Agilent Technologies 81101A - Trigger and Strobe Level Parameters

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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