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How to measure phasenoise using a spectrum analyzer

SIR Audio has released SpectrumAnalyzer, a new state-of-the-art spectrum analyzer VST / AUaudio plugin designed to create a comprehensive spectral profile.

Fusion Splicer

TheMotivatedType on Etsy

Mitsuo Katsui (I assume this has something to do with Japanese typography. However, it reminds me of the kind of designs you get on radio spectrum analyzers... which I've been trying to incorporate for years...)

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Arduino and the MSGEQ7 Spectrum Analyzer

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Adafruit has released a tutorial showing how to build a portable TFT screen based Raspberry Pi RTL-SDR spectrum analyzer that was inspired by the HackRF portapack. Construction of the project is very simple and the “FreqShow” python software is provided as a simple download that is ready to run once the RTL-SDR is installed on the Raspberry Pi. [...]

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Pioneer SPEC vintage SG-50 equalizer with spectrum analyzer in excellent shape! Photo #605176 - UK Audio Mart

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