[time-nuts] FTS 1200

EWKehren at aol.com EWKehren at aol.com
Thu Aug 9 19:49:24 EDT 2012


The unit starts high and over 20 minutes comes down to 4.9999975 with 0 V  
on the EFC. Any voltage on pin 2 and it quits oscillating.
Bert
 
 
In a message dated 8/9/2012 7:06:48 P.M. Eastern Daylight Time,  
lists at rtty.us writes:

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
> 
>  
> _______________________________________________
>  time-nuts  mailing list -- time-nuts at febo.com
> To unsubscribe, go  to  
>  https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow  the  instructions there.
>  _______________________________________________
> time-nuts mailing list  -- time-nuts at febo.com
> To unsubscribe, go to  
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the  instructions  there.


_______________________________________________
time-nuts  mailing list -- time-nuts at febo.com
To unsubscribe, go to  
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the  instructions there.



More information about the time-nuts mailing list