[time-nuts] Symmetricom 1111C OCXO question

2014-04-03 Thread Javier Herrero
Hello all, I've a C OCXO (inside a Symmetricom 5045A that is inside an Oscilloquartz OSA 5585) that refuses to start. It seems that one voltage regulator is not operating, with only 2V at its output while it should have (I think...) around 12V. I've partially analyzed the circuit, and it

Re: [time-nuts] Symmetricom 1111C OCXO question

2014-04-03 Thread Javier Herrero
, Javier Herrero jherr...@hvsistemas.es wrote: Hello all, I've a C OCXO (inside a Symmetricom 5045A that is inside an Oscilloquartz OSA 5585) that refuses to start. It seems that one voltage regulator is not operating, with only 2V at its output while it should have (I think...) around 12V

Re: [time-nuts] Symmetricom 1111C OCXO question

2014-04-03 Thread Javier Herrero
On 03.04.2014 18:25, Azelio Boriani wrote: Other idea than leaving the 6K8 resistor? Yes... I would prefer to know why the little thing has stopped working. The 6k8 resistor has also probed to be a marginal solution. The operational amplifier is a Burr-Brown one (don't have the p/n at hand

Re: [time-nuts] Acam TDC's

2014-04-07 Thread Javier Herrero
On 07.04.2014 18:51, Dan Kemppainen wrote: At which resolution do you wish to get 40Msps? Tell me the single-shot jitter figure. So far we had only several ksps of throughput in our TDC circuit, but the bottleneck lies within a computer interface. Anyway, it is not an easy task to get some

Re: [time-nuts] Very slow freq. counter / event counter

2014-04-20 Thread Javier Herrero
On 18.04.2014 19:17, Andrea Baldoni wrote: Hello. In the lab, I would like to have an event counter that can double as frequency/period counter, with maximum clock rate in the order of the tens of Hz or so, better with TIC function (aka chronometer). Resolution need not be better than 1/100s,

Re: [time-nuts] STEL 1175 vice 1173

2014-05-14 Thread Javier Herrero
Hello, I think that not as a direct replacement of the 1173. The 1175 has 32-bit phase increment resolution and 10-bit DAC output. The 1173 has 48/12 bit. Regards, Javier On 14/05/2014 17:13, cdel...@juno.com wrote: Hi, I found two PLCC STEL 1175 in a rack mounted synthesizer I have.

Re: [time-nuts] Weather/units question for European members

2014-05-24 Thread Javier Herrero
Hello, Wind speed usually in meters/sec (when used for scientific data) or km/h (used in the news, so the people can compare with car speed ;) ) Pressure in millibars. Meteorologist also usually refers to hectopascals, but it is more for representing something at a given altitude (for

Re: [time-nuts] temperature sensor

2014-07-21 Thread Javier Herrero
Hello, There are two types of NTC thermistors that are (very) frequently used in spacecrafts, the Measurement Specialties (traditionally YSI, Yellow Spring Instruments) 44907 and 44908, that are 10k @ 25ºC NTC: http://meas-spec.com/downloads/44908.pdf and

Re: [time-nuts] Symmetricom 1111C OCXO question

2014-07-26 Thread Javier Herrero
Hello, Supply voltage is 24V. I've no information of the control voltage range and slope. Regards, Javier On 26/07/2014 7:02, davidh wrote: Hi All, Can anyone advise the supply voltage and range of the control voltage for these gadgets? Cheers, david

Re: [time-nuts] Oscilloquartz 3210 Cesium Standard

2014-08-27 Thread Javier Herrero
Hello, I've some manuals from an OSA-5585, one of them for the EUDICS 3120. The thing that Symmetricom calls EUDICS-3120 really is a FTS-5045 module (Symmetricom in my case), that I think that it is the same that is inside the FTS-4060. It seems that one common problem with these, discuted

Re: [time-nuts] Oscilloquartz 3210 Cesium Standard

2014-08-28 Thread Javier Herrero
, Chris wrote: On 08/28/14 05:03, Javier Herrero wrote: Hello, Here is the manual I've. I have also some other documentations, and some Oscilloquartz software for the OSA-5585, but I don't know if they are very useful. Regards, Javier Hi Javier, Thanks for that and for the other replies

Re: [time-nuts] Oscilloquartz 3210 Cesium Standard

2014-08-29 Thread Javier Herrero
: On 08/28/14 19:53, Javier Herrero wrote: Hello, Then it is a quite different beast to the EUDICS 3120, that they also call OSA-3120... I note now that yours is a 3210, not 3120 :) Regards, Javier The 3210 looks like a much earlier design, prior to the inclusion of microprocessor control. Date

Re: [time-nuts] What sort of oscillator is this?

2014-09-28 Thread Javier Herrero
On 28/09/2014 17:44, Dr. David Kirkby (Kirkby Microwave Ltd) wrote: BTW, you may note Keysight's uncertainty for measurement of the 10 MHz reference in September 2014 is 0.0010 Hz, whereas Agilent's was 0.00080 Hz in August 2013. They 5071A primary frequency standard. I assume the fact that the

Re: [time-nuts] How far can I push a crystal?

2013-01-18 Thread Javier Herrero
On 18.01.2013 22:41, shali...@gmail.com wrote: 10.059 used to be a standard frequency for some 8051 microcontrollers. Should not be too hard to find. No, it was 11.0592 Regards, Javier ___ time-nuts mailing list -- time-nuts@febo.com To

Re: [time-nuts] Releasing sources (was Re: Brooks Shera)

2013-03-31 Thread Javier Herrero
On 31.03.2013 17:32, Lizeth Norman wrote: All u guys that post code to push up your little ego and then don't help when it sucks need to see a shrink. Don't want emails, don't post. Keep your bad code in the folder were it belongs. Are you suppossing that anybody that releases any code must

Re: [time-nuts] (Datum) FTS-4040A cesium, and STEL-1173 NCO chip

2013-04-29 Thread Javier Herrero
Hello, These people seems to have them availabe at single quantities for $65... perhaps not in the right packaging: http://www.questcomp.com/questdetails.aspx?pn=STEL-1173%2FCLpnid=372732stock=Yes (I've never purchased from them... si I cannot encourage or discourage :) ) Regards, Javier

Re: [time-nuts] Lying to Lady Heather

2010-05-11 Thread Javier Herrero
May a formula that contains - an error - a current error - a delta error - a previous integrated error be considered to contain a lot of errors? pun intended? ;) -- Javier HerreroEMAIL

Re: [time-nuts] 74AC logic differences between manufactures

2010-07-13 Thread Javier Herrero
/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17

Re: [time-nuts] HP 5061A on auction 290458191620

2010-07-27 Thread Javier Herrero
there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17 FAX: +34 949 336 792 19170 El Casar - Guadalajara - Spain WEB: http

Re: [time-nuts] Updated Shera controller

2010-07-29 Thread Javier Herrero
peripherals that are currently not supported). And finaly, the user space application(s). Lots of fun, I can guarantee it :) Best regards, Javier -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV

Re: [time-nuts] Regulating a pendulum clock

2010-08-09 Thread Javier Herrero
there. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier Herrero

Re: [time-nuts] No Comment

2010-08-10 Thread Javier Herrero
the instructions there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17 FAX

Re: [time-nuts] Simulation

2010-08-14 Thread Javier Herrero
@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L

Re: [time-nuts] Simulation

2010-08-14 Thread Javier Herrero
if it was an isolated case due to a failure (or to a bad repair replacing the part with a similar one), or was a more 'endemic' problem :) Regards, Javier -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV

Re: [time-nuts] Simulation

2010-08-14 Thread Javier Herrero
-- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17 FAX: +34 949 336 792 19170 El

Re: [time-nuts] Simulation

2010-08-14 Thread Javier Herrero
. This example from NXP is very very detailed, in other cases there is only a note that production has changed from one factory to another. Regards, Javier -- Javier HerreroEMAIL: jherr

Re: [time-nuts] acam TDC chips

2010-08-15 Thread Javier Herrero
-- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17 FAX: +34 949 336 792 19170 El Casar

Re: [time-nuts] Questions about HP 5370B

2010-09-14 Thread Javier Herrero
there. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier Herrero

Re: [time-nuts] Rb references for audiophiles?

2008-07-04 Thread Javier Herrero
spinning glowing thingies you can watch though cutout windows, endless entertainment for dope addled brains, err uhhh I forget the rest. -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L

Re: [time-nuts] I want a good micro-controller

2008-08-13 Thread Javier Herrero
an ATtiny... I would never use a PIC again for a new design. And for those larger needs, any ARM7 outperforms the best PIC in price and performance :) Regards, Javier -- Javier HerreroEMAIL

Re: [time-nuts] I want a good micro-controller

2008-08-17 Thread Javier Herrero
I still insist a computer isn't a real computer without blinking lights. So you will love the Thinking Machines CM computers... ;) Regards, Javier -- Javier HerreroEMAIL: [EMAIL

Re: [time-nuts] Nixie - tube clock - 16 Digit Readout !

2008-08-17 Thread Javier Herrero
@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L

Re: [time-nuts] Nixie - tube clock - 16 Digit Readout !

2008-08-18 Thread Javier Herrero
time savings and configurable time zones (not position-based... seemed way too much complicated ;) ). Regards, Javier -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L

Re: [time-nuts] Which GPS receiver ?

2008-09-10 Thread Javier Herrero
M12+ available or a descendant or a compatible model? Or what would otherwise be the choice of today? -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L. PHONE

Re: [time-nuts] TBOLT communication

2008-09-24 Thread Javier Herrero
-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L

Re: [time-nuts] Where can I find a master list of NTP /time services RFC's?

2008-10-07 Thread Javier Herrero
precision. It uses hardware assist to time-stamp ethernet packets. I think the target is synchronizing data collection within a lab: LAN rather than WAN. -- Javier HerreroEMAIL: [EMAIL PROTECTED

[time-nuts] NTP, Oncore and Allan deviation

2008-10-08 Thread Javier Herrero
a WAN with quite spaced pollings and relatively high delays), and I presume that could be reduced for this system. Any thoughs would be appreciated :) Best regards, Javier -- Javier Herrero

Re: [time-nuts] Looking for a Efratom FRS-C connector

2008-10-08 Thread Javier Herrero
and follow the instructions there. -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17AFAX

Re: [time-nuts] COMPLETELY off topic - but I know you'll read it anyway.

2008-10-11 Thread Javier Herrero
___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: [EMAIL

Re: [time-nuts] Sound and time

2008-10-11 Thread Javier Herrero
some time long ago working as service technician repairing professional sound equipment :) Regards, Javier -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L

Re: [time-nuts] Question on crystal jumps

2008-10-23 Thread Javier Herrero
;) ) -- Javier HerreroEMAIL: [EMAIL PROTECTED] HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17AFAX: +34 949 336 792 19170 El Casar

Re: [time-nuts] Lady Heather's Disciplined Oscillator (Thunderbolt) Software

2008-12-26 Thread Javier Herrero
there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17AFAX: +34 949 336 792

Re: [time-nuts] Glass / Metal - it all flows

2009-06-16 Thread Javier Herrero
___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL

Re: [time-nuts] have 10MHz need 19.5Mhz

2013-06-02 Thread Javier Herrero
-Wave-/400352450150?pt=LH_DefaultDomain_0hash=item5d36dd9666 Regards, Javier -- Javier Herrero Chief Technology Officer EMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE

Re: [time-nuts] Have 10 MHz need 19.2 MHz

2013-06-07 Thread Javier Herrero
On 07.06.2013 19:23, Perry Sandeen wrote: List, Another hardware possibility. Double the 10 MHz to 20 MHz. With another circuit of 74HC390’s divide 10 MHz to 200 KHz. Then double it twice to 800 KHz with LM 1496 DBM’s. Apply the two frequencies to a LM 1496 DBM and use a LPF to get

Re: [time-nuts] Generate 1 PPS signal on serial port

2013-08-06 Thread Javier Herrero
Hello, On 06.08.2013 17:25, Chris Albertson wrote: The current Linux kernel has a PPS GENERATOR. See pps_gen_parport Put WHY would you need this? The documentation for pps_gen_parport suggests only using it for crude synchronization of sevel computers but NTP would in every case work better

Re: [time-nuts] Trimble Thunderbolt 1pps

2014-01-27 Thread Javier Herrero
On 27.01.2014 15:08, Attila Kinali wrote: In practice, the receiver chip only has one power supply. It would take extra work to make the switching threshold below ground. That's not correct. Standard transceiver chips (like the MAX232 family) have an integrated charge pump to get a negative

Re: [time-nuts] Trimble Thunderbolt 1pps

2014-01-27 Thread Javier Herrero
On 27.01.2014 19:33, Robert Atkinson wrote: All the receiver chips I've looked at, ancient and modern, have only positive thresholds. Most have single supplies and clamp the input at 1 diode drop negative WRT common after an input current limiting resistor, see the MC1489 datasheet. Hello,

Re: [time-nuts] quartz crystal configuration in small cases

2012-03-13 Thread Javier Herrero
Hello, AT cut crystals can be manufactured both as a round disk or as a strip resonator, so probably they are AT. For example, these are: http://cfm.citizen.co.jp/english/product/pdf/HC-49_U-S.pdf and http://cfm.citizen.co.jp/english/product/pdf/CSA-310_309.pdf Regards, Javier El

Re: [time-nuts] Neutrinos not faster than light

2012-03-16 Thread Javier Herrero
I think that this is the article: http://arxiv.org/pdf/1110.3763.pdf It is not strange that the results are available now. These experiments are run during months, and generates a large quantity of data. Best regards, Javier El 16/03/2012 21:19, Azelio Boriani escribió: OK, that is, are

Re: [time-nuts] Neutrinos not faster than light

2012-03-16 Thread Javier Herrero
The paper is this one, dated yesterday: http://arxiv.org/ftp/arxiv/papers/1203/1203.3433.pdf Regards, Javier El 16/03/2012 21:50, Javier Herrero escribió: I think that this is the article: http://arxiv.org/pdf/1110.3763.pdf It is not strange that the results are available now

Re: [time-nuts] Neutrinos not faster than light

2012-03-16 Thread Javier Herrero
/2012 21:50, Javier Herrero escribió: I think that this is the article: http://arxiv.org/pdf/1110.3763.pdf It is not strange that the results are available now. These experiments are run during months, and generates a large quantity of data. Best regards, Javier El 16/03/2012 21:19, Azelio

Re: [time-nuts] Experience with THS788 from TI?

2012-03-21 Thread Javier Herrero
13ps resolution at 200Msps sampling rate and real 15.8Msps output data throughput? not too many around :) Regards, Javier El 21/03/2012 15:44, David escribió: I am surprised it is not more accurate and precise. Even old discrete designs can get down to 10ps or better. I wonder what

Re: [time-nuts] Distribution amp - Use a video amp unit ?

2012-03-25 Thread Javier Herrero
El 26/03/2012 02:35, gary escribió: I forgot to mention that those old jedec part numbers specify a package and electrical limit under one part number. That is, you can't find say a 1n914 in SMD, but you can find direct equivalents with other numbers. You will find supply houses listing SMD

Re: [time-nuts] Distribution amp - Use a video amp unit ?

2012-03-26 Thread Javier Herrero
, is something I haven't seen before, but technically 1N914BWT != 1n914. That is, in the strict sense, the 1n914 has to be a diode in that glass package. On 3/25/2012 5:48 PM, Javier Herrero wrote: El 26/03/2012 02:35, gary escribió: I forgot to mention that those old jedec part numbers specify

Re: [time-nuts] LEA-6T Group buy

2012-03-26 Thread Javier Herrero
El 26/03/2012 22:30, Azelio Boriani escribió: 120CHF + the custom duties. Even if in the EU. Switzerland is not part of EU :) Although it is part of Schengen Area. Regards, Javier ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe,

Re: [time-nuts] Pulsar Source?

2012-03-30 Thread Javier Herrero
El 30/03/2012 05:02, Jim Lux escribió: and orientation. Sort of like a super star tracker all in one! (You can see why NASA is interested..) And ESA. Last year they published an invitation to tender called Deep Space Navigation with Pulsars, with the following description excerpt: The

Re: [time-nuts] Opera coordinator has resigned

2012-03-30 Thread Javier Herrero
El 30/03/2012 16:55, Javier Serrano escribió: On Fri, Mar 30, 2012 at 3:07 PM, iov...@inwind.itiov...@inwind.it wrote: http://inagist.com/all/185697069783195648/ Personally I'm sorry about such an end of the story. There was a meeting in Gran Sasso on Wednesday. You can see some of the

Re: [time-nuts] Opera coordinator has resigned

2012-03-30 Thread Javier Herrero
I suppose that when it was photographed, nobody noticed it. After noticed that it was no correctly plugged-in, the past pictures were reviewed and found that in fact it was not fully plugged in :) El 31/03/2012 01:04, iov...@inwind.it escribió: May anybody out there explain why the connector

Re: [time-nuts] NTP jitter with Linux

2012-04-04 Thread Javier Herrero
El 05/04/2012 00:58, gary escribió: That is the AMD speed step, but doesn't intel do the same thing? I suppose so. In any case, under Linux you can force off the speed step (i.e. force the CPU to a fixed clock). I did that some time ago in a Dell server with a dual quad-core Opteron with

Re: [time-nuts] NTP jitter with Linux

2012-04-05 Thread Javier Herrero
El 05/04/2012 12:20, Azelio Boriani escribió: On a side note, speaking of deterministic systems, why has no one built a GPSDO with an FPGA yet? Or an NTP server? :) Oh, I've done that (an NTP server, not GPSO) in a Cyclone III FPGA. But well... it has a Nios-II CPU and runs Linux, so I

Re: [time-nuts] FPGA GPSDO (Was: Re: NTP jitter with Linux)

2012-04-07 Thread Javier Herrero
El 07/04/2012 18:17, shali...@gmail.com escribió: When you install the Altera tools, it automatically installs NIOS and gcc. I assume there are no restrictions for private use, but you may have to send $ if you make a commercial product. That remains to be checked. With the Quartus Web, you

Re: [time-nuts] FPGA GPSDO (Was: Re: NTP jitter with Linux)

2012-04-07 Thread Javier Herrero
El 07/04/2012 16:02, Jim Lux escribió: On 4/7/12 4:47 AM, Javier Herrero wrote: I'm very familiar with the LEON and RTEMS, having managed a software development project with it for the last 3 or 4 years at work. http://www.gaisler.com/ for LEON http://www.rtems.org/ for RTEMS I will have

Re: [time-nuts] FPGA GPSDO (Was: Re: NTP jitter with Linux)

2012-04-07 Thread Javier Herrero
El 08/04/2012 00:21, Jim Lux escribió: On 4/7/12 10:08 AM, Javier Herrero wrote: El 07/04/2012 16:02, Jim Lux escribió: RTEMS might be just what you need. Kernel, basic OS calls for scheduling, queues, etc. It's nice when you decide you want threading to not have to graft it into a big

Re: [time-nuts] FPGA GPSDO (Was: Re: NTP jitter with Linux)

2012-04-07 Thread Javier Herrero
for a 5000 EUR management fee... Best regards, Javier -- Javier Herrero Chief Technology Officer EMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones

Re: [time-nuts] Holy cesium clock, Batman!

2012-04-08 Thread Javier Herrero
El 08/04/2012 04:31, Magnus Danielson escribió: Oups, there is currently 7 caesium clocks in my lab (not all mine) and I'm not there to protect them all. Lost count of rubidium... Hum. 7 Cs clocks and lost count of Rb... and you're not there to protect them all... give me the address, I

Re: [time-nuts] Holy cesium clock, Batman!

2012-04-09 Thread Javier Herrero
El 09/04/2012 16:59, Tom Knox escribió: I have heard the definition of a Time Lord is someone who has more then one clock and still knows what time it is. Thomas Knox No, no, is someone who know what time it is without needing a clock :) Regards, Javier

Re: [time-nuts] parking lot location (was2 (Spoofing))

2012-04-20 Thread Javier Herrero
No, there are a lot more messages from him since at least 2008 and last one in the chinese scopes thread some days ago. The e-mail origin seems quite authentic from the headers, so I suspect he has sent it to the list in error :) Rgds, Javier El 21/04/2012 00:50, Bill Hawkins escribió:

Re: [time-nuts] Oh dear

2012-05-07 Thread Javier Herrero
El 07/05/2012 11:20, Attila Kinali escribió: But to bring this back to time nutty topics, have a look at http://www.colorfly.eu/product.html It's an MP3 player with high precision timing. It does not only use two TCXOs with 5ps Jitter.. No! It also employes a technique known as Jitter Kill for

Re: [time-nuts] GPS and Rubidium frequency standards and noise question (new...

2012-06-03 Thread Javier Herrero
Hello, El 03/06/2012 10:46, saidj...@aol.com escribió: The FEI-5680A Rubidium that we discussed here some time ago has a much worse phase noise plot of course, because the 10MHz is generated digitally through a DDS, not a 10MHz crystal oscillator.. There is a version that generates 10MHz

Re: [time-nuts] GPS and Rubidium frequency standards and noise question (new...

2012-06-03 Thread Javier Herrero
there. -- Javier Herrero Chief Technology Officer EMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17 FAX: +34 949 336 792 19170 El Casar - Guadalajara - Spain WEB: http

Re: [time-nuts] Thunderbolt GPS rollover

2012-06-07 Thread Javier Herrero
/mailman/listinfo/time-nuts and follow the instructions there. -- Javier Herrero Chief Technology Officer EMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806

Re: [time-nuts] Different or defective FE-5680A?

2012-06-09 Thread Javier Herrero
El 09/06/2012 09:35, Chris Albertson escribió: On Fri, Jun 8, 2012 at 11:22 PM, Ed Palmer ed_pal...@sasktel.net wrote: ... It is programmable over a wide frequency range (typically 100 Hz to 15-20 MHz), but you have to bring out the signal yourself,... Any idea WHY someone would design

Re: [time-nuts] Thunderbolt won't set a stored position?

2012-06-12 Thread Javier Herrero
El 12/06/2012 08:50, Chris Wilson escribió: It has also always shown a Leap Second Pending minor alarm, but I believe this is quite usual? Hello, it is usual now since there is a leap second scheduled for next 30-Jun. After that day, it will disaappear... until next one :) Regards,

Re: [time-nuts] Dimension 4 and GPS time disagree, why?

2012-06-12 Thread Javier Herrero
El 12/06/2012 13:09, David J Taylor escribió: I run Dimension 4 as a time standard on my POC's, mainly for using JT65 digital radio communications. It polls tick.usno.navy.mil for the time. I have noticed since getting my ThunderBolt set up that the GPS time is about 15 seconds in advance of my

Re: [time-nuts] Clockwise.

2012-06-26 Thread Javier Herrero
See below, after /tvb ;) El 26/06/2012 15:08, Azelio Boriani escribió: Yes, and the reference? On Tue, Jun 26, 2012 at 2:32 PM, Tom Van Baak (lab) t...@leapsecond.comwrote: With four points one can compute ADEV... /tvb (iPhone4) ___ time-nuts

Re: [time-nuts] Clockwise.

2012-06-26 Thread Javier Herrero
It can be a reference. I was not meaning a good one :) And surely it is not that bad as a clock. El 26/06/2012 15:32, Azelio Boriani escribió: OK, in my opinion the iPhone is not a reference but, well, if you say it is then OK. On Tue, Jun 26, 2012 at 3:20 PM, Javier Herrero jherr

Re: [time-nuts] So, how did you spend your leapsecond?

2012-07-01 Thread Javier Herrero
After watching Blade Runner (the director cut) reposition on a TV channel, that ended just one minute before 2am local time, I watched my nixie clock to, as I was expecting, held 02:00:00 (local time) by two seconds. Surely its GPS (an M12T) sent the right time to the uC, 23:59:60 UTC... but

Re: [time-nuts] oscillators

2012-08-31 Thread Javier Herrero
El 30/08/2012 20:53, saidj...@aol.com escribió: There are some drawbacks to this type of SC-cut MCXO I would think, and it could possibly be replaced by a much higher performance Symmetricom CSAC, probably at a lower cost and higher availability: * Q-tech MCXO is ITAR controlled, CSAC is not

Re: [time-nuts] Re; New Wrist watch

2012-09-10 Thread Javier Herrero
and velocity. Well, but since the $150 wrist watch class usually does not provide a microsecond hand, I suspect that this would pass inadverted :) Regards, Javier -- Javier Herrero Chief Technology Officer

Re: [time-nuts] messy workbenches

2012-09-30 Thread Javier Herrero
El 29/09/2012 19:11, Joe Leikhim escribió: I would have to agree that a lot of engineer and tech types fall into these categories. If not, we would probably not have and GPS satellites, cellphones and supersonic planes.(where is my hoverboard?) Not sure. Asperger is a type of autism, and

Re: [time-nuts] RFX GPSDO - Anybody played with one of these?

2012-10-01 Thread Javier Herrero
El 01/10/2012 11:22, Hal Murray escribió: t...@westwood-tech.com said: information appeared to be non-existent. IMHO for pretty much *everything* that is for sale, if you have to ask for the price it is a scam. Yes, when it says call for pricing, I usually drop interest. But I wouldn't say

Re: [time-nuts] RFX GPSDO - Anybody played with one of these?

2012-10-01 Thread Javier Herrero
I asked for a quotation to one spanish distributor about a year ago. It was quoted at 977 EUR for a single unit, for the newer Thunderbolt E. $465 seems not bad for that unit. Regards, Javier El 01/10/2012 18:53, Chris Albertson escribió: On Mon, Oct 1, 2012 at 9:27 AM, Don Latham

[time-nuts] OT question about liquid cooling

2012-10-03 Thread Javier Herrero
Hello all, Please excuse me for the OT, but since this list is plenty of very knowledgeable colleagues, I'm tempted to ask... I need to cool several resistive loads, in the order of 5kW, and I plan to use a cold plate and a liquid-to-liquid heat exchanger like the Lytron LCS-20, but this

Re: [time-nuts] toko tk11650nt to-92 5v regulator data

2009-06-18 Thread Javier Herrero
://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34

Re: [time-nuts] Time servers on a well known web site.

2009-07-09 Thread Javier Herrero
Early WRT54G boxes had lots (relatively speaking) of RAM/ROM. To cut costs, Linksys switched from Linux to ??? and reduced the RAM. to VxWorks Regards, Javier -- Javier HerreroEMAIL

Re: [time-nuts] Distribution Amp project

2009-07-29 Thread Javier Herrero
-- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17AFAX: +34 949 336 792 19170 El Casar

Re: [time-nuts] OCXO sensitive to gravity

2009-08-15 Thread Javier Herrero
-based pressure sensor. It was a very sensitive equipment. Regards, Javier -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806

Re: [time-nuts] OCXO sensitive to gravity

2009-08-15 Thread Javier Herrero
-- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17AFAX: +34 949 336 792 19170 El Casar - Guadalajara - Spain WEB: http://www.hvsistemas.com

Re: [time-nuts] OCXO sensitive to gravity

2009-08-15 Thread Javier Herrero
quartz pressure sensors. Long time ago I used a equipment to measure water columns (and hence sea waves height) that used a quartz-based pressure sensor. It was a very sensitive equipment. Regards, Javier -- Javier Herrero

Re: [time-nuts] RoHS Solder

2009-09-25 Thread Javier Herrero
.. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: jherr

Re: [time-nuts] GPS Antenna and Lightning (Bruce Hunter)

2009-09-26 Thread Javier Herrero
-nuts and follow the instructions there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17A

Re: [time-nuts] 4046 variations (was EPE GPS....)

2009-09-27 Thread Javier Herrero
mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier HerreroEMAIL: jherr...@hvsistemas.com

Re: [time-nuts] 4046 variations (was EPE GPS....)

2009-09-27 Thread Javier Herrero
lot number some work, some don't, and it is hard to believe that no alternatives existed on that time that could have avoided the high costly selection process. Regards, Javier Lux, Jim (337C) escribió: On 9/27/09 7:22 AM, Javier Herrero jherr...@hvsistemas.es wrote: Margina design

Re: [time-nuts] 4046 variations (was EPE GPS....)

2009-09-27 Thread Javier Herrero
a long time... Regards, Javier Lux, Jim (337C) escribió: On 9/27/09 9:54 AM, Javier Herrero jherr...@hvsistemas.es wrote: Yes, of course, some applications needs the parts that are in the better side of the distribution curve for a particular parameter and for a particularly stringent

Re: [time-nuts] Can anyone spare an LPRO lamp?

2009-09-28 Thread Javier Herrero
of precise time and frequency measurement Subject: Re: [time-nuts] Can anyone spare an LPRO lamp? I think my kinds math teacher would flunk that... -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV

Re: [time-nuts] Can anyone spare an LPRO lamp?

2009-09-28 Thread Javier Herrero
Was right, 20% functional... after a war day against an OLED display and a Blackfin PPI, I ended not distinguishing between RGB and BGR ;) Regards, Javier Javier Herrero escribió: No... 20% non-functional ;) David C. Partridge escribió: Poul, Maybe the last one was 20% functional

Re: [time-nuts] Anyone know a portable way of getting seconds since epoch?

2009-10-13 Thread Javier Herrero
-- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L. PHONE: +34 949 336 806 Los Charcones, 17AFAX: +34 949 336 792 19170 El Casar

Re: [time-nuts] G P S D O

2009-10-29 Thread Javier Herrero
the other junk it wants to install. You get a few of ads when using it but its free otherwise. Ray. -- Javier HerreroEMAIL: jherr...@hvsistemas.com HV Sistemas S.L

Re: [time-nuts] HP 5359A Manual Needed

2009-10-29 Thread Javier Herrero
___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Javier

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