Specifications
1–8
TDS 340A, TDS 360 & TDS 380 Technical Reference
Table 1–11: Nominal traits — time base system
Name Description
Range, Sample-Rate
1,2
TDS 340A: 10 Samples/s to 500 MSamples/s in a 1–2–5 sequence
TDS 360: 10 Samples/s to 1 GSamples/s in a 1–2–5 sequence
TDS 380: 10 Samples/s to 2 GSamples/s in a 1–2–5 sequence
Range, Seconds/Division TDS 340A: 5 ns/div to 5 s/div in a 1–2.5–5 sequence
TDS 360: 2.5 ns/div to 5 s/div in a 1–2.5–5 sequence
TDS 380: 1 ns/div to 5 s/div in a 1–2.5–5 sequence
Range, Time Base Delay Time 16.5 ns to 50 seconds
Record Length 1,000 samples
1
The range of real-time rates, expressed in samples/second, at which a digitizer samples signals at its inputs and stores
the samples in memory to produce a record of time-sequential samples
2
The Waveform Rate (WR) is the equivalent sample rate of a waveform record. For a waveform record acquired by
real-time sampling of a single acquisition, the waveform rate is the same as the real-time sample rate; for a waveform
created by interpolation of real-time samples from a single acquisition or by equivalent-time sampling of multiple
acquisitions, the waveform rate is faster than the real time sample rate. For all three cases, the waveform rate is
1/(Waveform Interval) for the waveform record, where the waveform interval (WI) is the time between the samples in the
waveform record.
Table 1–12: Nominal traits — triggering system
Name Description
Range, Hold Off 500 ns minimum to 10 seconds maximum
Rang
, T
gg
L
Source Range
Any Channel ±12 divisions from center of screen
External ±1.5 Volts
External /10 ±15 Volts
Line ±300 Volts
Formats and Field Rates, Video Trigger Triggers from sync-negative composite video, 525 to 625 lines, 50 Hz to 60 Hz, interlaced
or noninterlaced systems with scan rates from 15 kHz to 65 kHz – such as NTSC, PAL, or
SECAM
TekProbe Interface, External Trigger Level one probe coding
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