[Elecraft] RIT Knob asymmertry / calibration
David Pratt
[email protected]
Fri Aug 8 02:00:00 2003
I would have thought that this would have been well within the tolerance
of the pot used for the RIT control, Andrey. Mine is similar to yours,
but I can live with it.
An obvious way to improve the symmetry would be to add a small resistor
to one end of the pot.
73 de David G4DMP
In a recent message, Andrey Stoev <[email protected]> said....
>I noticed that my RIT has some small asymmetry - when the knob is
>centered - switching RIT on and off doesnt change the main frequency so
>i assume that its right on zero.
>Then when i turn it right it goes to +62 (620 Hz) and turning it to the
>left will go down to -59 (-590 Hz)
>The overall range of the RIT is not symmetric : if I am lets say on
>14,200.00 and switch the RIT on, by turning the knob it will go up to
>14,200.62 and in the other directon down to 14,199.41.
>Its not a bid deal but I am curious is there a way to equalize it?
>Any help will be appreciated!