Keysight U1818B/001 Active Differential Probe: Precision Measurement for High-Speed Signals

Erik Prayoga — Tue, 23 Jun 2026 04:52:36 +0000

Keysight U1818B/001 Active Differential Probe

Features and Specifications:

Bandwidth: 1.5 GHz
Input Impedance: 1 MΩ // 10 pF
Differential Input Range: ±1.5 V
Common Mode Input Range: ±10 V
Gain: 10x
Rise Time: 233 ps
Fall Time: 233 ps
Probe Tip: 1.5 mm diameter, ground spring
Probe Length: 1.5 m

Product Overview:

The Keysight U1818B/001 Active Differential Probe is a high-performance probe designed for use with oscilloscopes and other test equipment. It offers a wide bandwidth of 1.5 GHz and a high input impedance of 1 MΩ // 10 pF, making it ideal for measuring high-speed signals with minimal loading. The probe also features a differential input range of ±1.5 V and a common mode input range of ±10 V, making it suitable for a wide range of applications.

What’s in the Box:

Keysight U1818B/001 Active Differential Probe
Probe Tip
Ground Lead
User Manual

Benefits:

High bandwidth and input impedance for accurate measurements of high-speed signals
Differential input range for measuring signals with high common mode noise
Compact and lightweight design for easy handling
Durable construction for long-lasting performance

Value to the Customer:

The Keysight U1818B/001 Active Differential Probe is a valuable tool for engineers and technicians who need to measure high-speed signals with accuracy and precision. Its wide bandwidth, high input impedance, and differential input range make it ideal for a variety of applications, including:

Debugging high-speed digital circuits
Characterizing RF and microwave components
Measuring power integrity in power distribution systems
* Analyzing jitter and other signal integrity issues

Keysight U1818B – Erik Prayoga

Keysight U1818B/001 Active Differential Probe: Precision Measurement for High-Speed Signals