Putting the Magic Smoke Back into a Dodgy Spectrum Analyzer - The trouble with fixing electronics is that most devices are just black boxes — li... - https://hackaday.com/2023/09/12/putting-the-magic-smoke-back-into-a-dodgy-spectrum-analyzer/ #spectrumanalyzer #testequipment #repairhacks #noisefloor #toolhacks #diagnosis #frontend #pindiode #repair #rigol