The Keysight Technologies Infiniium DSAX91604A is a high-performance Digital Signal Analyzer (DSA) oscilloscope. As part of the Infiniium 90000 X-Series, it offers a real-time analog bandwidth of 16 GHz across 4 channels, with sample rates up to 80 GSa/s on 2 channels and 100 Mpts of standard memory depth per channel. This analyzer is optimized for high-speed serial bus testing, featuring integrated hardware-accelerated measurements, standard EZJIT Plus jitter analysis, and advanced compliance software compatibility.

Specifications

General

ParameterValue
InterfacesLAN (LXI Class C), USB 2.0 (Host/Device), USB 3.0 (Host), GPIB (optional), DisplayPort, DVI-I
Display15.1-inch XGA (1024 x 768) color touchscreen LCD
Calibration Interval1 year

Physical

ParameterValue
Power Supply100–240 VAC (50/60 Hz), 100–120 VAC (400 Hz), maximum power consumption 1350 W
Operating Temperature5 to +40 °C
Dimensions (W×H×D)462 mm × 322 mm × 495 mm
Weight25.4

Vertical System

ParameterValue
Analog Bandwidth16 GHz (real-time)
Input Channels4 analog channels
Hardware ADC Resolution8 bits
Rise Time (10-90%)27.5 ps
Rise Time (20-80%)18.5 ps
Input CouplingDC
Vertical Sensitivity Range1 mV/div to 1 V/div
Maximum Input Voltage±5 V
DC Gain Accuracy±2% of full scale
Offset Range±0.4 V (1 to 50 mV/div), ±1.2 V (51 to 200 mV/div), ±4.0 V (201 mV/div to 1 V/div)
Channel-to-Channel Isolation40 dB (DC to 12 GHz), 30 dB (12 GHz to 16 GHz)

Horizontal System

ParameterValue
Maximum Sample Rate (2 Channels)80 GSa/s
Maximum Sample Rate (4 Channels)40 GSa/s
Standard Memory Depth (2 Channels)200 Mpts
Standard Memory Depth (4 Channels)100 Mpts
Maximum Expandable Memory Depth2 Gpts (option dependent)
Timebase Aging±0.1 ppm per year
Channel-to-Channel Deskew Range±2 ms

Control and Software

ParameterValue
Standard Analysis SoftwareEZJIT, EZJIT Plus, and Serial Data Analysis (SDA)

Inputs, Outputs, and Connectivity

ParameterValue
RF Input Connector TypePrecision 3.5 mm female with AutoProbe II interface

Trigger System

ParameterValue
Trigger ModesEdge, Glitch, Width, Transition, Runt, Timeout, Pattern, State, Window, Setup/Hold
Trigger Level Range±4 divisions from center screen
Internal Edge Trigger Sensitivity0.5 div (DC to 2 GHz), 1.0 div (2 GHz to 16 GHz)
Minimum Detectable Pulse Width125 ps (hardware-based)

Compliance

ParameterValue
LXI ComplianceLXI Class C
Safety StandardsIEC 61010-1, CAN/CSA-C22.2 No. 61010-1, UL 61010-1

Environmental

ParameterValue
Operating AltitudeUp to 3,000 m (9,842 ft)
Operating HumidityUp to 95% relative humidity (non-condensing) at +40 °C
Storage HumidityUp to 90% relative humidity at +65 °C

Standard Software Packages

ParameterValue
Included Software ApplicationsEZJIT, EZJIT Plus, Serial Data Analysis (SDA)

Performance

ParameterValue
RMS Noise Floor (at 50 mV/div)1.13 mV (typical)
RMS Noise Floor (at 100 mV/div)2.14 mV (typical)

Technology

Digital Real-Time Oscilloscope

Applications

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