[time-nuts] Interesting 1-60 MHz =/- 50 ppb Stratum-3 TCXO chip

[Richard Solomon]

Been there, did a search on the part number and came up empty.

They did have a "Request Samples" button so I filled out the form. Let's
see what happens.

73, Dick, W1KSZ

On Fri, May 1, 2020, 5:40 PM jimlux <jimlux at earthlink.net> wrote:

> On 5/1/20 5:00 PM, Richard Solomon wrote:
> > Where do you buy these ? Their web site was not too illuminating.
> >
>
>
> digikey and mouser carry a lot of SiTime parts, including eval boards.
>
>
> > Tnx, Dick, W1KSZ
> >
> > On Fri, May 1, 2020, 4:31 PM mpb45 at clanbaker.org <mpb45 at clanbaker.org>
> > wrote:
> >
> >> Hello, time Nutters--
> >>
> >> I have been phase locking the freq counters in my HP 6-GHz VNA,
> Tektronix
> >> spectrum analyzer and bench freq counter to the 10 MHz signal from
> >> a Trimble Thunderbolt via a 4-port distribution box and long coax cables
> >> to each of the instruments.  This works well but is a pain in the tush
> >> connecting to long coax cables when the bench test gear are moved
> around.
> >>
> >> A friend suggested looking into some MEMS TCXO's made by SiTime to
> >> do this with.   SiTime offers a wide variety of Stratum-3 TCXO chips.
> One
> >> of them is the SiT5358 which is spec'd at 0.05 ppm from 1 to 60 MHz.
> >>
> >> https://www.sitime.com/products/super-tcxos/sit5358
> >>
> >> I am wondering what any feedback thoughts might be on this from
> >> the Time-Nuts gang?  An eval-PCB board for the SiT5358 chip is
> >> available.  What say the Time-Nutters gang about this approach for
> >> incorporating a small SiT5358 eval-PCB board into my bench test
> >> gear for phase locking to?  I am also wondering which of the
> >> SuperStratum3 TCXO chips might be the best choice for a project
> >> like this?
> >>
> >> Any feedback on this is most welcome!
> >>
> >> Mike Baker
> >> Gainesville/Micanopy, Florida
> >> *****************
> >>
> >>
> >>
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