White Paper: Test & Measurement

How to Select an Analog Signal Generator


Today’s microwave and wireless communications market is expanding at an incredible rate. Along with this growth comes an increasing need for test equipment, such as an analog signal generator, that can help verify the performance of devices and systems.

One of the most important factors to determine up front is whether an analog or vector signal generator is the best for your application. The signal generator’s wide frequency range, high output power, and variety of modulations make it a flexible tool for a broad scope of applications.

Signal generators with a minimum frequency of 9 kHz permit applications in Electromagnetic Compatibility or EMC measurements. Frequency coverage up to 12.75 GHz covers ISM bands as well as all important mobile radio bands. Microwave signal generators may cover or support frequencies up to 20 GHz, 40 GHz and even 110 GHz.

This primer provides an overview of analog signal generators including their key specifications, modulation capabilities, and applications, thus providing helpful information in determining which analog signal generator is the best fit for your application. Throughout the document we’ll be referring to the R&S®SMA/SMB/SMF Signal Generators from Rohde & Schwarz to illustrate typical key specifications.

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