SpecAtlasHub

DSA71254

TektronixData

The Tektronix DSA71254 is a high-performance 12.5 GHz Digital Serial Analyzer designed for signal integrity verification, compliance testing, and characterization of high-speed serial data standards. Combining an industry-leading 12.1-inch display, up to 50 GS/s real-time sampling rate on four channels simultaneously, and Pinpoint triggering, it offers unmatched precision and specialized measurement capabilities for demanding electronic designs.

OscilloscopesSerial Data AnalysisSignal Integrity

Specifications

General

ParameterValue
InterfacesUSB 2.0, GPIB (IEEE 488.2), LAN (10/100/1000 Base-T), LXI Class C, VGA, DVI, RS-232
Display12.1-inch active matrix color TFT-LCD touch screen, XGA (1024 × 768) resolution

Physical

ParameterValue
Power Supply100 to 240 V AC (±10%), 47 to 63 Hz (and 115 V AC ±10%, 360 to 440 Hz), < 1000 VA
Operating Temperature5 °C to +45 °C
Dimensions (W×H×D)451 mm × 298 mm × 489 mm
Weight24 kg

Vertical System

ParameterValue
Analog Bandwidth (-3 dB)12.5 GHz
Number of Input Channels4
Rise Time (10% to 90%, typical)35 ps
Rise Time (20% to 80%, typical)24 ps
Vertical Resolution8-bit (up to 11-bit with averaging)
Input Sensitivity Range (50 Ohm)10 mV/div to 1 V/div
DC Gain Accuracy±2%
Input CouplingDC, GND
Position Range±5 divisions
Input Impedance50 Ω ± 1.5%
Probe Interface TypeTekConnect

Horizontal System & Timebase

ParameterValue
Timebase Delay Time Range-5.0 ks to 250 s
Channel-to-Channel Deskew Range±75 ns
Timebase Stability±1.5 ppm (initial accuracy)
Timebase Aging (per Year)±1.0 ppm
Trigger Jitter (typical)100 fs RMS (with Enhanced Triggering enabled)

Acquisition System

ParameterValue
Maximum Real-Time Sample Rate (All 4 Channels)25 GS/s
Maximum Record Length (Standard)50 MSamples/ch
Waveform Update Rate (Max)300,000 wfms/s
Equivalent Time Sample Rate (Max)10 TS/s
Envelope Acquisition ModeMin/Max accumulator for 1 to 2x10^9 waveforms
Average Acquisition ModeSelectable from 2 to 10,000 waveforms

Trigger System

ParameterValue
Trigger SourcesCH1, CH2, CH3, CH4, Aux In
Trigger ModesAuto, Normal, Single
Trigger CouplingDC, AC, HF Rej, LF Rej, Noise Rej
Trigger Holdoff Range250 ns to 12 s
Serial Pattern Triggering SpeedUp to 3.125 Gb/s
Hardware Serial Trigger Payload Length64-bit
Glitch Trigger Minimum Width150 ps
Width Trigger Range150 ps to 1 s
Runt Trigger Minimum Width150 ps
Timeout Trigger Range300 ps to 1 s
Transition Trigger Range300 ps to 1 s
Trigger Level Range (Internal)±8 divisions from center of screen
A-B Trigger Sequence Delay Range3.2 ns to 250 s

Serial Data & Jitter Analysis

ParameterValue
Standard Jitter & Eye Analysis SoftwareDPOJET (standard on DSA series)
Jitter Decomposition ModelRJ/DJ separation using spectral and Dual-Dirac methods
Clock Recovery PLL TypesFirst-Order, Second-Order, Golden PLL, Custom
Reference Receiver EqualizationCTLE (Continuous Time Linear Equalization), DFE (Decision Feedback Equalization), FFE (Feed Forward Equalization)

Controller & Storage

ParameterValue
Internal Operating SystemWindows XP Professional
Internal Storage Capacity≥ 80 GB Removable Hard Disk Drive
Removable Storage OptionsUSB Flash Drive, DVD-RW Drive

Connectivity & Interface Ports

ParameterValue
Auxiliary Input PortBNC connector, 50 Ω, max 5 V RMS
Fast Edge Output PortSMA connector, rise time < 50 ps
External Reference Input10 MHz (or 100 MHz)
Internal Reference Output10 MHz
LAN Port Speed10/100/1000 Mbps
USB Ports Configuration5 USB Host ports (USB 2.0), 1 USB Device port
External Video Output PortsDVI, VGA

Display & User Interface

ParameterValue
Touch Screen TechnologyResistive
Waveform Display FormatsYT, XY
Customizable UI FeaturesMyScope Custom Windows

Power & Environmental

ParameterValue
Non-Operating Temperature Range-40 °C to +71 °C
Operating Humidity Range8% to 80% RH (up to 32 °C)
Operating Altitude (Max)3,000 m (9,843 ft)

Physical Characteristics

ParameterValue
Height298 mm (11.74 inches)
Width451 mm (17.75 inches)
Depth489 mm (19.25 inches)
Weight (Net)20 kg (44 lbs)
Weight (Shipping)34 kg (75 lbs)
Rackmount Kit Compatibility7U rackmount kit

Regulatory & Safety

ParameterValue
Safety Standards CertificationUL61010-1, CSA 22.2 No. 61010-1, EN61010-1, IEC61010-1
Electromagnetic Compatibility (EMC)EN61326, FCC 47 CFR Part 15 Subpart B Class A
Recommended Calibration Interval1 year

Input System

ParameterValue
Input Connector TypeTekConnect

Waveform Measurements and Math

ParameterValue
Number of Math Waveforms4
Math OperatorsAdd, subtract, multiply, divide, integrate, differentiate, FFT

Compliance and Certifications

ParameterValue
LXI ComplianceLXI Class C

Environmental

ParameterValue
Operating Vibration0.33 G RMS, 5 Hz to 500 Hz
Non-Operating Vibration2.26 G RMS, 5 Hz to 500 Hz

Physical and Cooling

ParameterValue
Cooling Clearance (Left/Right)76 mm (3 in.)
Cooling Clearance (Rear)76 mm (3 in.)
Cooling Clearance (Top/Bottom)0 mm (0 in.)

Horizontal System

ParameterValue
Maximum Real-Time Sample Rate (2 Channels)50 GS/s

Display

ParameterValue
Display Size12.1 in (307.3 mm) diagonal
Display Resolution1024 × 768 pixels (XGA)

Software & Features

ParameterValue
Standard Software/OptionsOption DJA (DPOJET Jitter and Eye Diagram Analysis), Option MTH (Serial Mask Testing), Option PTH1 (Serial Pattern Triggering)

Power

ParameterValue
Power Source Voltage100 to 240 V AC ±10%
Power Source Frequency50 to 60 Hz (100 to 240 V AC), 400 Hz (115 V AC)
Maximum Power Consumption<1200 VA

Computer System

ParameterValue
System Memory2 GB / 4 GB (hardware version dependent)

Technology

Digital Phosphor Oscilloscope (DPO) / Digital Serial Analyzer (DSA)

Applications

High-speed serial data analysis, compliance testing, and signal integrity debugging

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