Specifications

Logic Threshold Setup
The threshold voltage setting is used by the input comparators to determine
whether an input signal is a logic low or logic high. The settings for each
option are shown in the following table.
Table 4-3
Threshold Voltage Settings
Option Voltage
TTL 1.40 V
CMOS 2.50 V
ECL -1.30 V
Variable Variable from –6.00 V to +6.00 V
Variable threshold
softkey
Figure 4-19
Configuring the Mixed-Signal Oscilloscope
To change the logic threshold for input signals
4-52