User`s manual

CYDAS UDR Library User’s Guide Analog Input Boards - CYDAS 4020
32
Number
of
Channels
Rate in MHz Packet
Size in
Samples
Minimum
Sample Size
(two packets)
Contiguous
Memory
Min Contiguous
Memory (based on
Min Sample Size)
20 >= Rate
>=13.3
131,072 262,144 Required 512 KB
13.3 > Rate >= 4 65,536 131,072 Required 256 KB
4 > Rate >= 2 4,096 8,192 Not Required 0 KB
1
2 > Rate 2,048 4,096 Not Required 0 KB
20 >= Rate >=
6.6
131,072 262,144 Required 512 KB
6.6 > Rate >= 2 65,536 131,072 Required 256 KB
2 > Rate >= 1 4,096 8,192 Not Required 0 KB
2
1 > Rate 2,048 4,096 Not Required 0 KB
20 >= Rate >=
3.3
131,072 262,144 Required 512 KB
3.3 > Rate >= 1 65,536 131,072 Required 256 KB
1 > Rate >= 0.5 4,096 8,192 Not Required 0 KB
4
0.5 > Rate 2,048 4,096 Not Required 0 KB
*Note that the EventData for ON_PRETRIGGER events may not be accurate. In general, this value will be below
the actual number of pretrigger samples available in the buffer.