Re: [time-nuts] Vectron OCXO 204-8888

's not any wire connected to 2 and 3 in my case) 4 black wire (8.5k to GND) 5 red wire (7.6k to GND) 6 white wire (47k to GND) (probably EFC in) 7 white/black wire GND Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsub

[time-nuts] Vectron OCXO 204-8888

. Connectors are on the base, on the opposite side there is the screw covered hole with trimmer. On photos of identical units found in Internet, I see: sticker CRYST.OSC.ASSY 00500-B43024-1 sticker CRYS/ISOL ASSY 00500-B43024-1 wire B50858-1 Best regards Andrea Baldoni

Re: [time-nuts] I love the smell of tantalum in the morning

d some force to be pulled up. Best regards, Andrea Baldoni ___ 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.

Re: [time-nuts] MTI 260-0624-D OCXO

Wheter the crystal has been damaged or not, it's unknown. I had one where the crystal actually fell off from its supports too. I posted a link to photos of the internals, time ago. The link is dead now and I don't think to have the photos anymore but perhaps someone downloaded them. Best regar

Re: [time-nuts] PPS phase between two GPS units.

he PPS output is not sawtooth corrected, you just have one of the two one clock tick ahead of the other. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/tim

Re: [time-nuts] Mechanical clock sound pickup circuit

side it, but they are (fortunately) so perfectly balanced, that they don't vibrate on the scale of the Hz/tens of Hz those flexible piezo films are aimed to pickup. The only thing you can pickup is the "noise" coming from the contact surfaces, on

[time-nuts] Mechanical clock sound pickup circuit

tch. Best regards, Andrea Baldoni ___ 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.

[time-nuts] Tracor 599 for sale in Italy

Hello All. I just stumbled upon this announce (I'm not the seller and I'm not related to him in any way) for a Tracor 599k VLF/LF tracking receiver with manual included. It has a chart plotter for phase difference.

Re: [time-nuts] US export regulations for TICs

to use Bax Global as carrier. There may exist a similar list for other makers, or you can obtain from them a certificate. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] magnetic electronic components

nowadays except perhaps some tube amplifier guys. Best regards, Andrea Baldoni ___ 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.

Re: [time-nuts] MTI 260 Oscillator question.

. I have opened some of them and I have posted images some months ago. Under the hole there is a multiturn trimmer, I think is for temperature setting. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

[time-nuts] The Art of Electronics

in details, feel free to ask. Best regards, Andrea Baldoni ___ 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.

Re: [time-nuts] OXCO insulation

, Andrea Baldoni ___ 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.

Re: [time-nuts] 510 doubler

you for your explanation and graph. I got the point. The wave shaping is very impressive. Can you put in another graph the calculated difference to a pure sine wave? Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com

[time-nuts] Milliren 260-0544-C internals.

. In the next days I will try to put inside it a common AT cut crystal and see if it works. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] ***SPAM*** Re: 510 doubler

linear) gain stage to rectify? Using just one stage means in general less phase noise output (but with probably more spurs that can be filtered out), versus a more stage linear amplifier (perhaps with strong negative feedblack) followed by a rectifier? Best regards, Andrea Baldoni

Re: [time-nuts] 510 doubler

? On the base of many considerations, the Racal circuit is flawed in many parts; it's anyway good enough for the counters it was designed for or the better performance of other doublers will show up? Best regards, Andrea Baldoni ___ time-nuts mailing list -- time

[time-nuts] Toko web catalog

if there is general interest and Didier agree, I can upload there another (bigger) archive. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

[time-nuts] 510 doubler and old Toko RF catalogue (Cirkit 2nd ed. 1994)

not available anymore. Someone has it in PDF form, or want to borrow it to me to scan it? By the way, I see that really many of the 10MHz reference out there, are in effect doubled 5MHz ones so build a doubler seems reasonable for me. Best regards, Andrea Baldoni

Re: [time-nuts] GPS 1PPS ultimate accuracy

to use it? I should use total A over B with the DUT in A and the PPS in B? Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] GPS 1PPS ultimate accuracy

the simple solution is a GPSDO where everything is already done? Best regards, Andrea Baldoni ___ 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.

[time-nuts] GPS 1PPS ultimate accuracy

tau the ADEV graph of the different references intersect the 1E-13? By the way, the stability of the TAI is known or, because it's the reference one, it has zero deviation for definition (so you can reach its ultimate stability through GPS really only at the infinity...)? Best regards, Andrea

[time-nuts] Milliren 260-0544-C

Hello! I would like to buy 4 or 5 Milliren 260-0544-C from Excess Solutions as it was discussed 22 october 2014, but their shipping rates are really excessive (127 USD for 4 of them). So I would like to know if there's someone in the US who can buy them for me and ship them cheaply; eventually if

Re: [time-nuts] Homemade GPS Receiver

dBm Then goes on to talk about the signal being 20 dB below the noise. Hello David. It could be because there is a process gain associated in demodulating a spread spectrum signal. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts

[time-nuts] Toy radiolocation and LORAN envelope

regards, Andrea Baldoni ___ 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.

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

experiments? I remember we had an electromechanical stopwatch with contacts for start and stop, but it was obsolete already then so they must have something electronic, or everyone use a PC now? Maybe the educational field has his own very specific devices. Best regards, Andrea Baldoni

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

instrument, with binding post in the front, mains power, etc... A vintage would be good also, just maybe not so vintage to use dekatron tubes :) (nixie are ok, but it should not weight a ton or shipping to Italy would be prohibitive) Someone has a suggestion? Best regards, Andrea Baldoni

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

On Fri, Apr 18, 2014 at 07:17:17PM +0200, Andrea Baldoni wrote: I own a Racal-Dana 1995 than can count periods to 1700s, but can't be used as event counter and the inputs are delicate, needing care and attenuators. I just remembered that the 1995 has, in the Total A by B function, a special

Re: [time-nuts] List of interesting equipment

or better maybe in a open wiki, so everyone could modify it, add links, and so on) and we go with the second. Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

[time-nuts] List of interesting equipment

of past and present technology, as well as very helpful to beginners and homebrewers (and a good guide in buying old used equipment as well, maybe just for experimenting with that circuit). Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Chinese Scopes (was: Re: LORAN-C at MIT)

it!) Best regards, Andrea Baldoni ___ 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.

Re: [time-nuts] Chinese Scopes (was: Re: LORAN-C at MIT)

lower in respect to other Agilent stuff and, provide that Agilent didn't ask for more RAM, improved firmware, or other changes, Rigol scopes have a easy to crack case but ok... I am now curious to try a real Agilent one. Best regards, Andrea Baldoni

Re: [time-nuts] Best location for a GPS antenna...?

be powered via a magnetic link (or a little solar panel with a lamp illuminating it). Best regards, Andrea Baldoni ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] Repair of Racal switches

. If someone is interested, just ask. Best regards, Andrea Baldoni --- Ermione s.r.l. Via Provanone, 9008/D 40014 Crevalcore (BO) - ITALY PI/VAT IT02745891206 ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] Any spare switches for Racal-Dana 1992?

conductive plastic, but I found that they work anyway (but with some bounces sometimes...). I had to mask with thin tape some part of the electrodes. It's a time consuming work but you never have to do it again... Best regards, Andrea Baldoni --- Ermione s.r.l. Via Provanone, 9008/D 40014 Crevalcore (BO

Re: [time-nuts] FE-5680A

against anything better. In the first shipping run, the seller didn't include the oscillator you have on the mounting board, probably trying to sell them separately; only the DB9 connector was included. The part number on mine is 217400-30352-1. Best regards, Andrea Baldoni