Specifications
Horizontal And Acquisition System Specifications
Table 3: Horizontal and acquisition system specifications
Characterist
ic
Description
Long-term sample rate and delay
time accuracy (See page 85.)
±10 ppm over any 1 ms time interval
Seconds/division range MDO30XX models: 1 ns/div to 1000 sec/div
MDO310X models: 400 ps/div to 1000 sec/div
Instrument Minimum pulse width
Models at 1 GHz BW
>1.5ns
Models at 500 MHz BW > 2.0 ns
Models at 350 MHz BW > 3.0 ns
Models at 200 MHz BW > 5.0 ns
Peak detect or
envelope mode pulse response, typical
Models at 100 MHz BW > 7.0 ns
Sample-rate range See Sample Rate Range detail table. (See page 13.)
Record length range 1K, 10K, 100K, 1M, 5M, 10M
Maximum triggered acquisition rate 1 and 2 channels 3 and 4 c hannels
Bandwidth FastAcq
DPO
FastAcq
DPO
1GHz
> 280,000
wfm/sec
> 80,000 wfm/sec > 230,000 wfm/sec > 50,000 wfm/sec
<1GHz
> 230,000
wfm/sec
> 50,000 wfm/sec > 230,000 wfm/sec > 50,000 wfm/sec
Aperture uncertainty, typical
(also called “sample rate jitter”)
(5ps+1×10
-6
X record duration)
RMS
, for records having duration 1 minute
Record duration = (Record Length) / (Sample Rate)
Number of waveforms for average
acquisition mode
2 to 512 waveforms
Default of 16 waveforms
Delta time measurement accuracy
(Se
e page 87.)
The formula to calculate delta-time m easurement accuracy (DTA) for a given
instrument setting and input signal is given below (assumes insignificant signal
content above Nyquist).
SR
1
=SlewRate(1
st
Edge) around the 1
st
point in the measurement
SR
2
=SlewRate(2
nd
Edge) around the 2
nd
point in the measurement
N = input-referred noise (volts
rms
, refer to the Random Noise, Sample acquisition
mode specification)
t
sr
=1/(SampleRate)
TBA = timebase accuracy (refer to the Long-term sample rate and delay time
accuracy specification above)
t
p
= delta-time measurement duration
RD = (Record Length) / (Sample Rate)
MDO3000 Series S pecifications and Performance Verification 11
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