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4-18
Section 4 OPERATING INSTRUCTIONS
4.3.5 Offset voltage setting range
Fig. 4.3.5-1 Offset Reference Value and Amplitude Change
Note: Since the offset-voltage upper and lower limit values are limited by V
OH
(-2.0 V V
OH
+2.0 V), when V
TH
or V
OL
are set, the amplitude is limited at a certain value and may not change further.
Example: If V
OL
is set at +1.00 V offset voltage and if there is a signal with amplitude 0.5 Vp-p added, that amplitude
can only be increased to 1.0 Vp-p.
This is because their superposition after the increase would be meeting the maximum allowable level +2.00 V.
Figures 4.3.5-2 to 4.3.5-4 show the relationships between amplitude and offset-voltage settable ranges at three offset
references.
V
OH
TH
V
OL
V
(Large amplitude)
(Small amplitude)