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
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