Usually new OCXOs from distributors are expensive parts (low noise being a premium feature)... if you have to use them professionally OK otherwise you have no other way than the usual auction site.
On Fri, Nov 8, 2013 at 4:55 PM, HagaaarTheHorrible <[email protected]> wrote: > Thanks for the replies! > Doesn't sound too good I'm afraid... in addition to the shipping issues, I > wonder if it was the right decision to use this OCXO... > Are there any "low phase noise" OCXO available (preferably from stock) from > more "conventional" sellers? (i.e. distributors/online shops based in US or > EU) > MTI260 and the oscilloquartz look nice, but only found em on ebay as well... > I've ordered 4 pieces of the MV89, maybe chinese customs will clear em and > one of em will be working ok, altho thats a lotta maybes... > if anyone has any alternative suggestions, please let me know! > > > > > >> Von: Azelio Boriani <[email protected]> >> Datum: 7. November 2013 11:16:11 MEZ >> An: Discussion of precise time and frequency measurement <[email protected]> >> Betreff: Re: [time-nuts] Morion MV89 and LTC6957 >> Antwort an: Discussion of precise time and frequency measurement >> <[email protected]> >> >> >> Daniel, I suggest a MTI 260 OCXO or an Oscilloquartz 8663. >> >> On Thu, Nov 7, 2013 at 1:47 AM, Bob Camp <[email protected]> wrote: >>> Hi >>> >>> All of the eBay OCXO’s are pulled from scrap gear. If they have been on >>> eBay for a while, it’s a good bet that the gear has been pretty well picked >>> over. The only time you can get fairly good parts is when the first hit the >>> market. >>> >>> Bob >>> >>> On Nov 6, 2013, at 5:54 PM, Daniel Mendes <[email protected]> wrote: >>> >>>> >>>> Ok... maybe i´ll make a not so smart question but... if the MV89 is bad, >>>> what´s the recomended parts from ebay for something like that? (10MHz OCXO >>>> to upgrade some sort of equipment) >>>> >>>> (I´m asking because I did almost the same thing than our friend Hagar... I >>>> noticed that the MV89 wasn´t as good as I would like it to be). >>>> >>>> Daniel >>>> >>>> Em 06/11/2013 20:29, Bob Camp escreveu: >>>>> Hi >>>>> >>>>> You would want a 50 ohm load on the output of the OCXO. Based on recent >>>>> experience, you may have to buy 10 or more before you find one that is >>>>> reasonably close to working correctly. The low output issues are far from >>>>> the only problem on these units. >>>>> >>>>> Bob >>>>> >>>>> On Nov 6, 2013, at 9:27 AM, HagaaarTheHorrible >>>>> <[email protected]> wrote: >>>>> >>>>>> Hello there, >>>>>> >>>>>> I'm trying to build a low phase noise signal generator with a Morion >>>>>> MV89 OCXO. ( http://www.morion.com.ru/catalog_pdf/MV89-OCXO.pdf ) >>>>>> The 10 MHz Sine coming from the MV89 shall be converted to a 10 MHz >>>>>> rectangle with the LTC6957-3 ( >>>>>> http://cds.linear.com/docs/en/datasheet/6957f.pdf ). >>>>>> Since the information in the MV89's data sheet is rather thin and >>>>>> shipping is taking a lot longer than expected/promised, I thought I'd >>>>>> ask if someone here has any experience with it and maybe can answer some >>>>>> questions I have... >>>>>> >>>>>> 1. Does anyone know if the MV89 is internally AC coupled / if the Output >>>>>> Sine has an Offset? >>>>>> >>>>>> 2. I'm not sure if termination is needed in this case or which way to >>>>>> terminate would be best for a low phase noise/low jitter application. >>>>>> Can anyone give me some hints to what would be important? >>>>>> >>>>>> >>>>>> Thanks a lot! > > _______________________________________________ > 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. _______________________________________________ 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.
