The primary use is to measure the power of the spectrum of known and unknown signals. The input signal that most common spectrum analyzers measure is electrical; however, spectral compositions of other signals, such as acoustic pressure waves and optical light waves, can be considered through the use of an appropriate transducer.

Mar 17, 2025 · A spectrum analyzer is an essential tool used in radio frequency (RF) engineering, telecommunications, audio analysis, and electronic testing to measure and visualize signals across a range of frequencies.

Get an introduction and learn the basic settings needed for making power versus frequency measurements using a spectrum analyzer.

What is a Spectrum Analyzer and why do you need one? A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals.

Learn how industry-leading spectrum analyzers solve tough problems in spectrum analysis and measurement. See the real performance of your devices.

Get the most out of your spectrum analyzer by pairing it with industry-leading signal recording and signal analysis application software from Tektronix. Get a comprehensive suite of tools to capture, isolate, and analyze hard-to-find transient RF signals of interest with confidence.

May 1, 2020 · What is a spectrum analyzer? Spectrum analyzers are used to measure and visualize the signal spectrum. A spectrum analyzer (at the most basic level) functions as a frequency-selective, peak-responding voltmeter calibrated to display the RMS (root-mean-square) value of a sine wave.

An optical spectrum analyzer (OSA) measures and displays the power distribution of an optical source over a specific wavelength range. An OSA trace displays power in the vertical scale and the wavelength in the horizontal scale. Advanced optical spectral analysis enables precise performance characterization across diverse sectors, including telecommunications, consumer …

Spectrum Analyzer is fundamentally a testing instrument that measures various parameters in a circuit or in a system at radio frequency range. A piece of normal testing equipment would measure the quantity based on its amplitude with respect to time.

The spectrum analyzer is an instrument, which is capable to display graphically, the “amplitude as a function of frequency” in a portion of the RF spectrum and covers a frequency range of 10 MHz to 40 GHz.