SIGLENT TECHNOLOGIES SDS1104X-E - Logic Threshold, Digital Bus, Deskew, and System Settings

SDS1000X-E User Manual
158
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All Digital Channels
1. Press the Digital button on the front panel to open the DIGITAL function menu.
2. Press the Channel Group softkey to select On or Off to switch all digital channels
which in this group on or off.
Also, under the DIGITAL function menu, press the Digital button on the front panel to
switch all digital channels off.
Logic Threshold
1. Press the Digital button on the front panel to open the DIGITAL function menu.
2. Press the Threshold softkey to enter the THRESHOLDS menu.
3. Press the D0~D7or D8~D15softkey, then turn the Universal Knob to select a logic
family preset or select Custom to define your own threshold.
Figure 93 THRESHOLDS Function Menu
Logic Family
Threshold Voltage
TTL
1.5V
CMOS
1.65V
LVCMOS3.3
1.65V
LVCMOS2.5
1.25V
Custom
Variable from -3V to +3V
 The threshold you set applies to all channels.
 Values greater than the set threshold are high (1) and values less than the set
threshold are low (0).
 If the D0~D7or D8~D15 softkey is set to Custom, press the Custom softkey, then
turn the Universal Knob to select the desired value and push down the knob to
confirm.