[time-nuts] Austrong 2010B and 2100 configuration question

John Ackermann N8UR jra at febo.com
Sun Mar 18 15:52:44 UTC 2007


Yeah, I've heard that.  One of my plans is to use the combo to drive an
NTP server (providing both the CPU clock, and the 1pps) and for that the
step size shouldn't be a problem.

John
----

Chuck Harris said the following on 03/18/2007 11:30 AM:
> Hi John,
> 
> I did this with my 2000C and a 2010B, and it worked OK, but I never
> really liked the results.  The 2010B is really a piece of garbage for
> general lab use.  It has way too course of a step size to be useful
> as a lab standard.
> 
> I seem to recall that it dithered about the Loran C reference in
> discrete 1 E 10 steps.  That would be very annoying if you were using
> the 2010B to multiply up to S-Band... sure, on average you would be
> spot on, but in the short term, your signal would hop all over the
> place.
> 
> -Chuck Harris
> 
> John Ackermann N8UR wrote:
>> Can the 2100 LORAN receiver and 2010B disciplined oscillator run in a
>> closed loop configuration with the output from the 2010B feeding the
>> reference input of the 2100, and the corrected 1 MHz output from the
>> 2100 feeding the reference input of the 2010B?
>>
>> It seems like this is either (a) the obvious configuration, or (b) a bad
>> idea that has the potential for the control loop to run away to la la land.
>>
>> Thanks,
>>
>> John
>>
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