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    circuit diagram of door BELL

    Abstract: 430K2 door bell HT2823 Transistor Q 8050
    Contextual Info: HT2823 Triple Tone Generator Features • • • • Single power supply: 2.4V ~5.1V Low stan dby current: l|_lA typically a t VDD=3V Single, dual or triple tone output 128-step D/A output Auto power off function System clock of 65.5kHz M inim al extern al components


    OCR Scan     		ht2823128-step440hzht2823a+5ht2823aiscircuit diagram of door bell430k2door belltransistor q 8050 PDF

    door bell ic

    Abstract: active tone control circuit HT2823 655kHz circuit diagram of door BELL ht2823a
    Contextual Info: HT2823 Triple Tone Generator Features • • • • • • • • • Single power supply: 2.4V~5.1V Low standby current: 1µA typically at VDD=3V Single, dual or triple tone output 128-step D/A output Auto power off function System clock of 65.5kHz


    Original     		ht2823128-stepht2823a440hz+6660hz550hzdoor bell icactive tone control circuit655khzcircuit diagram of door bell PDF