- From:

Re: [time-nuts] Parallel voltage regulators

2007-10-25 Thread Don Collie
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY - Original Message - From: Bruce Griffiths [EMAIL PROTECTED] To: Don Collie [EMAIL PROTECTED]; Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Thursday, October 25, 2007 7:20 PM Subject:

Re: [time-nuts] QCM

2007-10-25 Thread Jeroen Bastemeijer
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Dear Ulrich, You question is not as much off-topic as you might think. It is all about frequency stability and resonators ;-) In the past I used to work with SAW-devices and micro-balances. We developed our own sensors and

Re: [time-nuts] QCM

2007-10-25 Thread Neon John
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY On Thu, 25 Oct 2007 11:04:06 +0200, Jeroen Bastemeijer [EMAIL PROTECTED] wrote: Dear Ulrich, You question is not as much off-topic as you might think. It is all about frequency stability and resonators ;-) In the past I

Re: [time-nuts] QCM

2007-10-25 Thread Ulrich Bangert
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Bernd, as you know I have a look to the AXTAL web pages @ www.axtal.com from time to time (highly recommended to other members of time nuts too) but I completely overlooked this product range. Must have been that the term

Re: [time-nuts] Parallel voltage regulators

2007-10-25 Thread Bruce Griffiths
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Don Collie wrote: Hi Bruce, I`ve got the National Semiconductor Corporation Voltage Regulator Handbook [1982]. On page 3-3, the leftmost graph shows the LM117/217/317 as having its current limit, with a junction

[time-nuts] Z3815A connectors

2007-10-25 Thread jsternmd
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Morris, I also found the Harting manufacture (USA) for the connectors and was in contact with their Tech support trying to get some for Kit Scally. You can buy the female (same as on the Z3815A board) at Arrow

Re: [time-nuts] Re-triggerable Monostable?

2007-10-25 Thread Brooke Clarke
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Grant: Your re-triggerable monostable idea has been implemented and is called a missing pulse detector. Have Fun, Brooke Clarke http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7

Re: [time-nuts] Scopes and 1 PPS signals?

2007-10-25 Thread Brooke Clarke
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Didier: When just a diode is used the stretching is only at the bottom of the trailing edge and not enough to help. But when a little capacitance is added it works. The period is the same as what the SR620 reported, 1/

Re: [time-nuts] Re-triggerable Monostable?

2007-10-25 Thread Hal Murray
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY I'm working on a synth. project which can take either an external 10MHz reference input or use an internal TCXO. It would be nice if the presence (or more importantly, failure) of the external 10MHz ref. could be

[time-nuts] M100 manual

2007-10-25 Thread Phil Staton
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Just to let anyone interested know, I've uploaded an M100.pdf to Ko4BB.com. Phil ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] M100 manual

2007-10-25 Thread John Day
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY At 04:00 PM 10/25/2007, you wrote: ); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Just to let anyone interested know, I've uploaded an M100.pdf to Ko4BB.com. Phil Couldn't find it Phil, at least not

[time-nuts] STANAG 4430?

2007-10-25 Thread Brooke Clarke
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi: I think the Q-1814 uses STANAG 4430 for the Time Of Day interface. Does anyone have a copy they can emial to me? http://www.prc68.com/I/O1814.shtml -- Have Fun, Brooke Clarke http://www.PRC68.com

Re: [time-nuts] STANAG 4430?

2007-10-25 Thread Rob Kimberley
Brooke, See the attached which I put together for a project some time ago. Hope it is useful. Cheers Rob Kimberley -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brooke Clarke Sent: 25 October 2007 22:16 To: time-nuts@febo.com Subject: [time-nuts]

Re: [time-nuts] STANAG 4430?

2007-10-25 Thread Brooke Clarke
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Rob: Thanks, that will help when I get to setting the clock. But now I'm still working the physical layer. Things like how many wires, what signals are on them, where is the 1 PPS and is it turned off if the clock is

[time-nuts] M100.pdf

2007-10-25 Thread Phil Staton
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY John It's probably still in the upload section Phil G4FXY ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] Parallel voltage regulators

2007-10-25 Thread Magnus Danielson
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY From: Bruce Griffiths [EMAIL PROTECTED] Subject: Re: [time-nuts] Parallel voltage regulators Date: Thu, 25 Oct 2007 13:51:47 +1300 Message-ID: [EMAIL PROTECTED] ); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED]

Re: [time-nuts] Parallel voltage regulators

2007-10-25 Thread Bruce Griffiths
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Magnus Danielson wrote: From: Bruce Griffiths [EMAIL PROTECTED] Subject: Re: [time-nuts] Parallel voltage regulators Date: Thu, 25 Oct 2007 17:42:51 +1300 Message-ID: [EMAIL PROTECTED] Don Collie wrote: Hi Tom,

Re: [time-nuts] M100.pdf

2007-10-25 Thread John Day
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY At 06:31 PM 10/25/2007, you wrote: John It's probably still in the upload section Phil G4FXY Aaahh! Then I am sure it will make it out very soon. Thanks ___ time-nuts mailing list

Re: [time-nuts] M100.pdf

2007-10-25 Thread Didier Juges
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi guys, Yes it's still in the upload section. At the moment, my uplink is busy uploading ~2.5 GB of manuals donated by someone, so I'll get to the M100 as soon as possible. I'll be out of town tomorrow, so it may be

Re: [time-nuts] Scopes and 1 PPS signals?

2007-10-25 Thread Didier Juges
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Glad it works. I found the same here and that's why the better pictures were made with a 5600pF cap that just happened to lay on the bench... Didier -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL

Re: [time-nuts] QCM

2007-10-25 Thread Bernd T-Online
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi John, Neon John wrote: A somewhat related question. Can a quartz crystal be used as a pressure (actually medium to high vacuum) sensor? Specifically, over the range of perhaps 1 Torr to 1e-6 Torr. IOW, over about