TDS 310, TDS 320 & TDS 350 Service Manual 1Ć7
Typical Characteristics
Typicalcharacteristics are described in terms of typical or average
performance. Typicalcharacteristics are not warranted.
TableĂ1Ć6:ăTypical Characteristics Ċ Signal Acquisition System
Name Description
Accuracy,DC Gain, Envelope
Acquisition Mode
±3% for sec/div settings from 5 Sec/Div to 25 sec/div;
TDS 310:ñ2% for sec/div settings from 10 s/div to 10 ns/div;
TDS 320:ñ2% for sec/div settings from 10 s/div to 5 ns/div;
TDS 350:ñ2% for sec/div settings from 10 s/div to 2.5 ns/div
Accuracy,DC Voltage Measurement,
Sample Acquisition Mode
Measurement Type
Any Sample
Delta Volts between any two samĆ
ples2acquired under the same setĆ
up and ambient conditions
DC Accuracy
±(2.0% (|reading - Net
ąOffset1|) + Offset Accuracy
ą+ 0.13 div + 0.6 mV)
±(2.0% |reading| + 0.26 div
ą+ 1.2 mV)
Frequency Limit, Upper,20 MHz
Bandwidth Limited
20 MHz
Step Response Settling Error Volts/Div Setting Step
Amplitude
Settling Error (%)3
2 mV/div - 99.5 mV/div
100ĂmV/divā -
995 mV/div
1 V/div - 10 V/div
≤2V
≤20 V
≤200 V
100 ns
≤1.0
≤1.5
≤2.5
20 ms
≤0.1
≤0.2
≤0.2
Common Mode Rejection Ratio
(CMRR)
100:1 at 60 Hz, reducing to 20:1 at 50 MHz, with equal Volts/Div and
Coupling settings on each channel.
1Net Offset = Offset - (Position ×Volts/Div).Net Offset is the voltage level at the center of the AĆD converter dynamic range. Offset
Accuracy is the accuracy of this voltage level.
2The samples must be acquired under the same setup and ambient conditions.
3The values given are the maximum absolute difference between the value at the end of a specified time interval after the midĆlevel
crossing of the step, and the value one second after the midĆlevel crossing of the step, expressed as a percentage of the step
amplitude.