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HIGHLIGHTS

Bandwidth:

  • 30 GHz
  • Tr = 14.3 psec

Range:

  • DC attenuation ratio: 6:1 (3:1 with 200 Ω ZIF tip)
  • Input voltage range: 1.6 Vpp (0.8 Vpp with 200 Ω ZIF tip)
  • Input common mode range: ±12 V at DC to 250 Hz, ±2.5 V at >250 Hz (±6 V at DC to 250 Hz, ±1.25 V at >250 Hz with 200 Ω ZIF tip)
  • Offset range : ±16 V when probing a single-ended signal

Input Impedance:

  • DC input resistance: R diff = 100 kΩ ±2%, R se = 50 kΩ ±2%
  • Input resistance @ >10 kHz: R diff = 1 kΩ, R se = 500 Ω
  • Input capacitance: C diff = 32 fF, C se = 48 fF (with ZIF probe head)

Recommended Probe Heads:

  • N5445A 30 GHz Browser Probe Head
  • N5444A 30 GHz 2.92/3.4 mm SMA Probe Head
  • N5439A 28 GHz ZIF probe Head
  • MX0109A 26 GHz Solder-in Probe Head

Oscilloscope Connectivity:

  • UXR 3.5mm oscilloscope
  • UXR 1&1.85mm oscilloscope with N2852A adapter
  • 90000X, Q, V, Z-series oscilloscopes

The InfiniiMax III probing system provides the highest bandwidth and incredibly low loading to allow for a completely new level of signal fidelity and accuracy. Four different InfiniiMax III probe amplifiers ranging from 16 GHz to 30 GHz are available for matching your probing solution to your performance and budget requirements. A proprietary 200 GHz fT InP (indium phosphide) IC process with backside ground vias and novel thick film technology is utilized for the InfiniiMax III probe system to accommodate your highest performance needs and is unmatched by any product in the market.

Key Features

  • Full 30 GHz to the probe tip (with the N5445A browser)
  • Industry’s lowest probe and scope system noise
  • Industry’s highest fidelity and accuracy due to bandwidth and extremely low loading
  • Probe amplifiers loaded with measured s-parameters for more accurate response correction
  • Probe bandwidth upgradable
  • Variety of probe heads for different use models with maximum usability

Extend the Capabilities

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Gesamtes Zubehör ansehen

Featured Resources for N2803A InfiniiMax III Series Probe Amplifier, 30 GHz

Data Sheets 2024.12.02

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.

2024.12.02

Application Notes 2018.06.20

Bandwidth Boosting Techniques for the Infiniimax Probe Amp and Probe Head

Bandwidth Boosting Techniques for the Infiniimax Probe Amp and Probe Head

Keysight InfiniiMax differential probes are DSP corrected to have a flat magnitude and phase response to provide the highest possible accuracy. The bandwidth chosen to correct to is typically around 3dB non-corrected bandwidth. Usually, extending the bandwidth much beyond that point will increase the noise floor, and if pushed even further, can cause unrealistic noise artifacts. This application note presents the techniques used to extend the bandwidth performance of the InfiniiMax 1169A/B and the N5381A/B solder-in head using the PrecisionProbe application on Infiniium realtime oscilloscope.

2018.06.20

Application Notes 2023.03.12

Probe Soldering Guidelines for Keysight InfiniiMax Probes

Probe Soldering Guidelines for Keysight InfiniiMax Probes

There are various ways to connect test instrumentation probes to devices under test (DUTs). One such method is soldering, which provides a reliable connection and minimizes parasitic probing effects by keeping wire lengths and connections as short as possible. Many of Keysight’s high performance oscilloscope probes utilize soldered connections. As probes and devices continue to shrink, using the correct tools and soldering skills becomes even more critical in order to avoid damage and connectivity issues. This guide provides helpful tips, recommended tools, and techniques specific to Keysight probes to help test engineers make the most out of their soldered-in probes and connections.

2023.03.12

Reference Guides 2020.11.30

Keysight N2800A-Series Probes Configuration Card

Keysight N2800A-Series Probes Configuration Card

This card shows the recommended probe head configurations for the InfiniiMax III probing system. It also includes additional information and tips.

2020.11.30

User Manuals 2021.06.17

InfiniiMax III Series Probes User’s Guide

InfiniiMax III Series Probes User’s Guide

This is the User Guide / Service Guide for the InfiniiMax III probing system.

2021.06.17

Technical Overviews 2021.09.23

Oscilloscope Probes and Accessories

Oscilloscope Probes and Accessories

To get the most out of your oscilloscope, you need the right probes and accessories for your applications. Keysight offers a wide selection of high-quality probes and accessories for your scope.

2021.09.23

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

Data Sheets 2024.12.01

N5450A InfiniiMax Extreme Temperature Extension Cable

N5450A InfiniiMax Extreme Temperature Extension Cable

Keysight offers a probing solution that covers the full temperature range from -55 degrees to + 150 degrees Celsius. The Keysight N5450A InfiniiMax extreme temperature extension cable.

2024.12.01

Oscilloscope Probes Selection Guide

Oscilloscope Probes Selection Guide

Keysight offers a broad range of voltage, current, and optical probing solutions for InfiniiVision and Infiniium Series oscilloscopes.
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