Table 2-11: Warranted Characteristics - Time Base System - Tektronix TDS 500D Technical Reference

Warranted Characteristics
Table 2–10: Warranted characteristics — Signal acquisition system (cont.)
Name
Input Voltage, Maximum, DC-50 W or
AC–50 W Coupled
Net Offset = Offset – (Position × Volts/Div). Net Offset is the nominal voltage level at the oscilloscope input that
1
corresponds to the center of the A-D converter's dynamic range. Offset Accuracy is the accuracy of this voltage level.
2
The limits given are for the ambient temperature range of 0_C to +30_C, range of 4_C to +30_C for a TDS694C. Reduce
the upper bandwidth frequencies by 5 MHz for the TDS 600C, by 20 MHz for TDS 694C, by 2.5 MHz for the 500 MHz
TDS 500D/700D/714L models, by 5 MHz for the 1 GHz TDS 500D/700D models, and by 10 MHz for the 2 GHz
TDS 500D/700D models for each _C above +30_C.
Input Voltage, Maximum, DC-50 W
Coupled TDS 694C/794D ?
Lower Frequency Limit, AC Coupled
3
The AC Coupled Lower Frequency Limits are reduced by a factor of 10 when 10X passive probes are used.
Table 2–11: Warranted characteristics — Time base system
Name
Accuracy, Long Term Sample Rate and
Delay Time
Accuracy, Delta Time Measurement
(Except for Option 1G and TDS 714L)
Conditions for accuracy listed at right
are: Single Shot or Sample mode (or
HiRes mode on the TDS 500D/700D),
with Full Bandwidth selected.
2–22
TDS 500D, TDS 600C, TDS 700D & TDS 714L Performance Verification and Specifications
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Description
, with peaks ≤ ±30 V
5 V
RMS
, with peaks ≤ ±20 V
5 V
RMS
≤10 Hz when AC–1 MW Coupled; ≤200 kHz when AC–50 W Coupled
Description
TDS 600C: ±100 ppm over any ≥1 ms interval
TDS 694C: ±10 ppm over any ≥1 ms interval
TDS 500D/700D/714L: ±25 ppm over any ≥1 ms interval
The limits are given in the following table for signals having amplitude greater than
5 divisions, reference level = 50%, filter set to (sinX/X), acquired at 5 mV/div or greater.
For the TDS 700D, pulse duration < 10 div. Channel skew not included.
For the Single Shot condition, 1.4 ≤ T
S is the sample rate and T is the displayed rise time.
r
Extra error in the measurement will occur for two-channel measurements due to
channel-to-channel skew. This is described elsewhere in these specifications.
Time measurement accuracy
TDS 600C: ±((0.20 B sample rate) + (100 ppm × | Reading |))
TDS 500D/700D: ±((0.15 B sample rate) + (25 ppm × | Reading |))
TDS 694C: ±((0.15 B sample rate) + (10 ppm × | Reading |))
Example: at 5 GS/s, 5 ns/div, measuring a 40 ns wide pulse,
accuracy = ±(40 ps + 4 ps) = ±44 ps.
B S ≤ 4, where
r
3