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The Format Menu
State Acquisition Mode Field (State only)
State Acquisition Mode Field (State only)
The State Acquisition Mode field identifies the channel width and memory
depth of the selected acquisition mode. When the State Acquisition Mode
field is selected, two configurations of channel width/memory depth become
available. Use the State Acquisition Mode to configure the analyzer for the
best use of available memory and channel width.
Full Channel 4K Memory 100 MHz/50 MHz
The Full Channel selection uses both pods in a pod pair for 34 channels of
width and a total memory depth of 4 Kbytes per channel. If time or state tags
are turned on, the total memory is evenly split between data acquisition
storage and time or state tag storage. To maintain the full 4 Kbytes per
channel depth, leave one pod pair unassigned. The maximum state clock
speed is 100 MHz (1660A through 1663A) or 50 MHz (1664A).
Half Channel 8K Memory 100 MHz/50 MHz
The Half Channel selection cuts the channel width to 17 channels. In this
mode, the pod used within the pod pair is selected through the Pod field. In
Half Channel mode, the memory depth is increased to 8 Kbytes per channel.
Time or state tags are not available in this mode. The maximum state clock
speed is 100 MHz (1660A through 1663A) or 50 MHz (1664A).
State acquisition
mode field
Acquisition mode
selection menu
State Acquisition Mode Field
11–4
Pod field
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