アプリケーションノート 4622

High-Speed Op Amp Enables Infrared (IR) Proximity Sensing

筆者: Arpit Mehta

要約: This simple IR transceiver generates IR modulated at 10kHz, then amplifies the reflected signal with a single op amp (MAX4230), which is also configured as a 2nd-order bandpass filter to demodulate the 10kHz IR signal.