Keysight MXR-Series Mixed Signal Oscilloscope from Keysight Technologies - midrange lab workhorse gains AI-assisted debug

Keysight MXR-Series Mixed Signal Oscilloscope offers up to 8 analog channels and integrated spectrum analysis for crowded modern benches. Anyone holding Keysight Technologies stock (NYSE: KEYS, ISIN US49327K1025) should know this product.

By Nora Whitfield, ad hoc news New Launch Desk. Reviewed July 07, 2026, 6:48 PM ET. Details in the imprint.

Keysight MXR-Series Mixed Signal Oscilloscope sits on a crowded electronics bench like a compact tower of brushed metal and glass, its 15.6-inch touchscreen glowing with deep-blue traces and crisp measurements. When you twist a control knob, the response feels immediate, almost tactile. In a dim lab just off Route 101 in Santa Clara, a test engineer taps through menus with a gloved finger, pulling simultaneous analog, digital, and RF views into one screen.

What the MXR-Series actually is

The Keysight MXR-Series Mixed Signal Oscilloscope is a midrange lab instrument that combines up to 8 analog channels, 16 digital channels, and built-in spectrum analysis in a single chassis. It belongs to Keysight’s Infiniium family and targets bench and small lab teams who need one box instead of three. On the official product page, Keysight lists bandwidths from 500 MHz to 6 GHz, with models such as the Infiniium MXR608A offering 8 channels and 6 GHz bandwidth.

Keysight emphasizes that the MXR-Series is engineered for everyday debug, not just rarefied research. It uses a 15.6-inch full HD capacitive touchscreen, a familiar PC-like interface, and supports simultaneous time-domain and frequency-domain views via integrated spectrum analysis. A front-panel USB port and LAN connectivity allow quick data offload or remote access, which matters in US labs where engineers increasingly manage benches from home offices.

US availability and typical pricing

For US buyers, the MXR-Series is sold directly through Keysight’s US website and via channel partners. On Keysight’s online store, configurations such as the MXR608A are positioned firmly as professional instruments, with pricing in the tens of thousands of dollars depending on bandwidth, memory depth, and software options. Distributor sites referencing comparable models list 4-channel 500 MHz units in the mid-five-figure range, while 8-channel 6 GHz units can climb higher as options add up.

Unlike hobbyist scopes, the MXR-Series is typically purchased through corporate procurement, university labs, and dedicated test-equipment resellers. Keysight offers calibration, extended warranties, and upgrade licenses, turning the instrument into a multi-year capital asset rather than a one-off gadget. That long service life matters for US CFOs who expect test gear to support several hardware platform cycles.

AI-assisted debug and smart features

One of the standout features on the MXR-Series is Keysight’s use of AI-assisted or guided debug tools. The instrument offers what Keysight describes as advanced waveform analysis, protocol decode, and automated measurements that can flag anomalies across multiple channels without the engineer manually stepping through each case. An application note on Keysight’s site details how vector signal analysis and digital bus decode run inside the same oscilloscope platform, reducing the need to juggle separate boxes or scripts.

In practice, that means a US firmware engineer can plug in a mixed-signal board, route RF output and digital control lines into the MXR, and quickly see whether a glitch is coming from the PLL loop or a misbehaving SPI transaction. When the oscilloscope marks a failed eye diagram in red on the massive display, the visual cue is immediate. During a recent webinar, Keysight oscilloscope product manager Jay Alexander described this kind of workflow as central to the MXR’s design philosophy, emphasizing the goal of shortening debug loops for digital and RF designers.

Everyday use in a US lab

Walk through a mid-size hardware startup’s lab in Austin or San Jose, and you are likely to see one MXR-Series unit flanked by power supplies and RF generators. The fan noise blends into a low hum, while the light from the touchscreen reflects off anti-static mats in a cool, bluish tone. Engineers leave saved setups on the front panel so colleagues can rerun tests without typing commands.

The integrated spectrum analysis is particularly relevant for IoT and 5G designs. Instead of routing RF signals to a separate spectrum analyzer, teams can stay on one platform, checking emissions against masks and validating modulation quality. Keysight provides application examples for Bluetooth, Wi-Fi, and cellular standards, demonstrating how the MXR’s time-correlated views help locate spurious emissions tied to digital events.

Target customers and typical use cases

Keysight positions the MXR-Series for design and validation engineers working on high-speed digital, RF, and power electronics. In the US, that covers startups building custom ASIC boards, automotive suppliers tackling ADAS radar and sensor fusion, and universities training students on mixed-signal debug. The 8-channel variants are especially attractive for power-conversion designs, where engineers need to monitor multiple switching nodes, current shunts, and control signals at once.

Keysight’s documentation highlights several concrete workflows: DDR memory validation, serial bus analysis for standards like USB and PCIe, and embedded system debug with protocol decoders for I2C, SPI, CAN, and more. For teams working on radar or phased-array antennas, the 6 GHz bandwidth and built-in vector signal analysis support amplitude and phase measurements across RF channels without changing instruments. That flexibility explains why the series shows up frequently in US application notes and Keysight training material.

Compared with simpler scopes

There are far cheaper oscilloscopes on the US market, including entry-level two-channel units and compact USB-connected devices. Those instruments can capture basic waveforms and help hobbyists or small shops check power rails. However, they rarely offer the MXR’s combination of high bandwidth, many channels, deep memory, advanced analysis, and integrated spectrum functionality.

For example, mainstream four-channel 200 MHz bench scopes often top out at modest record lengths and limited protocol decode. When a system architect needs to view simultaneous multi-gigabit eye diagrams alongside RF spectral content and low-speed control signals, those entry-level devices hit a ceiling. Keysight’s MXR-Series is designed to bridge that gap, providing one chassis that can stand in for an oscilloscope, a logic analyzer, and a spectrum analyzer in many scenarios.

Software options and licensing

Keysight sells the MXR-Series with a wide range of software options, each unlocking specific analysis capabilities. Compliance test packages cover standards such as USB, HDMI, and PCI Express, while RF and wireless options add modulation analysis, channel power measurements, and spectral masks. Many of these options are license-activated, letting labs start with a base configuration and expand over time as workloads change.

From a practical standpoint, US labs often budget a core instrument plus future licenses, spreading costs over several fiscal years. Keysight’s approach aligns with that practice, allowing incremental upgrades rather than forcing full hardware replacements. The MXR’s operating system and software can be updated through network connections, and Keysight publishes firmware releases, bug fixes, and new feature notes on its support site.

Keysight Technologies context and stock

Keysight Technologies, headquartered in Santa Rosa, California, is a major supplier of electronic measurement instruments across oscilloscopes, spectrum analyzers, network analyzers, and wireless test systems. The MXR-Series Mixed Signal Oscilloscope sits in the company’s core test-and-measurement portfolio, supporting design, validation, and manufacturing for industries ranging from communications to automotive.

Shares of Keysight Technologies (NYSE: KEYS) trade in US dollars and reflect the performance of these test and measurement lines, including oscilloscopes like the MXR-Series. The product does not dominate Keysight’s revenue on its own, but it contributes meaningfully to the broader oscilloscope and general-purpose test segment that investors track via the company’s regular earnings disclosures.

Keysight MXR-Series Mixed Signal Oscilloscope - key facts

• Product: Keysight MXR-Series Mixed Signal Oscilloscope (e.g., Infiniium MXR608A)
• Manufacturer: Keysight Technologies, Inc.
• Category: New launch / professional test and measurement instrument
• Launch: MXR-Series introduced in the early 2020s as part of Keysight’s Infiniium portfolio refresh, with ongoing software and option updates.
• MSRP / Price: Typically mid-five-figure USD for multi-channel, multi-GHz models in the US market, depending on options and bandwidth.
• Availability: Sold in the US via Keysight’s online store and authorized distributors; global availability through regional Keysight offices and partners.
• Target audience: Design and validation engineers, test labs, university engineering programs working on mixed-signal, RF, and high-speed digital systems.
• Standout / USP: Combines up to 8 analog channels, integrated spectrum analysis, deep memory, and protocol/AI-assisted debug in a single midrange lab instrument.

This article was AI-assisted and editorially reviewed. Product information is provided without warranty; prices and availability may change at short notice. Not investment advice and not a buy or sell recommendation. Securities trading carries risks up to total loss.