Test & Measurement


More cost-effective network analyser models

5 May 2004 Test & Measurement

Agilent's new ENA-L and PNA-L vector network analysers deliver performance and features ideally suited for basic network analysis at significantly lower prices than its flagship ENA and PNA models, according to the company. These instruments were specifically designed for cost-conscious engineers working in production-line applications ranging from wireless communications to CATV, aerospace and defence.

Compared with Agilent's 871x and 872x instrument families, the company says they provide increased performance, a modern Windows interface, and more features to enhance productivity.

Basic RF network analysis

The ENA-L network analysers are designed to provide the basic capabilities needed for characterisation of active and passive components such as filters, amplifiers, antennas, cables, and CATV taps and distribution amplifiers. Two models are added to the ENA Series, covering 300 kHz to 1,5 GHz and 300 kHz to 3 GHz. The S-parameter test set options provide the most accurate measurements, while transmission/reflection test set options offer the lowest-cost solutions.

For use in the manufacturing environment, a benefit is that their sweep speed is nearly seven times faster, which translates into increased throughput. Also, they offer powerful productivity features that reduce total test time, including an intuitive user interface, limit-line testing for pass-fail evaluation, and simplified calibration with ECal.

High-speed measurements to 50 GHz

The PNA-L is Agilent's next generation of basic microwave/millimetre-wave network analysers and provides basic S-parameter measurement capability and frequency-offset capabilities for evaluating frequency conversion devices. These are lower-cost instruments available to cover 10 MHz to 20, 40 or 50 GHz. Compared to the 8720/8722 instruments, the PNA-L provides increased performance in nearly every area. For example, the PNA-L has frequency coverage to 50 GHz (versus 40 GHz), dynamic range at 20 GHz of 108 dB (compared to 100 dB), trace noise at 20 GHz of 0,006 dB (versus 0,03 dB), and measurement speed of less than 9 µs/point (compared to 200 µs/point).

Like the PNA Series, the PNA-L instruments are powered by the Windows operating system in an open environment, which lets users run any compatible software within the instrument, and allows the instruments to become part of an enterprise network. Their broad connectivity, COM/DCOM programming and extremely high measurement speed make them suited to high-volume manufacturing test.



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