[time-nuts] MTI 260-0624-D OCXO

timenut at metachaos.net timenut at metachaos.net
Sat Mar 5 16:45:08 EST 2016


I got the replacement MTI 260-0624-D OCXO today.

It rattles!

I didn't even bother trying to power it up. Not much point. I have not taken
it apart, but have notified the seller. I may disassemble this one as well,
depending on what the seller says.

Mike


> I just received a 5Mhz OCXO from eBay (MTI 260-0624-D OCXO). After testing it,
> it is clear that it is defective.

>    1. It never heats up.

>    2. The reference voltage is zero.

>    3. Only noise is seen on the output pin.

> I tested with a 12.54V, 2A supply voltage with around 30mV noise. That should
> be sufficient to test.

> All I was looking for was a 5Mhz signal whose frequency changed when the
> adjustment pin was either tied to ground or the reference voltage. Never got
> that far because I never go a signal at all.

> The seller packed it well and shipped it promptly. I will see how he handles
> it.


> Mike

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-- 
Best regards,
 Timenut                            mailto:timenut at metachaos.net



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