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Nominal Traits
Table 2–3: Nominal traits — Signal acquisition system
Name
Bandwidth Selections
Samplers, Number of
Digitized Bits, Number of
Input Channels, Number of
Input Coupling
Input Impedance Selections
Ranges, Offset
(All except TDS 794D)
All e e t D
D
Ranges, Offset (TDS 794D only)
Range, Position
3
Range, 1 M Sensitivity
Range, 50
Sensitivity
1
Displayed vertically with 25 digitization levels (DLs) per division and 10.24 divisions dynamic range with zoom off. A DL
is the smallest voltage level change of the oscilloscope input that can be resolved by the 8-bit A-D Converter. Expressed
as a voltage, a DL is equal to 1/25 of a division times the volts/division setting.
2
The sensitivity ranges from 1 mV/div to 10 V/div (for 1 M ) or to 1 V/div (for 50 ) in a 1–2–5 sequence of coarse settings
with Fit-to-Screen off. Between coarse settings, the sensitivity can be finely adjusted with a resolution equal to 1% of the
more sensitive coarse setting. For example, between 50 mV/div and 100 mV/div, the volts/division can be set with 0.5 mV
resolution.
3
1 M not available on TDS 794D
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
This section contains a collection of tables that list the various nominal traits
that describe the TDS 500D, TDS 600B, and TDS 700D oscilloscopes. Electrical
and mechanical traits are included.
Nominal traits are described using simple statements of fact such as "Four, all
identical" for the trait "Input Channels, Number of," rather than in terms of
limits that are performance requirements.
Description
20 MHz, 250 MHz, and FULL (No BW limit on TDS 794D)
TDS 540D, 580D, 644B, 684B, 754D, 784D, and 794D: Four, simultaneous
TDS 520D, 620B, 680B, and 724D: Two, simultaneous
1
8 bits
Four
DC, AC, or GND (TDS 794D – DC or GND only)
1 M
or 50
(TDS 794D – 50
Volts/Div setting
1 mV/div – 100 mV/div
101 mV/div – 1 V/div
1.01 V/div – 10 V/div
10 mV/div – 50 mV/div
50.5 mV/div – 99.5 mV/div
100 mV/div – 500 mV/div
500 mV/div – 1 V/div
5 divisions
2
1 mV/div to 10 V/div
2
1 mV/div to 1 V/div
(10 mV/div – 1V/div on TDS 794D)
only)
Offset range
1 V
10 V
100 V
0.50 V
0.25 V
5 V
2.5 V
2–11
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