Using Log Power Detector ICs

Engineers often find uses for integrated circuits other than the specific intended applications. This is especially true if the engineer works in a small com-pany with a limited budget, is outfitting a home labo-ratory on an even smaller budget, or perhaps is simply experimenting out of curiosity. An interesting family of ICs developed in recent years are logarithmic power detectors. These devices’ primary application is for power detectors in trans-mitting equipment or received signal strength indica-tion (RSSI) detectors in receiving equipment. Perhaps anticipating experimentation, some manufacturers’ applications data recognizes the wider range of poten- tial uses, giving examples of some less-common ways these devices might be applied.
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