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    door bell ic

    Abstract: active tone control circuit HT2823 655kHz circuit diagram of door BELL ht2823a
    Text: 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     		PDF HT2823 128-step HT2823 HT2823A. 440Hz, 660Hz 550Hz 440Hz HT2823A) door bell ic active tone control circuit 655kHz circuit diagram of door BELL ht2823a

    circuit diagram of door BELL

    Abstract: 430K2 door bell HT2823 Transistor Q 8050
    Text: 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     		PDF HT2823 128-step 440Hz HT2823 HT2823A HT2823Ais circuit diagram of door BELL 430K2 door bell Transistor Q 8050