66
Using the Agilent 81101A
The Trigger-Level Screen
S
ET
TTL
Set the input threshold to +2.5 V.
You can adjust the threshold by moving the entry focus to the value.
S
ET
ECL
Set the input threshold to 1.3 V.
You can adjust the threshold by moving the entry focus to the value.
V
OLTAGE
Set any threshold level in the range of 10.0 V to +10.0 V. Move the
entry focus to the value to adjust it.
EXT-IN and CLK-IN Impedance Parameters
Toggle the input impedance of the external input connector or the clock
input connector between 50
Ω
and 10 k
Ω
.
Trigger and Strobe Level Parameters
You can individually set the output levels of the TRIGGER OUT
connector and the STROBE OUT connector.
Set the output levels (into 50
Ω)
to
TTL
High level: +2.50 V
Low level: 0 V
ECL
High level: 0.85 V
Low level: 1.80 V
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