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Lecroy has launched the Arbstudio series of arbitrary waveform generators (AWGs), capable of generating signals up to 125MHz with a high sample rate, a long memory and a high resolution.

The AWGs also provide a variety of operating modes, modulation capabilities and a digital pattern generator.

The software interface that controls the hardware is designed to simplify waveform creation with a navigation tree, which facilitates access to all channels, along with special views for controlling basic function generator outputs as well as pulse-width-modulation (PWM) capabilities.

The ability to have two- and four-channel units in a single, compact form factor not only saves bench space but also provides a low price per channel.

The four-channel Arbstudio models have an expansion port that allows up to eight units to be connected, providing up to 32 synchronous analogue waveforms.

Four Arbstudio models are available, including two- and four-channel versions with analogue waveform capabilities plus two- and four-channel versions that offer a combination of analogue waveform and digital pattern generation capabilities.

All models have a bandwidth of 125MHz, a maximum sample rate of 1GS/s, a long memory of 2Mpts/ch and high 16-bit resolution.

The Arbstudio software runs on an external PC, freeing the user from the small displays and readouts found on a typical AWG.

A simple function generator window is available for basic waveform creation, while a streamlined control panel dedicated for PWM signals is also available.

The main software mode provides a start page that provides tutorials on creating a range of both simple and complex waveforms, as well as shortcuts to recent projects and a navigation tree to get started quickly.

Once waveform creation has begun, graphical displays show the waveforms that have been created or sequenced and the views can be customised to only show the windows that are of most interest to the user.

AWGs are typically available with one of two technologies – either True Arbitrary or Direct Digital Synthesis (DDS).

Each of these modes comes with advantages and disadvantageous.

Arbstudio, however, does not have this limitation; it provides both modes and allows the user to choose which mode is needed for their waveforms.

Arbstudio channels can be set to any mode independently of each other.

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