3 Features and Functions
82 Keysight 33210A User’s Guide
–For frequency sweeps with Marker Off, the Sync signal is a square waveform
with a 50% duty cycle for the duration of the sweep. The Sync signal is a TTL
“high” at
the beginning of the sweep and goes “low” at the midpoint of the
sweep
. The Sync signal is synchronized with the sweep, but is not literally
equal to the sweep time because its timing includes the re-arm time.
–For frequency sweeps with Marker On, the Sync signal is a TTL “high” at the
beginning of the sweep and goes “low” at the marker frequency.
–For a triggered burst, the Sync signal is a TTL “high” when the burst begins
.
The Sync signal
is a TTL “low” at the end of the specified number of cycles (may
not be
the zero-crossing point if the waveform has an associated start phase).
For an
infinite count burst
, the Sync signal is the same as for a continuous
waveform.
–For an externally-gated burst, the Sync signal follows the external gate signal.
However, note that the signal will not go to a TTL “low” until the end of the last
cycle (may not be the zero-crossing point if the waveform has an associated
start phase).
– Front-Panel Operation: Press and select the Sync softkey again to
toggle between “off” and “on”.
– Remote Interface Operation:
OUTPut:SYNC {OFF|ON}
Setting is stored in non-volatile memory
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