Appendix B: Specification
V
Table A-4: Electrical Characteristics (Cont.)
Characteristics Performance Requirements
Useful Storage Bandwidth
RECORD and REPETITIVE Store Modes
----------
5
---------
H2\
SECtDIV setting
STORE Mode Time Difference Between
Y-Axis and X-Axis Signals
RECORD, SCAN, and ROLL Modes ± 1.0 ns1
REPETITIVE Store
SEC/DIV setting /f1
100 x 4
Probe Adjust
Output Voltage on PRB ADJ Jack
0.5 V ±5%
Probe Adjust Signal Repetition Rate
1 kHz ±20%1
Z-Axis
Sensitivity (NON-STORE Only)
5 V causes noticeable modulation. Positive-going input de
creases intensity.
Usable frequency range is DC to 20 MHz,
Maximum Input Voltage A
30 V {DC + peak AC) or 30 V p-p at 1 kHz or less.1
Input Resistance
Greater than 10 kO.1
X-Y Plotter Output
Maximum Safe Applied Voltage, Any A
Connector Pin A-a
25 V (DC + peak AC) or 25 V p-p AC at 1 kHz or less.1
X and Y Plotter Outputs
Pen Lift/Down
Fused relay contacts, 100 mA maximum.1
Output Voltage Levels
500 mV per division ±20%. Center screen is 0 V ±1 division.
Measured with a DC-coupied, five-division reference signal.
Series Resistance
2 kO ±10%1
1 Performance requirement not checked in manual.
2221A User Manual
A-19
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