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September 2008 [Test & Measurement] Achieving Amplitude Accuracy In Modern Spectrum Analyzers Spectrum analyzers are among the most versatile of RF/microwave measurement tools, with signal power among the most common measurement made with the instruments. Traditionally, the combination of a power meter and power sensor has been the measurement tool of choice for its well-characterized traceability path back to reference standards at national standards laboratories. But modern spectrum analyzers have made dramatic improvements in amplitude... January 2007 [Test & Measurement] Avoid Large Amplitude Errors In Spectrum Analysis Modern spectrum analyzers have improved dramatically in recent years in terms of low-frequency analog precision and a tremendous boost from digital-signal-processing (DSP) components, especially in the front-end intermediate-frequency (IF) filters. While spectrum analyzers can provide even better accuracy at RF, their accuracy at microwave frequencies has not generally been improving. Because of the demanding applications for modern spectrum analyzers, including analysis of signals... |
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