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High-Performance Oscilloscope Probes
Accelerate high-speed development with 50+ GHz probes enabling flexible, faster testing for IEEE 802.3ck and PCIe® 6.0 designs
Meet the industry's highest bandwidth probes
Introducing the Keysight InfiniiMax 4 Series, the industry’s highest-bandwidth probes for digital debugging and validation using UXR-B Series oscilloscopes.
- 50+ GHz bandwidth: Measure high-speed signals including IEEE 802.3ck and PCIe® 6.0 — no custom test fixtures required.
- Flexible, modular design: Probe anywhere in the link for quick analysis and debug with the head's flexible tip.
- Bessel-Thomson filter: Test 400G / 800G systems with precise probing of 53 GBd PAM4 signals.
High-speed probing applications
PCIe 6.0 transmitter test
The InfiniiMax 4 probes make probing the 64 GT/s PAM4 signals of PCIe 6.0 possible. With their high bandwidth and exceptional signal fidelity, InfiniiMax 4 enables accurate signal integrity analysis and jitter characterization when optimizing and testing PCIe designs. When paired with an Infiniium UXR B-Series oscilloscope and Keysight's suite of PCIe debug and compliance test automation software solutions, digital developers can rely on InfiniiMax probes as essential tools for PCIe debugging and compliance.
400G / 800G electrical transceivers
As data center speeds approach 800G, precision probing is critical for validating systems without custom test fixtures. InfiniiMax 4 probes empower engineers to measure 112 GBd PAM4 signals accurately. Paired with a Keysight Infiniium UXR B-Series oscilloscope and analysis software, these probes are crucial for debugging high-speed data center network transceivers, helping to ensure compliance, reliability, and interoperability across the evolving IEEE and Optical Internetworking Forum (OIF) standards.
DDR5 memory debug and validation
The InfiniiMax probes are instrumental in addressing the significant design and test challenges posed by high-speed double data rate (DDR) memory technologies. InfiniiMax probes feature low-loading capacitance to ensure accurate signal integrity analysis and jitter characterization, which are crucial for optimizing DDR5 designs. Versatile tips allow for probing individual traces or analyzing differential pairs when performing eye diagram analysis and compliance testing.
Find the InfiniiMax probe that's right for you
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Additional probes and accessories
In addition to the InfiniiMax Series RC and RCRC high-bandwidth oscilloscope probes, Keysight has a large collection of passive, active, current, optical, high-voltage, and other probes. Find the right tools for your project.
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