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Highlights

The InfiniiMax 4 series probes, a recent innovation from Keysight, stand out as the market’s premier high-bandwidth probing solution. This probe incorporates Keysight's cutting-edge designs and leverages Keysight-proprietary InP IC process technology. It is meticulously engineered to tackle the complexities of assessing next-generation high-speed signals, delivering unparalleled performance and precision.
 
  • Bandwidth up to 42 GHz (Brickwall)
  • DC input resistance 100 Kohm, differential
  • Two input attenuation settings:
    • Highest precision measurement on 1 Vpp (Maximum Input Range)
    • High voltage measurement on 2 Vpp (Maximum Input Range)
  • Two different solder-in probe tip lengths to accommodate the customer probing environment
  • Compatible with AutoProbe III interface
  • Use with Infiniium UXR 1.85 mm and 1.0 mm oscilloscopes

Meet the industry's highest bandwidth probes

Introducing the Keysight InfiniiMax 4 Series, the industry’s highest-bandwidth probes for high-speed digital debugging and validation on high-density integrated circuits and printed circuit boards.

Discover the unique features of InfiniiMax 4

Greater than 50 GHz bandwidth

Debugging and validating signals greater than 50 GHz just got easier. Every signal and every standard, from IEEE 802.3ck to PCIe 6.0, is now in your sights—no custom test fixtures required. With the InfiniiMax 4, Keysight once again sets the industry standard and gives developers an indispensable tool for precise high-speed measurement and analysis.

Flexible, modular design

Save time without sacrificing precision. Probe your signals anywhere in the link to identify and rectify issues faster. The InfiniiMax 4 PCA probe head uses a flexible tip to alleviate the stress on delicate wires. The unit's modular design enables quick set up to measure your signals easily.

TDoA

Designed to test 400G / 800G systems 

The InfiniiMax 4 Bessel-Thomson filter enables precise, real-time probing of IEEE 802.3ck electrical 53 GBd PAM4 signals with the need for custom test fixtures.

Featured resources for MX0030A InfiniiMax 4 RCRC Probe Amp, 42 GHz

Data Sheets 2024.02.07

InfiniiMax RCRC Probing System

InfiniiMax RCRC Probing System

The new InfiniiMax 4 series probing system is a groundbreaking solution designed to deliver unparalleled signal fidelity and accuracy with bandwidth capabilities reaching up to 52 GHz, all while maintaining exceptionally low loading. With the InfiniiMax III/III+ probe amplifiers, this advanced InfiniiMax RCRC probe system ensures swift and reliable measurements ranging from 8 GHz to 52 GHz, setting a new standard in probing technology.

2024.02.07

Data Sheets 2024.06.25

Infiniium Oscilloscope Probes and Accessories

Infiniium Oscilloscope Probes and Accessories

To get the most out of your Keysight Infiniium oscilloscope, you need the right probes and accessories for your particular applications. Whether you need the high bandwidth and low loading of an active probe, an easy way to connect to surface mount ICs, or a passive probe to measure high voltages, there’s a wide selection of high-quality probes and accessories for your Infiniium oscilloscope. The Infiniium probes and accessories data sheet provides you the overview of all probes and accessories recommended for Infiniium oscilloscopes.

2024.06.25

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