[time-nuts] 5061 Long Time Constant

[Tom Van Baak]

> I guess I'm not surprised that perhaps the cap in the older unit is more
> leaky, resulting in a greater shift.  But I am surprised that the offset
> could be large enough (a) that it couldn't be tuned out via C field, yet
> (b) wouldn't trigger an alarm and cause the green light to go out.
> 
> Has anyone here experienced anything like this?  Might something else be
> going on?
> 
> John

Have you checked the C-field tuning range for each one?

Some 5061A were wired for coarse tuning (early units); others
(later units) fine tuning. Easy to measure - just turn 1 or even
1/10 division and measure the output frequency change.

/tvb