[time-nuts] Re: Looking for OCXO info - MTI 250-0709-B

[Erik Kaashoek]

Ed,
Thanks for this info.
Where you able to measure the phase noise of your MTI 250?
Erik.


On 22-7-2022 7:29, ed breya via time-nuts wrote:
> I fired one up, and found the following info:
>
> Vs +12VDC works just fine, draws about 400 mA cold start, down to 150 
> mA warmed up. Initial current draw rises with input voltage, up to 
> about 11V, then constant, viewed up to 16 V.
>
> Cold start frequency less than 9.999953 MHz, reaching normal in about 
> 5-10 minutes.
>
> Output is sine - haven't measured accurately yet but seems about right 
> on scope for the typical +9 dBm specs listed.
>
> Tune reference about +8 V.
>
> Frequency tune range about +12/-17 Hz, at Vt = 0V/+8V (Vr).
>
> !0 MHz "exact" is at Vt = +3.096 V
>
> Ed
>