The external input (EXTERNAL IN) can be used to connect an
external arming source (triggered or gated modes).
The trigger signal (TRIGGER OUT) marks the start of the pulse period
or of parts of a pattern (see Mode/Trigger Screen.). You can set the
output levels according to the used technology (TTL and ECL) or
enter test-specific values. Trigger Out is available as a physical BNC
connector at the 81150A. For the 81160A, a ‘Logical Trigger Signal’ is
generated for channel 1 and channel 2 internally and is routed to the
physical BNC connector Sync Out A and/or Sync Out B using a
configurable switch matrix.
The strobe signal (STROBE OUT) marks beginning and end of a burst
in Burst mode. Strobe Out is available as a physical BNC connector
at the 81150A. For the 81160A, a ‘Logical Strobe Signal’ is generated
for channel one and channel 2 internally and is routed to the physical
BNC connector Sync Out A and/or Sync Out B using a configurable
switch matrix.
81160A only: The sync signal (SYNC OUT) outputs the ‘Logical
Trigger Signal’ and/or the ‘Logical Strobe Signal’ at the front panel
BNC connector. The instrument offers full flexibility how ‘Logical
Trigger Signal’ and/or ‘Logical Strobe Signal’ is routed to Sync Out A
and/or Sync Out B.
The OUTPUT connectors provide the signal output (normal and
inverted) and the indicators show the current state of the output (on
or off).
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