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Appendix A: Specifications
Typical Characteristics
Typical characteristics are described in tCrmS of typical or average pcrformancc.
Typical characteristics are not warranted.
Table A-S: Typical characteristics -signal acquisition system
Name
Accuracy, DC Gain, Envelope
Acquisition Mode
Description
T3% for secidiv settings from 5 SeclDiv to 25 t.rsec/div;
&2% for secldiv settings,fmm 10 Hsidiv to 5 nsldiv (TDS 340);
12% for secldiv settings from 10 Hsidiv to 2.5 nsidiv (TDS 360);
k2% for seddiv settinas from 10 us/div to 1 ns/div (TDS 3801
Accuracy, DC Voltage Measurement,
Sample Acquisition Mode
Measurement type
Any Sample
Delta Volts between any two samples2
acquired under the same setup and
ambient conditions
DC accuracy
k(2.0% x (treading - Net Offset’l) + Offset
Accuracy + 0.13 div + 0.6 mV)
?(2.0% x treading1 + 0.26 div + 1.2 mV)
Frequency Limit, Upper, 20 MHz Eand-
width Limited
20 MHz
Step Response Settling Error
VoiWDiv step Settling error (%)3
setting
amplitude
100 ns 20ms
2 mV/div - 99.5 mV/div
<2V 51 .o 50.1
100 mV/div - 995 mV/div
520 V 21.5 so.2
1 Vldiv - IO Vldiv 5200 v a.5 SO.2
Common Mode Rejection Ratio (CMRR)
1OO:i at 60 Hz, reducing to 2O:l at SO MHz, with equal VoltslDiv and Coupling settings
on each channel.
1
Net Offset : Offset - (Position x VoMDiv). Net Offset is the voltage level at the center of the A-D converter dynamic
range. Offset Accuracy is the accuracy of this voltage level.
2 The samples must be acquired under the same setup and ambient conditions.
3 The values given are the maximum absolute difference betieen the value at the end of a specified time interval after the
mid-level crossing of the step, and the value one second after the mid-level crossing of the step, expressed as a
percentage of the step amplitude,
TDS 340,
TDS 360
& TDS 380 User Manual
A-5
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