[time-nuts] FTS 1200

Bob Camp lists at rtty.us
Thu Aug 9 19:05:23 EDT 2012


Hi

As the unit warms up, you should be able to tell weaner it starts off above 5 or below 5 MHz. There are enough different crystal cuts that *might* be in there that checking it at turn on is the easy approach. If it starts low and is off low, the heater may be the issue.

Bob

On Aug 9, 2012, at 6:53 PM, EWKehren at aol.com wrote:

> Bjoern
> No not able to tune it to 5 MHz.
> Bert
> 
> 
> In a message dated 8/9/2012 6:48:59 P.M. Eastern Daylight Time,  
> bg at lysator.liu.se writes:
> 
> Hi  Bert,
> 
>> I have a FTS 1200 that is off by about 2 Hz.   Have  decided to take a
>> closer look. Does any one have technical  Information I should  study
>> before I
>> open it up.
>> Thanks
>> Bert Kehren
> 
> The efc range on my FTS 1200 goes from about  -1.5Hz to +2Hz (0V to +10V).
> Is your FTS1200 of even with max (or min) efc  voltage?
> 
> --
> 
> Björn
> 
> 
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