Instruments extend spectrum analysis to 20 GHz

28 October 2009 Test & Measurement

Tektronix has expanded the RSA6000 series to include the RSA6120A spectrum analyser, which extends all of the capabilities of the RSA6000 series out to 20 GHz, allowing designers to apply the spectrum analyser’s capabilities throughout the entire Ku band.

With the RSA6000 series of spectrum analysers, Tektronix also introduced swept DPX which is proving useful to designers in their discovery of previously unseen signal anomalies. Now designers can take advantage of the capabilities of the RSA6000 series when developing and characterising radar and electronic warfare systems and components that operate in the X (8–12 GHz) and Ku (12–18 GHz) bands. In these applications, designers can use the RSA6120A to set up automated measurements that allow them to understand the behaviour of transmit waveforms, validate a transmitter’s design and debug problems in a radar receiver.

The RSA6120A also supports applications in spectrum management, particularly in intelligence, regulatory monitoring and defence applications. It extends the series’ signal discovery and triggering capabilities up to 20 GHz, allowing a clearer understanding of how digital signal processing interacts with RF signals of interest. This feature can be used to understand the level of interoperability between radio systems used by different divisions or agencies, for example.

The spectrum analyser provides high dynamic range at Ku-band frequencies, featuring a spurious-free dynamic range of 75 dB and a third order intercept of +19 dB above 6 GHz. It also features excellent channel flatness operation for all measurements, due to a switched-filter preselector. Flatness across 100 MHz, for instance, is specified at ±0,7 dB RMS and ±1,5° RMS. In addition, the RSA6120A provides radar designers with powerful signal analysis tools, including impulse response, and 26 other automated pulse parameter measurements, statistical measurement and waveform replay with acquisition history.

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