In microwave, radar, and satellite communications, and commercial microwave backhaul, you may be responsible not only for hardware installation and maintenance, but also over the-air signal quality. The Keysight N9938A spectrum analyzer is optimized to excel in a dynamic spectral environment. You may face measurement challenges such as the need to detect a low-level signal under strong signal conditions (requiring high dynamic range), or close-in small interference signals (requiring excellent phase noise). Superior dynamic range (TOI > +15 dBm), close in phase noise (-111 dBc/Hz at 10 kHz offset), and fast sweep time make these challenging tasks easier. The Keysight N9938A spectrum analyzer also provides a full power measurement suite and complete trace and state control. 

With the Keysight N9938A FieldFox’s InstAlign capability, internal amplitude alignments occur automatically as environmental conditions change, without any user intervention. This provides unprecedented amplitude accuracy of ± 0.5 dB for spectrum analysis and power measurements. The Keysight N9938A provides a spectrum analyzer IF output with 25 MHz bandwidth. This enables use as a frequency downconverter and digitize the signal using external test equipment like real time scope, or VSA to do deep signal analysis. FieldFox can connect to the 89600 VSA software (Keysight model number 89601B) via Ethernet to a Windows based PC or tablet.

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