Datasheet

DPO4000 • www.tektronix.com/oscilloscopes
9
Digital Phosphor Oscilloscopes
DPO4000 Series
Trigger System
Main Trigger Modes – Auto, Normal and Single.
Trigger Coupling – DC, HF reject (attenuates
>50 kHz), LF reject (attenuates <50 kHz), noise
reject (reduces sensitivity).
Trigger Holdoff Range – 20 ns to 8 s.
Sensitivity
Internal DC Coupled – 0.4 div DC to 50 MHz
increasing to 1 div at rated bandwidth.
External (auxiliary input) – 200 mV from DC to
50 MHz increasing to 500 mV at 250 MHz.
Trigger Level Range
Any Channel – ±8 divisions from center of screen.
External (auxiliary input) – ±8 V.
Acquisition Modes
Sample – Acquire sampled values.
Peak Detect – Captures glitches as narrow as
200 ps at all sweep speeds.
Averaging – From 2 to 512 waveforms included in
average.
Envelope – Min-max envelope reflecting Peak
Detect data over multiple acquisitions.
Hi Res – Real-time boxcar averaging reduces
random noise and increases resolution.
Roll – Scrolls waveforms right to left across screen
at sweep speeds slower than or equal to 40 ms/div.
Trigger Modes
Edge – Positive or negative slope on any channel or
front panel auxiliary input. Coupling includes DC, HF
reject, LF reject and noise reject.
Pulse Width – Trigger on width of positive or nega-
tive pulse that are >, <, = or ≠ a specified period of
time.
Runt – Trigger on a pulse that crosses one
threshold but fails to cross a second threshold
before crossing the first again.
Logic – Trigger when any logical pattern of channels
goes false or stays true for specified period of time.
Any input can be used as a clock to look for the
pattern on a clock edge. Pattern (AND or, NAND,
NOR) specified for four input channels defined as
High, Low or Don’t Care.
Setup and Hold – Trigger on violations of both
setup time and hold time between clock and data
present on any two input channels.
Rise/Fall Time – Trigger on pulse edge rates that
are faster or slower than specified. Slope may be
positive, negative or either.
Video – Trigger on all lines, odd, even or all fields on
NTSC, PAL and SECAM video signals.
Extended Video (Optional) – Trigger on 480p/60,
576p/50, 720p/30, 720p/50, 720p/60, 875i/60,
1080i/50, 1080i/60, 1080p/24, 1080p/24sF,
1080p/25, 1080p/30, 1080p/50, 1080p/60 and
custom bi-level and tri-level sync video standards.
I
2
C (Optional) – Trigger on Start, Repeated Start,
Stop, Missing ACK, Address (7 or 10 bit), Data or
Address and Data on I
2
C buses up to 3.4 Mb/s.
SPI (Optional) – Trigger on SS, Idle Time, MOSI,
MISO or MOSI and MISO on SPI buses up to
10.0 Mb/s.
CAN (Optional) – Trigger on Start of Frame, Frame
Type (data, remote, error, overload), Identifier (stan-
dard or extended), Data, Identifier and Data, End of
Frame or Missing ACK or Bit Stuffing Errors on CAN
signals up to 1 Mb/s. Data can be further specified
to trigger on ≤,<,=,>,≥ or ≠ a specific data
value. User adjustable sample point is set to 50% by
default.
RS-232/422/485/UART (Optional) – Trigger on Tx
Start Bit, Rx Start Bit, Tx End of Packet, Rx End of
Packet, Tx Data and Rx Data.
LIN (Optional) – Trigger on Sync, Identifier, Data,
Identifier and Data, Wakeup Frame, Sleep Frame or
Errors such as Sync, Parity or Checksum Errors.
FlexRay (Optional) – Trigger on Start of Frame,
Type of Frame (Normal, Payload, Null, Sync, Startup),
Identifier, Cycle Count, Complete Header Field, Data,
Identifier and Data, End of Frame or Errors such as
Header CRC, Trailer CRC, Null Frame, Sync Frame or
Startup Frame Errors.
Trigger Delay by Time – 4 ns to 8 s.
Trigger Delay by Events – 1 to 9,999,999 events.
Waveform Measurements
Cursors – Waveform and Screen.
Automatic Measurements – 29, of which up to
eight can be displayed on screen at any one time.
Measurements include Period, Frequency, Delay,
Rise Time, Fall Time, Positive Duty Cycle, Negative
Duty Cycle, Positive Pulse Width, Negative Pulse
Width, Burst Width, Phase, Positive Overshoot,
Negative Overshoot, Peak to Peak, Amplitude, High,
Low, Max, Min, Mean, Cycle Mean, RMS, Cycle
RMS, Positive Pulse Count, Negative Pulse Count,
Rising Edge Count, Falling Edge Count, Area and
Cycle Area.
Measurement Statistics – Mean, Min, Max,
Standard Deviation.
Reference Levels – User definable reference levels
for automatic measurements can be specified in
either percent or units.
Gating – Isolate the specific occurrence within an
acquisition to take measurements, on using either
the screen or waveform cursors.
Waveform Math
Arithmetic – Add, subtract, multiply and divide
waveforms.
Math Functions – Integrate, Differentiate, FFT.
FFT – Spectral magnitude. Set FFT Vertical Scale
to Linear RMS or dBV RMS and FFT Window to
Rectangular, Hamming, Hanning or Blackman-Harris.
Advanced Math – Define extensive algebraic
expressions including waveforms, math functions,
scalars, up to two user adjustable variables and
results of parametric measurements e.g., (Intg(Ch1-
Mean(Ch1)) x 1.414 x VAR1).
Software
NI LabVIEW SignalExpress™ Tektronix Edition LE
– A fully interactive measurement software environ-
ment optimized for the DPO4000 Series, enables
you to instantly acquire, generate, analyze, compare,
import and save measurement data and signals
using an intuitive drag-and-drop user interface that
does not require any programming. Standard
DPO4000 Series support for acquiring, controlling,
viewing and exporting your live signal. The full
version (SIGEXPTE) adds additional signal processing,
advanced analysis, mixed signal, sweeping, limit
testing and user-defined step capabilities and is
available for a 30-day trial period standard with each
instrument.
OpenChoice
®
Desktop – Enables fast and easy
communication between a Windows PC and the
DPO4000 Series, via USB or LAN. Transfer and save
settings, waveforms, measurements and screen
images.
IVI Driver – Provides a standard instrument
programming interface for common applications
such as LabVIEW, LabWindows/CVI, Microsoft .NET
and MATLAB.