User manual

Mixed Signal Option (MSO, R&S RTO-B1)
R&S
®
RTO
321User Manual 1316.0827.02 ─ 06
11.1 About MSO
The Mixed Signal Option provides 16 digital channels grouped in two logic probes (pods)
with 8 channels each. The instrument ensures that analog and digital waveforms are time-
aligned and synchronized so that critical timing interactions between analog and digital
signals can be displayed and tested. The automatic alignment compensates the skew
between the probe connectors of the analog channels and the probe boxes of the digital
channels.
If digital channels are active, the equivalent-time sampling is not available.
Digital channels and parallel buses
Each digital channel can be displayed on the screen and used as trigger source. Digital
channels may be grouped and displayed as a parallel bus, all 16 digital channels are
available for bus assigment. Up to four parallel buses can be configured; and two bus
types are supported: clocked bus and unclocked bus. The clocked bus is available only
on parallel bus 1 and 2.
You can display each bus and use it as trigger source, as well. For each active parallel
bus, the corresponding signal icon appears on the signal bar and indicates the assigned
digital channels. Individual digital channels do not have a signal icon.
About MSO