Keysight E4448A PSA Spectrum Analyzer, 3 Hz - 50 GHz

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The E4448A PSA Spectrum Analyzer, 3 Hz - 50 GHz measures and monitors complex RF, microwave, and millimeter-wave signals up to 50 GHz. With optional external mixing, the frequency coverage expands to 110 GHz with Keysight's external mixer, and to 325 GHz with other vendors' mixers.