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Signal generator enhancements now improving verification and measurement

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article image X-Series vector signal generators

Agilent Technologies  introduces its high-performance MXG and cost-effective EXG X-Series vector signal generators with several key enhancements.

Designed to improve measurement accuracy, accelerate research and development, and provide in-depth signal simulation for comprehensive receiver verification, these enhancements, coupled with the unmatched performance of Agilent's X-Series signal generators make the systems ideal for component and receiver development in RADAR, military communications and consumer wireless applications.

Improved Measurement Accuracy

Users of the enhanced MXG and EXG X-Series RF vector signal generators can apply channel corrections directly to their fixtures and devices under test. A proprietary ASIC works with an Agilent USB power sensor to enable automatic amplitude and phase flatness corrections or equalization, making it ideal for engineers working on WLAN 802.11ac or LTE-Advanced transceivers and components.

Accelerated R&D Verification

Two new X-Series connectivity options enable realistic complex-modulated direct digital stimulus (output mode) and digital upconversion (input mode) using an N5102A digital signal interface module. This DSIM enhancement allows users to employ realistic complex IQ waveforms, which in turn enables faster verification of FPGA algorithms or digital-to-RF performance. It also helps minimise redesign by catching baseband subsystem problems earlier in the design cycle.

A power servo enhancement speeds verification by allowing automatic levelling for external RF amplifiers. The power servo enhancement enables users to quickly ensure they are at the exact power required for making power-sensitive measurements such as error vector magnitude and adjacent channel power ratio.

Comprehensive Receiver Verification

In-depth signal simulation solutions provided by Agilent X-Series signal generators now enable comprehensive receiver verification. Agilent's new N7620B Signal Studio software for pulse-building connectivity, for example, features robust RADAR verification tests designed to minimise field testing and offer highly accurate characterization.

Users can leverage the X-Series' advanced sequencing engine to obtain realistic 500-second RADAR antenna scan patterns, and also reproduce highly accurate FM CHIRP RADAR signals by leveraging the X-Series' factory channel correction for up to +/- 0.2 dB amplitude flatness and +/- 2 degrees phase error across the full bandwidth support on both the MXG and EXG.

Agilent's N7609B Signal Studio for GNSS software features an advanced Beidou real-time mode that allows users to perform real-time, multi-satellite simulation for China's Beidou system. Leveraging the X-Series' advanced real-time baseband subsystem, users can simultaneously simulate a combination of 40 channels of satellites plus multipath for GPS, GLONASS and Beidou, with 16 additional channels for Galileo satellites plus multipath.

With the system's ability to model receiver trajectories and map antenna strength, users can also conduct more robust testing of multi-constellation chipsets for improved quality of service and performance.

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