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PXI Vector Network Analyzer Series

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Keysight Technologies

PXI Vector Network Analyzer Series

Drive down the size of test

Full Two-Port VNA that Fits in Just One Slot

When you need to measure basic S-parameters, the right mix of speed, performance and footprint gives you an edge. Sharpen your edge with the Keysight PXIe M937XA vector network analyzer (VNA).

The Keysight PXI VNA is a full two-port VNA that fits in just one slot. The PXI VNA also performs fast, accurate measurements and reduces your cost-of-test by letting you simultaneously characterize many devices — two-port or multiport — using a single PXI chassis.

Get more VNA in less space

It offers the best PXI VNA performance on key specifications such as dynamic range, measurement speed, and trace noise. Each module is a completely independent two-port network analyzer and up to 16 modules can be added to a chassis for multi-site and multiport applications. All ports are fully synchronous so multiple ports can be measured simultaneously with multiport error correction applied.

Same Keysight VNA measurement science

The M937XA extends Keysight’s expertise in measurement and metrology into the modular PXI form factor. It provides the same quality results you have come to expect in our vector network analyzers.

Main features and benefits

Measurements You Can Count On

Fast measurement speed

Wide dynamic range

Low trace noise

Multiport Testing with Full N-Port Correction Capability

The PXI VNA is an ideal solution for multiport measurements. It has a two-port (2- reference receivers and 2- test receivers) architecture in a one-slot module. It can be easily configured as a true multiport VNA by using additional modules installed in the same chassis. The full N-port correction capability allows for complete and accurate characterization of multiport devices.

A multiport PXI VNA provides higher throughput with much less sweeps required than a VNA with a switch matrix for the same multiport device. For example, a 12-port device requires just 12 sweeps with a 12-port multiport M937XA vs. 132-sweeps with a 2-port VNA and a switch matrix. The true multiport VNA has no degradation in performance (i.e. dynamic range, trace noise, directivity, stability) due to external switches.

Multiple PXI VNA modules may be installed in one chassis and identified by the M937XA firmware as one VNA under a single PXI controller. One or more modules in the set must have Option 551 (N-Port Calibrated Measurements). The frequency of the multiport array is determined by the lowest frequency module configured in the array. In a multiport configuration, only one module must have a valid license for software capabilities (ie. Option 009 or 010) to function in multiport mode.

Increase Throughput with Multi-Site Capability

Unlike sequential measurements by a switch-based solution, the PXI VNA multi-site capability offers simultaneous measurements to improve overall throughput. Each PXI module or multiport array of modules is installed and identified under a single PXI controller. This makes it possible to run measurements of different devices at the same time or different measurement paths in a single component.

Multiple instances of the M937XA software are launched and each software instance is connected to either an individual M937XA, or a multiport array. Each instance behaves as an independent instrument to be used simultaneously. In addition, segment sweep enables you to optimize measurement conditions specifically for each device under test, so you can balance speed and accuracy. The PXI VNA multi-site capability gives you high throughput, so you can significantly lower the cost-of-test per device.

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