[time-nuts] looking for SMT oscillator SC cut, with no oven

Alex Pummer alex at pcscons.com
Wed Aug 26 19:46:46 EDT 2015


But if he needs 100dBc at 10Hz that is Wenzel's stronghold 
[https://twitter.com/ultralownoise]
look that:  http://www.wenzel.com/wp-content/parts/501-04517.pdf
73
KJ6UHN
Alex

On 8/26/2015 2:38 PM, Gerhard Hoffmann wrote:
> Am 26.08.2015 um 22:04 schrieb Javier Herrero:
>>
>> I suppose that one of the alternatives that you've explored are the 
>> ABLNO from Abracon http://www.abracon.com/Precisiontiming/ABLNO.pdf
>
> looks just like this one from Crystek:
>
> < http://www.digikey.de/product-search/de?keywords=cvhd-950 >
>
> but that fails the specs, also. If you have a good quality 5 or 10 MHz 
> source in your
> system, you can lock the VCXO to it and clean it up close to the carrier.
>
> Last week, I asked for the prices of the 100 MHz Pascalls (not SMD but 
> SMA)
> but at > € 4K +VAT a piece I better make someone select crystals 
> myself. :-(
>
> Maybe Axtal has something.
>
>> They say that they are 3rd overtone, but it seems more an AT-cut than 
>> a SC, and anyway is around 10dB poorer
>
> SC requires high temperature, that does not go together well with SMD 
> and low power.
>
>
> regards, Gerhard
>
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