The Agilent E4440A PSA high-performance spectrum analyzer measures and monitors complex RF and microwave signals up 3 Hz to 26.5 GHz. With optional external mixing, the frequency coverage can be expanded.

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Dynamic range ( -154 dBm DANL, + 17 dBm TOI, -116 dBc/ Hz phase noise at 10 kHz offset) . Accuracy ( ± 0.62 dB absolute amplitude accuracy, ± 0.38 dB frequency response, ± 0.07 dB log amplification linearity) .
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40 or 80 MHz analysis bandwidth to capture and measure complex signals.
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Flexible platform with 16 optional, easy-to-use built-in measurement personalities