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2. List of free electronics circuit simulators - Wikipedia

   en.wikipedia.org/wiki/List_of_free_electronics...

   List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE.The following table is split into two groups based on whether it has a graphical visual interface or not.

3. Spectrum analyzer - Wikipedia

   en.wikipedia.org/wiki/Spectrum_analyzer

   A spectrum analyzer is also used to determine, by direct observation, the bandwidth of a digital or analog signal. A spectrum analyzer interface is a device that connects to a wireless receiver or a personal computer to allow visual detection and analysis of electromagnetic signals over a defined band of frequencies.

4. Electronic test equipment - Wikipedia

   en.wikipedia.org/wiki/Electronic_test_equipment

   Logic analyzer (Tests digital circuits) Spectrum analyzer (SA) (Measures spectral energy of signals) Protocol analyzer (Tests functionality, performance and conformance of protocols) Vector signal analyzer (VSA) (Like the SA but it can also perform many more useful digital demodulation functions) Time-domain reflectometer (Tests integrity of ...

5. Real-time analyzer - Wikipedia

   en.wikipedia.org/wiki/Real-time_analyzer

   A real-time analyzer (RTA) is a professional audio device that measures and displays the frequency spectrum of an audio signal; a spectrum analyzer that works in real time. An RTA can range from a small PDA -sized device to a rack-mounted hardware unit to software running on a laptop .

6. Signal analyzer - Wikipedia

   en.wikipedia.org/wiki/Signal_analyzer

   Signal analyzers can perform the operations of both spectrum analyzers and vector signal analyzers.A signal analyzer can be viewed as a measurement platform, with operations such as spectrum analysis (including phase noise, power, and distortion) and vector signal analysis (including demodulation or modulation quality analysis) performed as measurement applications.

7. Spectral analysis - Wikipedia

   en.wikipedia.org/wiki/Spectral_analysis

   Spectrum analyzer, a hardware device that measures the magnitude of an input signal versus frequency within the full frequency range of the instrument; Spectral theory, in mathematics, a theory that extends eigenvalues and eigenvectors to linear operators on Hilbert space, and more generally to the elements of a Banach algebra

8. Optical spectrometer - Wikipedia

   en.wikipedia.org/wiki/Optical_spectrometer

   In general, any particular instrument will operate over a small portion of this total range because of the different techniques used to measure different portions of the spectrum. Below optical frequencies (that is, at microwave and radio frequencies), the spectrum analyzer is a closely related electronic device. Spectrometers are used in many ...

9. Fuse (emulator) - Wikipedia

   en.wikipedia.org/wiki/Fuse_(emulator)

   The Free Unix Spectrum Emulator (Fuse) is an emulator of the 1980s ZX Spectrum home computer and its various clones for Unix, Windows and macOS. Fuse is free software , released under the GNU General Public License .