Appendix B: Specification
V
Table A-4: Electrical Characteristics (Cont.)
Characteristics Performance Requirements
SAVE Mode Expansion or Compression
Range
Up to 10 times as determined by the remaining VOLTS/DIV
switch positions up or down.
2 mV per division acquisitions cannot be expanded, and 5 V
per division acquisitions cannot be compressed.
Any portion of a stored waveform vertically magnified or com
pressed up to 10 times can be positioned to the top and to
the bottom of the graticule area.
Storage Display Expansion Algorithm Error
±0.1% of full scale.1
Storage Display Compression Algorithm
Error
+0.16% of reading ±0.4% of full scale.1
Horizontal
Resolution
10 bits (1 part in 1024),1
Calibrated for 100 data points per division.
Differential Accuracy
Graticule indication of time cursor difference is ±2% of the
readout value, measured over the center eight divisions.
SAVE Mode Expansion Range (YT mode)
10 times as determined by the X I0 MAG switch.
Expansion Accuracy
Same as the Vertical.1
1 Performance requirement not checked in manual.
2221A User Manual
A-17
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