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Erfahrener Benutzer
Fleißiges Mitglied
Offset Voltage Nulling
The input offset voltage can be nulled by connecting a 10kΩ
potentiometer between Terminals 1 and 5 and returning its
wiper arm to terminal 4, see Figure 3A. This technique,
however, gives more adjustment range than required and
therefore, a considerable portion of the potentiometer
rotation is not fully utilized. Typical values of series resistors
(R) that may be placed at either end of the potentiometer,
see Figure 3B, to optimize its utilization range are given in
the Electrical Specifications table.
An alternate system is shown in Figure 3C. This circuit uses
only one additional resistor of approximately the value
shown in the table. For potentiometers, in which the
resistance does not drop to 0Ω at either end of rotation, a
value of resistance 10% lower than the values shown in the
table should be used.
Steht dazu im Datenblatt, aber eigentlich mache ich doch da nichts anders mit als mit meiner Nullpunktverschiebung oder?
Gruß Johann!
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