Digital Channels 6
Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide 101
See “Pattern Trigger" on page 130 for more information on Pattern triggering.
Digital channel signal fidelity: Probe impedance and grounding
When using the mixed-signal oscilloscope you may encounter problems that are
related to probing. These problems fall into two categories: probe loading and
probe grounding. Probe loading problems generally affect the device under test,
while probe grounding problems affect the accuracy of the data to the
measurement instrument. The design of the probes minimizes the first problem,
while the second is easily addressed by good probing practices.
Input Impedance
The logic probes are passive probes, which offer high input impedance and high
bandwidths. They usually provide some attenuation of the signal to the
oscilloscope, typically 20 dB.
Digital
channel
values
at cursor
Trigger
pattern
definition
Bus values
displayed
Analog
channel
values
at cursor
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