White Paper: Test & Measurement

Spectrum Analyzer Fundamentals - Theory and Operation of Modern Spectrum Analyzers

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This primer examines the theory of state-of-the-art spectrum analysis and describes how modern spectrum analyzers are designed and how they work. That is followed by a brief characterization of today's signal generators, which are needed as a stimulus when performing amplifier measurements.

This primer is divided into eight chapters. Chapter 2 examines the theory of state-of-the-art spectrum analysis and describes how modern spectrum analyzers are designed and how they work. That discussion is followed in Chapter 3 by a brief characterization of today's signal generators, which are required as a stimulus when performing amplifier measurements. Chapter 4 concludes the theoretical part by showing how the effects on the spectrum that are caused by the nonlinearity of real devices under test are derived mathematically. Chapter 5 discusses measurements on signals with a high crest factor, and Chapter 6 explains phase noise measurements. Chapter 7 concludes the primer by looking into mixers and mixer measurements.

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