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A&D Test & Measurement
Efficient Design and Analysis of Airborne Radomes
The Rohde & Schwarz R&S FSW-K6 pulse measurement option for the R&S FSW series of high-performance signal and spectrum analyzers is an excellent choice for evaluating the performance of radar systems and all other applications that employ pulsed signals. When coupled with the MultiView capabilities of the R&S FSW series, multiple spectrum analyzer measurements can be run, viewed, and updated on a single screen giving the user a complete overview of system performance.
The R&S FSW-K6 option greatly simplifies all elements of pulse characterization. Utilizing the maximum available bandwidth of the R&S FSW signal and spectrum analyzer, all pertinent pulse parameters such as rise and fall time, droop, pulse width, duty cycle, settling time and pulse-to-pulse trending(changes in amplitude, frequency and phase from pulse to pulse) for example, can be easily measured and displayed. Other measurement features offered in the R&S FSW platform, such as spectrogram display showing pulse hopping sequences across the instrument bandwidth, can be easily activated in separate windows on the instrument’s 12.1-inch touchscreen, providing a complete overview for analysis.
In addition, the R&S FSW’s multichannel sequencer allows multiple measurement applications to be run virtually in parallel, eliminating the traditional, tedious step-by-step approach. This feature alone dramatically reduces measurement time during development and verification.
The R&S FSW comes in three models for the frequency ranges from 2 Hz to 8 GHz, 13.6 GHz and 26.5 GHz, and has an analysis bandwidth of 160 MHz, making it well suited for measuring very narrow pulses and present and future broadband systems such as emerging IEEE 802.11ac networks. The instrument features drag & drop functionality for the display of measurements, using the R&S SmartGrid. This makes it easy to arrange multiple views on the screen, allowing users to compare multiple, different results in a very effective way. The instrument offers extremely low phase noise of –137 dBc/Hz at 10 kHz offset from a 1 GHz carrier and an exceptional –173.5 dBm/Hz noise floor with noise correction, which increases dynamic range. As a result, wider resolution bandwidths can be used while maintaining high sensitivity. This allows spurious-emission and other low-noise measurements to be performed faster and more accurately.
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