. , .
( )
. U = 100 .
U. = 104 -105. .. max . , .
:
- () Re , , . .. .
: .
.
, , . .. U +2, -12.
U=-2B.
, , 2.
, , , .
, R27, R28. U, U = U.. U+=U.·R28/(R28+R27). U . U U+ , U+ . U U.min, U+ U+min= U.min·R28/(R28+R27). , . U. , U+min.
, : .