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Test & Measurement

High-resolution 4.2 GSa/s AWG bridges the trade-off between bandwidth and bits

Until now, engineers had to decide between the optimal bandwidth and optimal signal quality for their application. But many of today’s applications require high bandwidth and high-signal quality. For example, to ensure measurement reliability in aerospace and defense applications, high performance and good dynamic range is a must.

Transferring high-volume data requires digital modulation capabilities with a high dynamic range. With the 81180A arbitrary waveform generator, test engineers can achieve both: up to 1.5 GHz bandwidth and 12-bit vertical resolution.
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The instrument offers an external sample clock that replaces the internal sample clock for improved phase noise while an 8-bit external sequence/segment control enables a user’s application to control signal sequences in real time.

The advanced sequencing in the 81180A supports complex arbitrary waveforms. Three levels of sequencing, combined with 64M point’s memory, allow engineers to set up complex real-world signals. The dynamic control connector lets real-time applications control the waveform and allows external select sequences. In addition there are 2 differential markers available per channel with adjustable width and levels. Importantly, the markers do not reduce DAC resolution.

Different applications require different signal characteristics. Consequently, the 81180A arbitrary waveform generator is optimized for three different use cases:

• working in conjunction with Agilent’s Vector Performance Signal Generator for Inphase/Quadrature applications;
• maximum bandwidth and flatness for direct RF applications up to 1.5 GHz; and
• applications in the time domain with low overshoot and jitter with transition times of 600 ps.

Some key benefits of the 81180A include:

• versatile signal generation, including flatness, low overshoot and excellent signal performance, required to test today’s, and tomorrow’s, complex devices;
• high-bandwidth signal generation with very low harmonic distortion and unique flatness to ensure reliable measurements;
• integration with Agilent’s industry-leading Signal Studio, MathWorks’ Matlab® and National Instruments’ LabVIEW software, providing a whole solution approach and easy integration into the customer’s environment; and
• a function generator for efficient measurements.

For further information: www.agilent.com.

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