[time-nuts] cheap 5V OCXO in 14DIP has about 1E-9 drift per day
Peter Loron
peterl at standingwave.org
Thu Apr 7 18:43:47 UTC 2011
I can't speak for anybody else on the list, but if there was an
inexpensive converter to get a good stable 10MHz signal from one of the
cheap 26MHz OCXOs, I'd sure be interested in building/buying one.
-Pete
On 04/06/2011 06:23 PM, Greg Broburg wrote:
> Hi Pete;
>
> I bought 10 of these from you already. Im working on
> a converter that has 26M00 Hz in to 10M00 Hz out.
> Not sure if that is of any interest but Im putting it on
> the table.
>
> Greg
>
> On 4/6/2011 3:56 PM, Peter Loron wrote:
>> Hello, folks. I'm the seller of the 26MHz OCXOs. Please reply off
>> list if you are interested in some. Thanks.
>>
>> -Pete
>>
>> On 04/06/2011 08:58 AM, Oz-in-DFW wrote:
>>> Who is the seller?
>>>
>>> On 3/28/2011 1:40 PM, beale wrote:
>>>> Just FYI, I'm not sure how this compares to other similar parts,
>>>> but I'm seeing about +/- 1 ppb (1E-9) frequency drift per 24 hour
>>>> period from one sample of the Pletronics OHM40480526, which I've
>>>> had running for about 10 days now. It runs on +5V and after a
>>>> warmup current of 250 mA for a few seconds, it draws about 60 mA
>>>> steady state at room temperature. I'm driving the tuning voltage
>>>> on pin 1 from a separate +5V reference to avoid variations due to
>>>> heater current shifts. I use a simple resistive trimpot divider to
>>>> set the voltage, this is not a GPSDO (yet :-).
>>>>
>>>> I'm sure most on this list have more refined tastes in oscillators
>>>> than this one (and probably want 10 MHz instead of 26 MHz), but I
>>>> thought it noteworthy because it is so cheap. These parts are
>>>> currently available online for $2 each. I'm not affiliated with the
>>>> seller.
>>>>
>>>> a few more details:
>>>> http://www.bealecorner.org/best/measure/time/Pletronics-26MHz-OCXO-tuning.pdf
>>>>
>>>> http://www.bealecorner.org/best/measure/time/26MHz-osc-notes.txt
>>>>
>>
More information about the Time-nuts_lists.febo.com
mailing list