[time-nuts] KS-24361 EFC Error

Dave M dgminala at mediacombb.net
Wed Aug 12 13:13:24 EDT 2015

I have verified with MTI that the recommended tuning voltage for model 
260-0624-C is 0 to 6V.
The datasheet range of -10V to +10V is the available range of EFC for the 
entire 260 series, and may or may not apply to any specific model within the 
260 series.

Dave M

Dave M wrote:
> The OCXO in these units is the MTI-Milliren model 260.  According to
> its datasheet, the tuning voltage range is -10Vto +10V.
> (http://www.mti-milliren.com/pdfs/260.pdf)
> Cheers,
> Dave M
> GandalfG8--- via time-nuts wrote:
>> Bevor I heat up the big soldering iron to remove the OCXO, I wanted
>> to ask if anybody else experienced this before and if anybody can
>> confirm that tuning voltage range is indeed 0..6 Volt. If so, replacing 
>> the
>> should cure the problem.
>> Hi Mathias
>> I've not experience your problem with the KS-24361, but I  have
>> tested a
>> few of these oscillators stand alone and can confirm that the
>> reference voltage output has always been approximately 6 Volts and
>> they do  accept an EFC tuning voltage range of 6 Volts.
>> Other than one faulty unit, on all those I've tested the EFC voltage
>> has
>> been very close to 3 Volts when the oscillator frequency was within a
>> few parts in 10^11 of 5 MHz.
>> For example, looking back at a couple of test results, one was at
>> 2.9725 Volts and another at 3.0970 Volts.
>> Regards
>> Nigel
>> Hey, hows about that, It seems like I might finally have found a way
>> to
>> reply to list messages straight from the archives without  receiving
>> them by email:-)

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