Agilent/Keysight N2750A

The Keysight N2750A InfiniiMode Active Differential Probe delivers 1.5 GHz bandwidth for high-speed digital and analog signal characterization. This probe measures differential, single-ended, and common-mode signals simultaneously without changing probe connections, streamlining debug workflows. AutoProbe interface integration enables automatic configuration and power delivery on compatible Keysight oscilloscopes, eliminating manual setup overhead.

Technical Specifications

• Bandwidth: 1.5 GHz


• Attenuation Ratio: 2:1 or 10:1 (switchable, auto-configured by input signal magnitude)


• Dynamic Range: ±5 V or 10 Vpp at 10:1 attenuation; ±1 V or 2 Vpp at 2:1 attenuation


• DC Offset Range: ±15 V


• Maximum Input Voltage: 30 V DC + peak AC


• Differential Input Resistance: 200 kΩ


• Single-ended Input Resistance: 100 kΩ


• Common Mode Input Resistance: 50 kΩ


• Input Capacitance: 700 fF (with browser tip)


• Common Mode Rejection Ratio: >60 dB at 1 MHz

Key Features

• InfiniiMode operation enables simultaneous differential, single-ended A/B, and common-mode measurements from one probe tip


• Quick Action Scope Control button provides immediate access to run/stop, auto scale, and save functions


• Built-in headlight illuminates test points for improved visibility


• Channel identification rings simplify probe recognition in multi-probe setups


• Included tip set: 2× solder-in, 2× socketed InfiniiMode tips; 2× differential browser tips


• Optional replacement tips available for all configurations

Typical Applications Differential signal analysis on high-speed buses, single-ended measurements on mixed-signal boards, and common-mode noise characterization in coupled signal environments benefit from the probe's flexible measurement modes and >60 dB CMRR performance.

Compatibility & Integration Supported platforms include InfiniiVision 3000/4000/6000 X-Series and 9000 Series, S-Series oscilloscopes, and Infiniium 9000/90000/90000 Q/X-Series instruments (Infiniium requires software v3.50 or later). InfiniiVision 3000 X-Series accommodates one probe; 4000 X-Series supports up to four probes.